diff --git a/docs/articles/tutorial/feature_selection.html b/docs/articles/tutorial/feature_selection.html
index 27bc2202a8..484de1ec6f 100644
--- a/docs/articles/tutorial/feature_selection.html
+++ b/docs/articles/tutorial/feature_selection.html
@@ -344,7 +344,7 @@ <h2 class="hasAnchor">
 <a class="sourceLine" id="cb2-11" data-line-number="11">## 7 Petal.Length numeric          FSelector_chi.squared 0.9346311</a>
 <a class="sourceLine" id="cb2-12" data-line-number="12">## 8  Petal.Width numeric          FSelector_chi.squared 0.9432359</a></code></pre></div>
 <p>A bar plot of importance values for the individual features can be obtained using function <code><a href="../../reference/plotFilterValues.html">plotFilterValues()</a></code>.</p>
-<div class="sourceCode" id="cb3"><pre class="sourceCode r"><code class="sourceCode r"><a class="sourceLine" id="cb3-1" data-line-number="1"><span class="kw"><a href="../../reference/plotFilterValues.html">plotFilterValues</a></span>(fv2) <span class="op">+</span><span class="st"> </span>ggpubr<span class="op">::</span><span class="kw"><a href="https://www.rdocumentation.org/packages/ggpubr/topics/theme_pubr">theme_pubr</a></span>()</a></code></pre></div>
+<div class="sourceCode" id="cb3"><pre class="sourceCode r"><code class="sourceCode r"><a class="sourceLine" id="cb3-1" data-line-number="1"><span class="kw"><a href="../../reference/plotFilterValues.html">plotFilterValues</a></span>(fv2) <span class="op">+</span><span class="st"> </span>ggpubr<span class="op">::</span><span class="kw"><a href="https://rpkgs.datanovia.com/ggpubr/reference/theme_pubr.html">theme_pubr</a></span>()</a></code></pre></div>
 <p><img src="feature_selection_files/figure-html/unnamed-chunk-4-1.png" width="960"></p>
 <p>By default <code><a href="../../reference/plotFilterValues.html">plotFilterValues()</a></code> will create facetted subplots if multiple filter methods are passed as input to <code><a href="../../reference/generateFilterValuesData.html">generateFilterValuesData()</a></code>.</p>
 <p>According to the <code>"information.gain"</code> measure, <code>Petal.Width</code> and <code>Petal.Length</code> contain the most information about the target variable <code>Species</code>.</p>
diff --git a/docs/news/index.html b/docs/news/index.html
index fd37a21aa0..602d17f46a 100644
--- a/docs/news/index.html
+++ b/docs/news/index.html
@@ -385,8 +385,6 @@ <h2 class="hasAnchor">
 <ul>
 <li>Filter <code>praznik_mrmr</code> also supports <code>regr</code> and <code>surv</code> tasks</li>
 <li>
-<code>getFilterValuesData()</code> now returns a <code>tbl</code> instead of a <code>data.frame</code>. (<a href='https://github.com/pat-s'>@pat-s</a>, <a href='https://github.com/mlr-org/mlr/issues/2456'>#2456</a>)</li>
-<li>
 <code><a href="../reference/plotFilterValues.html">plotFilterValues()</a></code> got a bit “smarter” and easier now regarding the ordering of multiple facets. (<a href='https://github.com/pat-s'>@pat-s</a>, <a href='https://github.com/mlr-org/mlr/issues/2456'>#2456</a>)</li>
 <li>
 <code><a href="../reference/filterFeatures.html">filterFeatures()</a></code>, <code><a href="../reference/generateFilterValuesData.html">generateFilterValuesData()</a></code> and <code><a href="../reference/makeFilterWrapper.html">makeFilterWrapper()</a></code> gained new examples. (<a href='https://github.com/pat-s'>@pat-s</a>, <a href='https://github.com/mlr-org/mlr/issues/2456'>#2456</a>)</li>
diff --git a/docs/reference/capLargeValues.html b/docs/reference/capLargeValues.html
index aefe4240cb..ad5fa90e25 100644
--- a/docs/reference/capLargeValues.html
+++ b/docs/reference/capLargeValues.html
@@ -370,7 +370,8 @@ <h2 class="hasAnchor" id="see-also"><a class="anchor" href="#see-also"></a>See a
   <code><a href='mergeSmallFactorLevels.html'>mergeSmallFactorLevels</a></code>,
   <code><a href='normalizeFeatures.html'>normalizeFeatures</a></code>,
   <code><a href='removeConstantFeatures.html'>removeConstantFeatures</a></code>,
-  <code><a href='summarizeColumns.html'>summarizeColumns</a></code></p></div>
+  <code><a href='summarizeColumns.html'>summarizeColumns</a></code>,
+  <code><a href='summarizeLevels.html'>summarizeLevels</a></code></p></div>
     
 
     <h2 class="hasAnchor" id="examples"><a class="anchor" href="#examples"></a>Examples</h2>
diff --git a/docs/reference/createDummyFeatures.html b/docs/reference/createDummyFeatures.html
index d6443892bd..af47d84ffb 100644
--- a/docs/reference/createDummyFeatures.html
+++ b/docs/reference/createDummyFeatures.html
@@ -356,7 +356,8 @@ <h2 class="hasAnchor" id="see-also"><a class="anchor" href="#see-also"></a>See a
   <code><a href='mergeSmallFactorLevels.html'>mergeSmallFactorLevels</a></code>,
   <code><a href='normalizeFeatures.html'>normalizeFeatures</a></code>,
   <code><a href='removeConstantFeatures.html'>removeConstantFeatures</a></code>,
-  <code><a href='summarizeColumns.html'>summarizeColumns</a></code></p></div>
+  <code><a href='summarizeColumns.html'>summarizeColumns</a></code>,
+  <code><a href='summarizeLevels.html'>summarizeLevels</a></code></p></div>
     
