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erdogant · Apr 28, 2023 · 7e9fec2 · 7e9fec2
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diff --git a/docs/figs/biplot_only_directions.png b/docs/figs/biplot_only_directions.png
diff --git a/docs/figs/custom_example_2.png b/docs/figs/custom_example_2.png
diff --git a/docs/figs/iris_density.png b/docs/figs/iris_density.png
diff --git a/docs/figs/marker_example_1.png b/docs/figs/marker_example_1.png
diff --git a/docs/figs/wine_arrow_1.png b/docs/figs/wine_arrow_1.png
diff --git a/docs/figs/wine_arrow_10.png b/docs/figs/wine_arrow_10.png
diff --git a/docs/figs/wine_arrow_2.png b/docs/figs/wine_arrow_2.png
diff --git a/docs/figs/wine_arrow_3.png b/docs/figs/wine_arrow_3.png
diff --git a/docs/figs/wine_arrow_4.png b/docs/figs/wine_arrow_4.png
diff --git a/docs/figs/wine_arrow_5.png b/docs/figs/wine_arrow_5.png
diff --git a/docs/figs/wine_arrow_6.png b/docs/figs/wine_arrow_6.png
diff --git a/docs/figs/wine_arrow_7.png b/docs/figs/wine_arrow_7.png
diff --git a/docs/figs/wine_arrow_8.png b/docs/figs/wine_arrow_8.png
diff --git a/docs/figs/wine_arrow_9.png b/docs/figs/wine_arrow_9.png
diff --git a/docs/figs/wine_biplot.png b/docs/figs/wine_biplot.png
diff --git a/docs/figs/wine_biplot3d.png b/docs/figs/wine_biplot3d.png
diff --git a/docs/