 
   </div>
diff --git a/docs/reference/dropFeatures.html b/docs/reference/dropFeatures.html
index 5146e8a057..d449260f8f 100644
--- a/docs/reference/dropFeatures.html
+++ b/docs/reference/dropFeatures.html
@@ -334,7 +334,8 @@ <h2 class="hasAnchor" id="see-also"><a class="anchor" href="#see-also"></a>See a
   <code><a href='mergeSmallFactorLevels.html'>mergeSmallFactorLevels</a></code>,
   <code><a href='normalizeFeatures.html'>normalizeFeatures</a></code>,
   <code><a href='removeConstantFeatures.html'>removeConstantFeatures</a></code>,
-  <code><a href='summarizeColumns.html'>summarizeColumns</a></code></p></div>
+  <code><a href='summarizeColumns.html'>summarizeColumns</a></code>,
+  <code><a href='summarizeLevels.html'>summarizeLevels</a></code></p></div>
     
 
   </div>
diff --git a/docs/reference/makeBaggingWrapper.html b/docs/reference/makeBaggingWrapper.html
index 4b239e3b22..abf9ca969f 100644
--- a/docs/reference/makeBaggingWrapper.html
+++ b/docs/reference/makeBaggingWrapper.html
@@ -395,6 +395,7 @@ <h2 class="hasAnchor" id="see-also"><a class="anchor" href="#see-also"></a>See a
   <code><a href='makeDummyFeaturesWrapper.html'>makeDummyFeaturesWrapper</a></code>,
   <code><a href='makeExtractFDAFeatsWrapper.html'>makeExtractFDAFeatsWrapper</a></code>,
   <code><a href='makeFeatSelWrapper.html'>makeFeatSelWrapper</a></code>,
+  <code><a href='makeFilterWrapper.html'>makeFilterWrapper</a></code>,
   <code><a href='makeImputeWrapper.html'>makeImputeWrapper</a></code>,
   <code><a href='makeMulticlassWrapper.html'>makeMulticlassWrapper</a></code>,
   <code><a href='makeMultilabelBinaryRelevanceWrapper.html'>makeMultilabelBinaryRelevanceWrapper</a></code>,
diff --git a/docs/reference/makeClassificationViaRegressionWrapper.html b/docs/reference/makeClassificationViaRegressionWrapper.html
index 9fc9d27d24..016bac3507 100644
--- a/docs/reference/makeClassificationViaRegressionWrapper.html
+++ b/docs/reference/makeClassificationViaRegressionWrapper.html
@@ -343,6 +343,7 @@ <h2 class="hasAnchor" id="see-also"><a class="anchor" href="#see-also"></a>See a
   <code><a href='makeDummyFeaturesWrapper.html'>makeDummyFeaturesWrapper</a></code>,
   <code><a href='makeExtractFDAFeatsWrapper.html'>makeExtractFDAFeatsWrapper</a></code>,
   <code><a href='makeFeatSelWrapper.html'>makeFeatSelWrapper</a></code>,
+  <code><a href='makeFilterWrapper.html'>makeFilterWrapper</a></code>,
   <code><a href='makeImputeWrapper.html'>makeImputeWrapper</a></code>,
   <code><a href='makeMulticlassWrapper.html'>makeMulticlassWrapper</a></code>,
   <code><a href='makeMultilabelBinaryRelevanceWrapper.html'>makeMultilabelBinaryRelevanceWrapper</a></code>,
diff --git a/docs/reference/makeConstantClassWrapper.html b/docs/reference/makeConstantClassWrapper.html
index 720bd882ab..9894093f0a 100644
--- a/docs/reference/makeConstantClassWrapper.html
+++ b/docs/reference/makeConstantClassWrapper.html
@@ -340,6 +340,7 @@ <h2 class="hasAnchor" id="see-also"><a class="anchor" href="#see-also"></a>See a
   <code><a href='makeDummyFeaturesWrapper.html'>makeDummyFeaturesWrapper</a></code>,
   <code><a href='makeExtractFDAFeatsWrapper.html'>makeExtractFDAFeatsWrapper</a></code>,
   <code><a href='makeFeatSelWrapper.html'>makeFeatSelWrapper</a></code>,
+  <code><a href='makeFilterWrapper.html'>makeFilterWrapper</a></code>,
   <code><a href='makeImputeWrapper.html'>makeImputeWrapper</a></code>,
   <code><a href='makeMulticlassWrapper.html'>makeMulticlassWrapper</a></code>,
   <code><a href='makeMultilabelBinaryRelevanceWrapper.html'>makeMultilabelBinaryRelevanceWrapper</a></code>,
diff --git a/docs/reference/makeCostSensClassifWrapper.html b/docs/reference/makeCostSensClassifWrapper.html
index cfac2fa514..56826f0288 100644
--- a/docs/reference/makeCostSensClassifWrapper.html
+++ b/docs/reference/makeCostSensClassifWrapper.html
@@ -348,6 +348,7 @@ <h2 class="hasAnchor" id="see-also"><a class="anchor" href="#see-also"></a>See a
   <code><a href='makeDummyFeaturesWrapper.html'>makeDummyFeaturesWrapper</a></code>,
   <code><a href='makeExtractFDAFeatsWrapper.html'>makeExtractFDAFeatsWrapper</a></code>,
   <code><a href='makeFeatSelWrapper.html'>makeFeatSelWrapper</a></code>,
+  <code><a href='makeFilterWrapper.html'>makeFilterWrapper</a></code>,
   <code><a href='makeImputeWrapper.html'>makeImputeWrapper</a></code>,
   <code><a href='makeMulticlassWrapper.html'>makeMulticlassWrapper</a></code>,
   <code><a href='makeMultilabelBinaryRelevanceWrapper.html'>makeMultilabelBinaryRelevanceWrapper</a></code>,
diff --git a/docs/reference/makeCostSensRegrWrapper.html b/docs/reference/makeCostSensRegrWrapper.html
index 0ecd6b0a94..8bba359886 100644
--- a/docs/reference/makeCostSensRegrWrapper.html
+++ b/docs/reference/makeCostSensRegrWrapper.html
@@ -342,6 +342,7 @@ <h2 class="hasAnchor" id="see-also"><a class="anchor" href="#see-also"></a>See a
   <code><a href='makeDummyFeaturesWrapper.html'>makeDummyFeaturesWrapper</a></code>,
   <code><a href='makeExtractFDAFeatsWrapper.html'>makeExtractFDAFeatsWrapper</a></code>,
   <code><a href='makeFeatSelWrapper.html'>makeFeatSelWrapper</a></code>,
+  <code><a href='makeFilterWrapper.html'>makeFilterWrapper</a></code>,
   <code><a href='makeImputeWrapper.html'>makeImputeWrapper</a></code>,
   <code><a href='makeMulticlassWrapper.html'>makeMulticlassWrapper</a></code>,
   <code><a href='makeMultilabelBinaryRelevanceWrapper.html'>makeMultilabelBinaryRelevanceWrapper</a></code>,
diff --git a/docs/reference/makeDownsampleWrapper.html b/docs/reference/makeDownsampleWrapper.html
index 6ee5287432..16d191836e 100644
--- a/docs/reference/makeDownsampleWrapper.html
+++ b/docs/reference/makeDownsampleWrapper.html
@@ -350,6 +350,7 @@ <h2 class="hasAnchor" id="see-also"><a class="anchor" href="#see-also"></a>See a
   <code><a href='makeDummyFeaturesWrapper.html'>makeDummyFeaturesWrapper</a></code>,
   <code><a href='makeExtractFDAFeatsWrapper.html'>makeExtractFDAFeatsWrapper</a></code>,
   <code><a href='makeFeatSelWrapper.html'>makeFeatSelWrapper</a></code>,
+  <code><a href='makeFilterWrapper.html'>makeFilterWrapper</a></code>,
   <code><a href='makeImputeWrapper.html'>makeImputeWrapper</a></code>,
   <code><a href='makeMulticlassWrapper.html'>makeMulticlassWrapper</a></code>,
   <code><a href='makeMultilabelBinaryRelevanceWrapper.html'>makeMultilabelBinaryRelevanceWrapper</a></code>,
diff --git a/docs/reference/makeDummyFeaturesWrapper.html b/docs/reference/makeDummyFeaturesWrapper.html
index 3d295821eb..9723798ab1 100644
--- a/docs/reference/makeDummyFeaturesWrapper.html
+++ b/docs/reference/makeDummyFeaturesWrapper.html
@@ -348,6 +348,7 @@ <h2 class="hasAnchor" id="see-also"><a class="anchor" href="#see-also"></a>See a
   <code><a href='makeDownsampleWrapper.html'>makeDownsampleWrapper</a></code>,
   <code><a href='makeExtractFDAFeatsWrapper.html'>makeExtractFDAFeatsWrapper</a></code>,
   <code><a href='makeFeatSelWrapper.html'>makeFeatSelWrapper</a></code>,
+  <code><a href='makeFilterWrapper.html'>makeFilterWrapper</a></code>,
   <code><a href='makeImputeWrapper.html'>makeImputeWrapper</a></code>,
   <code><a href='makeMulticlassWrapper.html'>makeMulticlassWrapper</a></code>,
   <code><a href='makeMultilabelBinaryRelevanceWrapper.html'>makeMultilabelBinaryRelevanceWrapper</a></code>,
diff --git a/docs/reference/makeExtractFDAFeatsWrapper.html b/docs/reference/makeExtractFDAFeatsWrapper.html
index 48b59ea3df..c52205f8a5 100644
--- a/docs/reference/makeExtractFDAFeatsWrapper.html
+++ b/docs/reference/makeExtractFDAFeatsWrapper.html
@@ -351,6 +351,7 @@ <h2 class="hasAnchor" id="see-also"><a class="anchor" href="#see-also"></a>See a
   <code><a href='makeDownsampleWrapper.html'>makeDownsampleWrapper</a></code>,
   <code><a href='makeDummyFeaturesWrapper.html'>makeDummyFeaturesWrapper</a></code>,
   <code><a href='makeFeatSelWrapper.html'>makeFeatSelWrapper</a></code>,
+  <code><a href='makeFilterWrapper.html'>makeFilterWrapper</a></code>,
   <code><a href='makeImputeWrapper.html'>makeImputeWrapper</a></code>,
   <code><a href='makeMulticlassWrapper.html'>makeMulticlassWrapper</a></code>,
   <code><a href='makeMultilabelBinaryRelevanceWrapper.html'>makeMultilabelBinaryRelevanceWrapper</a></code>,
diff --git a/docs/reference/makeFeatSelWrapper.html b/docs/reference/makeFeatSelWrapper.html
index 17f2cb3a35..a0745516cb 100644
--- a/docs/reference/makeFeatSelWrapper.html
+++ b/docs/reference/makeFeatSelWrapper.html
@@ -394,6 +394,7 @@ <h2 class="hasAnchor" id="see-also"><a class="anchor" href="#see-also"></a>See a
   <code><a href='makeDownsampleWrapper.html'>makeDownsampleWrapper</a></code>,
   <code><a href='makeDummyFeaturesWrapper.html'>makeDummyFeaturesWrapper</a></code>,
   <code><a href='makeExtractFDAFeatsWrapper.html'>makeExtractFDAFeatsWrapper</a></code>,
+  <code><a href='makeFilterWrapper.html'>makeFilterWrapper</a></code>,
   <code><a href='makeImputeWrapper.html'>makeImputeWrapper</a></code>,
   <code><a href='makeMulticlassWrapper.html'>makeMulticlassWrapper</a></code>,
   <code><a href='makeMultilabelBinaryRelevanceWrapper.html'>makeMultilabelBinaryRelevanceWrapper</a></code>,
diff --git a/docs/reference/makeFilterWrapper.html b/docs/reference/makeFilterWrapper.html
index 567bdef4be..c3ab2b8f34 100644
--- a/docs/reference/makeFilterWrapper.html
+++ b/docs/reference/makeFilterWrapper.html
@@ -32,11 +32,7 @@
 
 <meta property="og:description" content="Fuses a base learner with a filter method. Creates a learner
 object, which can be used like any other learner object. Internally uses
-filterFeatures before every model fit.
-After training, the selected features can be retrieved with
-getFilteredFeatures.
-Note that observation weights do not influence the filtering and are simply
-passed down to the next learner." />
+filterFeatures before every model fit." />
 <meta name="twitter:card" content="summary" />
 
 
@@ -312,10 +308,6 @@ <h1>Fuse learner with a feature filter method.</h1>
     <p>Fuses a base learner with a filter method. Creates a learner
 object, which can be used like any other learner object. Internally uses
 <a href='filterFeatures.html'>filterFeatures</a> before every model fit.</p>
-<p>After training, the selected features can be retrieved with
-<a href='getFilteredFeatures.html'>getFilteredFeatures</a>.</p>
-<p>Note that observation weights do not influence the filtering and are simply
-passed down to the next learner.</p>
     
 
     <pre class="usage"><span class='fu'>makeFilterWrapper</span>(<span class='no'>learner</span>, <span class='kw'>fw.method</span> <span class='kw'>=</span> <span class='st'>"randomForestSRC_importance"</span>,
@@ -380,6 +372,15 @@ <h2 class="hasAnchor" id="value"><a class="anchor" href="#value"></a>Value</h2>
 
     <p><a href='makeLearner.html'>Learner</a>.</p>
     
+    <h2 class="hasAnchor" id="details"><a class="anchor" href="#details"></a>Details</h2>
+
+    <p>If <code>ensemble = TRUE</code>, ensemble feature selection using all methods specified
+in <code>fw.method</code> is performed. At least two methods need to be selected.</p>
+<p>After training, the selected features can be retrieved with
+<a href='getFilteredFeatures.html'>getFilteredFeatures</a>.</p>
+<p>Note that observation weights do not influence the filtering and are simply
+passed down to the next learner.</p>
+    
     <h2 class="hasAnchor" id="caching"><a class="anchor" href="#caching"></a>Caching</h2>
 
     <p>If <code>cache = TRUE</code>, the default mlr cache directory is used
@@ -398,7 +399,31 @@ <h2 class="hasAnchor" id="see-also"><a class="anchor" href="#see-also"></a>See a
   <code><a href='listFilterEnsembleMethods.html'>listFilterEnsembleMethods</a></code>,
   <code><a href='listFilterMethods.html'>listFilterMethods</a></code>,
   <code><a href='makeFilterEnsemble.html'>makeFilterEnsemble</a></code>,
-  <code><a href='makeFilter.html'>makeFilter</a></code>, <code><a href='plotFilterValues.html'>plotFilterValues</a></code></p></div>
+  <code><a href='makeFilter.html'>makeFilter</a></code>, <code><a href='plotFilterValues.html'>plotFilterValues</a></code></p>
+<p>Other wrapper: <code><a href='makeBaggingWrapper.html'>makeBaggingWrapper</a></code>,
+  <code><a href='makeClassificationViaRegressionWrapper.html'>makeClassificationViaRegressionWrapper</a></code>,
+  <code><a href='makeConstantClassWrapper.html'>makeConstantClassWrapper</a></code>,
+  <code><a href='makeCostSensClassifWrapper.html'>makeCostSensClassifWrapper</a></code>,
+  <code><a href='makeCostSensRegrWrapper.html'>makeCostSensRegrWrapper</a></code>,
+  <code><a href='makeDownsampleWrapper.html'>makeDownsampleWrapper</a></code>,
+  <code><a href='makeDummyFeaturesWrapper.html'>makeDummyFeaturesWrapper</a></code>,
+  <code><a href='makeExtractFDAFeatsWrapper.html'>makeExtractFDAFeatsWrapper</a></code>,
+  <code><a href='makeFeatSelWrapper.html'>makeFeatSelWrapper</a></code>,
+  <code><a href='makeImputeWrapper.html'>makeImputeWrapper</a></code>,
+  <code><a href='makeMulticlassWrapper.html'>makeMulticlassWrapper</a></code>,
+  <code><a href='makeMultilabelBinaryRelevanceWrapper.html'>makeMultilabelBinaryRelevanceWrapper</a></code>,
+  <code><a href='makeMultilabelClassifierChainsWrapper.html'>makeMultilabelClassifierChainsWrapper</a></code>,
+  <code><a href='makeMultilabelDBRWrapper.html'>makeMultilabelDBRWrapper</a></code>,
+  <code><a href='makeMultilabelNestedStackingWrapper.html'>makeMultilabelNestedStackingWrapper</a></code>,
+  <code><a href='makeMultilabelStackingWrapper.html'>makeMultilabelStackingWrapper</a></code>,
+  <code><a href='makeOverBaggingWrapper.html'>makeOverBaggingWrapper</a></code>,
+  <code><a href='makePreprocWrapperCaret.html'>makePreprocWrapperCaret</a></code>,
+  <code><a href='makePreprocWrapper.html'>makePreprocWrapper</a></code>,
+  <code><a href='makeRemoveConstantFeaturesWrapper.html'>makeRemoveConstantFeaturesWrapper</a></code>,
+  <code><a href='makeSMOTEWrapper.html'>makeSMOTEWrapper</a></code>,
+  <code><a href='makeTuneWrapper.html'>makeTuneWrapper</a></code>,
+  <code><a href='makeUndersampleWrapper.html'>makeUndersampleWrapper</a></code>,
+  <code><a href='makeWeightedClassesWrapper.html'>makeWeightedClassesWrapper</a></code></p></div>
     
 
     <h2 class="hasAnchor" id="examples"><a class="anchor" href="#examples"></a>Examples</h2>
@@ -437,6 +462,8 @@ <h2>Contents</h2>
       
       <li><a href="#value">Value</a></li>
 
+      <li><a href="#details">Details</a></li>
+
       <li><a href="#caching">Caching</a></li>
 
       <li><a href="#see-also">See also</a></li>
diff --git a/docs/reference/makeImputeWrapper.html b/docs/reference/makeImputeWrapper.html
index ce4cdcbca3..378ad37490 100644
--- a/docs/reference/makeImputeWrapper.html
+++ b/docs/reference/makeImputeWrapper.html
@@ -402,6 +402,7 @@ <h2 class="hasAnchor" id="see-also"><a class="anchor" href="#see-also"></a>See a
   <code><a href='makeDummyFeaturesWrapper.html'>makeDummyFeaturesWrapper</a></code>,
   <code><a href='makeExtractFDAFeatsWrapper.html'>makeExtractFDAFeatsWrapper</a></code>,
   <code><a href='makeFeatSelWrapper.html'>makeFeatSelWrapper</a></code>,
+  <code><a href='makeFilterWrapper.html'>makeFilterWrapper</a></code>,
   <code><a href='makeMulticlassWrapper.html'>makeMulticlassWrapper</a></code>,
   <code><a href='makeMultilabelBinaryRelevanceWrapper.html'>makeMultilabelBinaryRelevanceWrapper</a></code>,
   <code><a href='makeMultilabelClassifierChainsWrapper.html'>makeMultilabelClassifierChainsWrapper</a></code>,
diff --git a/docs/reference/makeMulticlassWrapper.html b/docs/reference/makeMulticlassWrapper.html
index 693da7e489..b6e2c28d1c 100644
--- a/docs/reference/makeMulticlassWrapper.html
+++ b/docs/reference/makeMulticlassWrapper.html
@@ -368,6 +368,7 @@ <h2 class="hasAnchor" id="see-also"><a class="anchor" href="#see-also"></a>See a
   <code><a href='makeDummyFeaturesWrapper.html'>makeDummyFeaturesWrapper</a></code>,
   <code><a href='makeExtractFDAFeatsWrapper.html'>makeExtractFDAFeatsWrapper</a></code>,
   <code><a href='makeFeatSelWrapper.html'>makeFeatSelWrapper</a></code>,
+  <code><a href='makeFilterWrapper.html'>makeFilterWrapper</a></code>,
   <code><a href='makeImputeWrapper.html'>makeImputeWrapper</a></code>,
   <code><a href='makeMultilabelBinaryRelevanceWrapper.html'>makeMultilabelBinaryRelevanceWrapper</a></code>,
   <code><a href='makeMultilabelClassifierChainsWrapper.html'>makeMultilabelClassifierChainsWrapper</a></code>,
diff --git a/docs/reference/makeMultilabelBinaryRelevanceWrapper.html b/docs/reference/makeMultilabelBinaryRelevanceWrapper.html
index d8dedd1ca6..166fad3bf6 100644
--- a/docs/reference/makeMultilabelBinaryRelevanceWrapper.html
+++ b/docs/reference/makeMultilabelBinaryRelevanceWrapper.html
@@ -360,6 +360,7 @@ <h2 class="hasAnchor" id="see-also"><a class="anchor" href="#see-also"></a>See a
   <code><a href='makeDummyFeaturesWrapper.html'>makeDummyFeaturesWrapper</a></code>,
   <code><a href='makeExtractFDAFeatsWrapper.html'>makeExtractFDAFeatsWrapper</a></code>,
   <code><a href='makeFeatSelWrapper.html'>makeFeatSelWrapper</a></code>,
+  <code><a href='makeFilterWrapper.html'>makeFilterWrapper</a></code>,
   <code><a href='makeImputeWrapper.html'>makeImputeWrapper</a></code>,
   <code><a href='makeMulticlassWrapper.html'>makeMulticlassWrapper</a></code>,
   <code><a href='makeMultilabelClassifierChainsWrapper.html'>makeMultilabelClassifierChainsWrapper</a></code>,
diff --git a/docs/reference/makeMultilabelClassifierChainsWrapper.html b/docs/reference/makeMultilabelClassifierChainsWrapper.html
index a7aa5646d6..c6bcc0698f 100644
--- a/docs/reference/makeMultilabelClassifierChainsWrapper.html
+++ b/docs/reference/makeMultilabelClassifierChainsWrapper.html
@@ -359,6 +359,7 @@ <h2 class="hasAnchor" id="see-also"><a class="anchor" href="#see-also"></a>See a
   <code><a href='makeDummyFeaturesWrapper.html'>makeDummyFeaturesWrapper</a></code>,
   <code><a href='makeExtractFDAFeatsWrapper.html'>makeExtractFDAFeatsWrapper</a></code>,
   <code><a href='makeFeatSelWrapper.html'>makeFeatSelWrapper</a></code>,
+  <code><a href='makeFilterWrapper.html'>makeFilterWrapper</a></code>,
   <code><a href='makeImputeWrapper.html'>makeImputeWrapper</a></code>,
   <code><a href='makeMulticlassWrapper.html'>makeMulticlassWrapper</a></code>,
   <code><a href='makeMultilabelBinaryRelevanceWrapper.html'>makeMultilabelBinaryRelevanceWrapper</a></code>,
diff --git a/docs/reference/makeMultilabelDBRWrapper.html b/docs/reference/makeMultilabelDBRWrapper.html
index ff6f8137da..c1942013fe 100644
--- a/docs/reference/makeMultilabelDBRWrapper.html
+++ b/docs/reference/makeMultilabelDBRWrapper.html
@@ -352,6 +352,7 @@ <h2 class="hasAnchor" id="see-also"><a class="anchor" href="#see-also"></a>See a
   <code><a href='makeDummyFeaturesWrapper.html'>makeDummyFeaturesWrapper</a></code>,
   <code><a href='makeExtractFDAFeatsWrapper.html'>makeExtractFDAFeatsWrapper</a></code>,
   <code><a href='makeFeatSelWrapper.html'>makeFeatSelWrapper</a></code>,
+  <code><a href='makeFilterWrapper.html'>makeFilterWrapper</a></code>,
   <code><a href='makeImputeWrapper.html'>makeImputeWrapper</a></code>,
   <code><a href='makeMulticlassWrapper.html'>makeMulticlassWrapper</a></code>,
   <code><a href='makeMultilabelBinaryRelevanceWrapper.html'>makeMultilabelBinaryRelevanceWrapper</a></code>,
diff --git a/docs/reference/makeMultilabelNestedStackingWrapper.html b/docs/reference/makeMultilabelNestedStackingWrapper.html
index 32003c29b6..7b82aef1c9 100644
--- a/docs/reference/makeMultilabelNestedStackingWrapper.html
+++ b/docs/reference/makeMultilabelNestedStackingWrapper.html
@@ -367,6 +367,7 @@ <h2 class="hasAnchor" id="see-also"><a class="anchor" href="#see-also"></a>See a
   <code><a href='makeDummyFeaturesWrapper.html'>makeDummyFeaturesWrapper</a></code>,
   <code><a href='makeExtractFDAFeatsWrapper.html'>makeExtractFDAFeatsWrapper</a></code>,
   <code><a href='makeFeatSelWrapper.html'>makeFeatSelWrapper</a></code>,
+  <code><a href='makeFilterWrapper.html'>makeFilterWrapper</a></code>,
   <code><a href='makeImputeWrapper.html'>makeImputeWrapper</a></code>,
   <code><a href='makeMulticlassWrapper.html'>makeMulticlassWrapper</a></code>,
   <code><a href='makeMultilabelBinaryRelevanceWrapper.html'>makeMultilabelBinaryRelevanceWrapper</a></code>,
diff --git a/docs/reference/makeMultilabelStackingWrapper.html b/docs/reference/makeMultilabelStackingWrapper.html
index 3e3584334a..91363051c5 100644
--- a/docs/reference/makeMultilabelStackingWrapper.html
+++ b/docs/reference/makeMultilabelStackingWrapper.html
@@ -355,6 +355,7 @@ <h2 class="hasAnchor" id="see-also"><a class="anchor" href="#see-also"></a>See a
   <code><a href='makeDummyFeaturesWrapper.html'>makeDummyFeaturesWrapper</a></code>,
   <code><a href='makeExtractFDAFeatsWrapper.html'>makeExtractFDAFeatsWrapper</a></code>,
   <code><a href='makeFeatSelWrapper.html'>makeFeatSelWrapper</a></code>,
+  <code><a href='makeFilterWrapper.html'>makeFilterWrapper</a></code>,
   <code><a href='makeImputeWrapper.html'>makeImputeWrapper</a></code>,
   <code><a href='makeMulticlassWrapper.html'>makeMulticlassWrapper</a></code>,
   <code><a href='makeMultilabelBinaryRelevanceWrapper.html'>makeMultilabelBinaryRelevanceWrapper</a></code>,
diff --git a/docs/reference/makeOverBaggingWrapper.html b/docs/reference/makeOverBaggingWrapper.html
index 7a8e4079ab..dc7f09f9ed 100644
--- a/docs/reference/makeOverBaggingWrapper.html
+++ b/docs/reference/makeOverBaggingWrapper.html
@@ -391,6 +391,7 @@ <h2 class="hasAnchor" id="see-also"><a class="anchor" href="#see-also"></a>See a
   <code><a href='makeDummyFeaturesWrapper.html'>makeDummyFeaturesWrapper</a></code>,
   <code><a href='makeExtractFDAFeatsWrapper.html'>makeExtractFDAFeatsWrapper</a></code>,
   <code><a href='makeFeatSelWrapper.html'>makeFeatSelWrapper</a></code>,
+  <code><a href='makeFilterWrapper.html'>makeFilterWrapper</a></code>,
   <code><a href='makeImputeWrapper.html'>makeImputeWrapper</a></code>,
   <code><a href='makeMulticlassWrapper.html'>makeMulticlassWrapper</a></code>,
   <code><a href='makeMultilabelBinaryRelevanceWrapper.html'>makeMultilabelBinaryRelevanceWrapper</a></code>,
diff --git a/docs/reference/makePreprocWrapper.html b/docs/reference/makePreprocWrapper.html
index 8576a72647..c9d5e7a4ff 100644
--- a/docs/reference/makePreprocWrapper.html
+++ b/docs/reference/makePreprocWrapper.html
@@ -372,6 +372,7 @@ <h2 class="hasAnchor" id="see-also"><a class="anchor" href="#see-also"></a>See a
   <code><a href='makeDummyFeaturesWrapper.html'>makeDummyFeaturesWrapper</a></code>,
   <code><a href='makeExtractFDAFeatsWrapper.html'>makeExtractFDAFeatsWrapper</a></code>,
   <code><a href='makeFeatSelWrapper.html'>makeFeatSelWrapper</a></code>,
+  <code><a href='makeFilterWrapper.html'>makeFilterWrapper</a></code>,
   <code><a href='makeImputeWrapper.html'>makeImputeWrapper</a></code>,
   <code><a href='makeMulticlassWrapper.html'>makeMulticlassWrapper</a></code>,
   <code><a href='makeMultilabelBinaryRelevanceWrapper.html'>makeMultilabelBinaryRelevanceWrapper</a></code>,
diff --git a/docs/reference/makePreprocWrapperCaret.html b/docs/reference/makePreprocWrapperCaret.html
index efa39feff8..32ce22ad76 100644
--- a/docs/reference/makePreprocWrapperCaret.html
+++ b/docs/reference/makePreprocWrapperCaret.html
@@ -346,6 +346,7 @@ <h2 class="hasAnchor" id="see-also"><a class="anchor" href="#see-also"></a>See a
   <code><a href='makeDummyFeaturesWrapper.html'>makeDummyFeaturesWrapper</a></code>,
   <code><a href='makeExtractFDAFeatsWrapper.html'>makeExtractFDAFeatsWrapper</a></code>,
   <code><a href='makeFeatSelWrapper.html'>makeFeatSelWrapper</a></code>,
+  <code><a href='makeFilterWrapper.html'>makeFilterWrapper</a></code>,
   <code><a href='makeImputeWrapper.html'>makeImputeWrapper</a></code>,
   <code><a href='makeMulticlassWrapper.html'>makeMulticlassWrapper</a></code>,
   <code><a href='makeMultilabelBinaryRelevanceWrapper.html'>makeMultilabelBinaryRelevanceWrapper</a></code>,
diff --git a/docs/reference/makeRemoveConstantFeaturesWrapper.html b/docs/reference/makeRemoveConstantFeaturesWrapper.html
index 6c8f804d9c..92b9193f4d 100644
--- a/docs/reference/makeRemoveConstantFeaturesWrapper.html
+++ b/docs/reference/makeRemoveConstantFeaturesWrapper.html
@@ -363,6 +363,7 @@ <h2 class="hasAnchor" id="see-also"><a class="anchor" href="#see-also"></a>See a
   <code><a href='makeDummyFeaturesWrapper.html'>makeDummyFeaturesWrapper</a></code>,
   <code><a href='makeExtractFDAFeatsWrapper.html'>makeExtractFDAFeatsWrapper</a></code>,
   <code><a href='makeFeatSelWrapper.html'>makeFeatSelWrapper</a></code>,
+  <code><a href='makeFilterWrapper.html'>makeFilterWrapper</a></code>,
   <code><a href='makeImputeWrapper.html'>makeImputeWrapper</a></code>,
   <code><a href='makeMulticlassWrapper.html'>makeMulticlassWrapper</a></code>,
   <code><a href='makeMultilabelBinaryRelevanceWrapper.html'>makeMultilabelBinaryRelevanceWrapper</a></code>,
diff --git a/docs/reference/makeSMOTEWrapper.html b/docs/reference/makeSMOTEWrapper.html
index 3505b58536..d4d836a78f 100644
--- a/docs/reference/makeSMOTEWrapper.html
+++ b/docs/reference/makeSMOTEWrapper.html
@@ -375,6 +375,7 @@ <h2 class="hasAnchor" id="see-also"><a class="anchor" href="#see-also"></a>See a
   <code><a href='makeDummyFeaturesWrapper.html'>makeDummyFeaturesWrapper</a></code>,
   <code><a href='makeExtractFDAFeatsWrapper.html'>makeExtractFDAFeatsWrapper</a></code>,
   <code><a href='makeFeatSelWrapper.html'>makeFeatSelWrapper</a></code>,
+  <code><a href='makeFilterWrapper.html'>makeFilterWrapper</a></code>,
   <code><a href='makeImputeWrapper.html'>makeImputeWrapper</a></code>,
   <code><a href='makeMulticlassWrapper.html'>makeMulticlassWrapper</a></code>,
   <code><a href='makeMultilabelBinaryRelevanceWrapper.html'>makeMultilabelBinaryRelevanceWrapper</a></code>,
diff --git a/docs/reference/makeTuneWrapper.html b/docs/reference/makeTuneWrapper.html
index 047bee5cbe..c9f1c0022c 100644
--- a/docs/reference/makeTuneWrapper.html
+++ b/docs/reference/makeTuneWrapper.html
@@ -401,6 +401,7 @@ <h2 class="hasAnchor" id="see-also"><a class="anchor" href="#see-also"></a>See a
   <code><a href='makeDummyFeaturesWrapper.html'>makeDummyFeaturesWrapper</a></code>,
   <code><a href='makeExtractFDAFeatsWrapper.html'>makeExtractFDAFeatsWrapper</a></code>,
   <code><a href='makeFeatSelWrapper.html'>makeFeatSelWrapper</a></code>,
+  <code><a href='makeFilterWrapper.html'>makeFilterWrapper</a></code>,
   <code><a href='makeImputeWrapper.html'>makeImputeWrapper</a></code>,
   <code><a href='makeMulticlassWrapper.html'>makeMulticlassWrapper</a></code>,
   <code><a href='makeMultilabelBinaryRelevanceWrapper.html'>makeMultilabelBinaryRelevanceWrapper</a></code>,
diff --git a/docs/reference/makeUndersampleWrapper.html b/docs/reference/makeUndersampleWrapper.html
index aa6727ceb6..79c01777df 100644
--- a/docs/reference/makeUndersampleWrapper.html
+++ b/docs/reference/makeUndersampleWrapper.html
@@ -373,6 +373,7 @@ <h2 class="hasAnchor" id="see-also"><a class="anchor" href="#see-also"></a>See a
   <code><a href='makeDummyFeaturesWrapper.html'>makeDummyFeaturesWrapper</a></code>,
   <code><a href='makeExtractFDAFeatsWrapper.html'>makeExtractFDAFeatsWrapper</a></code>,
   <code><a href='makeFeatSelWrapper.html'>makeFeatSelWrapper</a></code>,
+  <code><a href='makeFilterWrapper.html'>makeFilterWrapper</a></code>,
   <code><a href='makeImputeWrapper.html'>makeImputeWrapper</a></code>,
   <code><a href='makeMulticlassWrapper.html'>makeMulticlassWrapper</a></code>,
   <code><a href='makeMultilabelBinaryRelevanceWrapper.html'>makeMultilabelBinaryRelevanceWrapper</a></code>,
diff --git a/docs/reference/makeWeightedClassesWrapper.html b/docs/reference/makeWeightedClassesWrapper.html
index 6fc87d6ab7..cb994c3ba0 100644
--- a/docs/reference/makeWeightedClassesWrapper.html
+++ b/docs/reference/makeWeightedClassesWrapper.html
@@ -385,6 +385,7 @@ <h2 class="hasAnchor" id="see-also"><a class="anchor" href="#see-also"></a>See a
   <code><a href='makeDummyFeaturesWrapper.html'>makeDummyFeaturesWrapper</a></code>,
   <code><a href='makeExtractFDAFeatsWrapper.html'>makeExtractFDAFeatsWrapper</a></code>,
   <code><a href='makeFeatSelWrapper.html'>makeFeatSelWrapper</a></code>,
+  <code><a href='makeFilterWrapper.html'>makeFilterWrapper</a></code>,
   <code><a href='makeImputeWrapper.html'>makeImputeWrapper</a></code>,
   <code><a href='makeMulticlassWrapper.html'>makeMulticlassWrapper</a></code>,
   <code><a href='makeMultilabelBinaryRelevanceWrapper.html'>makeMultilabelBinaryRelevanceWrapper</a></code>,
diff --git a/docs/reference/mergeSmallFactorLevels.html b/docs/reference/mergeSmallFactorLevels.html
index e9c1d61dd1..9b90a2c31c 100644
--- a/docs/reference/mergeSmallFactorLevels.html
+++ b/docs/reference/mergeSmallFactorLevels.html
@@ -350,7 +350,8 @@ <h2 class="hasAnchor" id="see-also"><a class="anchor" href="#see-also"></a>See a
   <code><a href='dropFeatures.html'>dropFeatures</a></code>,
   <code><a href='normalizeFeatures.html'>normalizeFeatures</a></code>,
   <code><a href='removeConstantFeatures.html'>removeConstantFeatures</a></code>,
-  <code><a href='summarizeColumns.html'>summarizeColumns</a></code></p></div>
+  <code><a href='summarizeColumns.html'>summarizeColumns</a></code>,
+  <code><a href='summarizeLevels.html'>summarizeLevels</a></code></p></div>
     
 
   </div>
diff --git a/docs/reference/normalizeFeatures.html b/docs/reference/normalizeFeatures.html
index f91b6a571e..a960c454e0 100644
--- a/docs/reference/normalizeFeatures.html
+++ b/docs/reference/normalizeFeatures.html
@@ -381,7 +381,8 @@ <h2 class="hasAnchor" id="see-also"><a class="anchor" href="#see-also"></a>See a
   <code><a href='dropFeatures.html'>dropFeatures</a></code>,
   <code><a href='mergeSmallFactorLevels.html'>mergeSmallFactorLevels</a></code>,
   <code><a href='removeConstantFeatures.html'>removeConstantFeatures</a></code>,
-  <code><a href='summarizeColumns.html'>summarizeColumns</a></code></p></div>
+  <code><a href='summarizeColumns.html'>summarizeColumns</a></code>,
+  <code><a href='summarizeLevels.html'>summarizeLevels</a></code></p></div>
     
 
   </div>
diff --git a/docs/reference/removeConstantFeatures.html b/docs/reference/removeConstantFeatures.html
index dca696dcfe..f62fc8521d 100644
--- a/docs/reference/removeConstantFeatures.html
+++ b/docs/reference/removeConstantFeatures.html
@@ -372,7 +372,8 @@ <h2 class="hasAnchor" id="see-also"><a class="anchor" href="#see-also"></a>See a
   <code><a href='dropFeatures.html'>dropFeatures</a></code>,
   <code><a href='mergeSmallFactorLevels.html'>mergeSmallFactorLevels</a></code>,
   <code><a href='normalizeFeatures.html'>normalizeFeatures</a></code>,
-  <code><a href='summarizeColumns.html'>summarizeColumns</a></code></p></div>
+  <code><a href='summarizeColumns.html'>summarizeColumns</a></code>,
+  <code><a href='summarizeLevels.html'>summarizeLevels</a></code></p></div>
     
 
   </div>
diff --git a/docs/reference/summarizeColumns.html b/docs/reference/summarizeColumns.html
index c513189aa1..5b051cfed4 100644
--- a/docs/reference/summarizeColumns.html
+++ b/docs/reference/summarizeColumns.html
@@ -349,7 +349,8 @@ <h2 class="hasAnchor" id="see-also"><a class="anchor" href="#see-also"></a>See a
   <code><a href='dropFeatures.html'>dropFeatures</a></code>,
   <code><a href='mergeSmallFactorLevels.html'>mergeSmallFactorLevels</a></code>,
   <code><a href='normalizeFeatures.html'>normalizeFeatures</a></code>,
-  <code><a href='removeConstantFeatures.html'>removeConstantFeatures</a></code></p></div>
+  <code><a href='removeConstantFeatures.html'>removeConstantFeatures</a></code>,
+  <code><a href='summarizeLevels.html'>summarizeLevels</a></code></p></div>
     
 
     <h2 class="hasAnchor" id="examples"><a class="anchor" href="#examples"></a>Examples</h2>
diff --git a/docs/reference/summarizeLevels.html b/docs/reference/summarizeLevels.html
index 0754b1af2e..88e1a78009 100644
--- a/docs/reference/summarizeLevels.html
+++ b/docs/reference/summarizeLevels.html
@@ -328,7 +328,23 @@ <h2 class="hasAnchor" id="value"><a class="anchor" href="#value"></a>Value</h2>
 
     <p>(<a href='https://www.rdocumentation.org/packages/base/topics/list'>list</a>). Named list of tables.</p>
     
+    <h2 class="hasAnchor" id="see-also"><a class="anchor" href="#see-also"></a>See also</h2>
 
+    <div class='dont-index'><p>Other eda_and_preprocess: <code><a href='capLargeValues.html'>capLargeValues</a></code>,
+  <code><a href='createDummyFeatures.html'>createDummyFeatures</a></code>,
+  <code><a href='dropFeatures.html'>dropFeatures</a></code>,
+  <code><a href='mergeSmallFactorLevels.html'>mergeSmallFactorLevels</a></code>,
+  <code><a href='normalizeFeatures.html'>normalizeFeatures</a></code>,
+  <code><a href='removeConstantFeatures.html'>removeConstantFeatures</a></code>,
+  <code><a href='summarizeColumns.html'>summarizeColumns</a></code></p></div>
+    
+
+    <h2 class="hasAnchor" id="examples"><a class="anchor" href="#examples"></a>Examples</h2>
+    <pre class="examples"><div class='input'><span class='fu'>summarizeLevels</span>(<span class='no'>iris</span>)</div><div class='output co'>#&gt; $Species
+#&gt; 
+#&gt;     setosa versicolor  virginica 
+#&gt;         50         50         50 
+#&gt; </div></pre>
   </div>
   <div class="col-md-3 hidden-xs hidden-sm" id="sidebar">
     <h2>Contents</h2>
@@ -336,7 +352,11 @@ <h2>Contents</h2>
       <li><a href="#arguments">Arguments</a></li>
       
       <li><a href="#value">Value</a></li>
-          </ul>
+
+      <li><a href="#see-also">See also</a></li>
+      
+      <li><a href="#examples">Examples</a></li>
+    </ul>
 
   </div>
 </div>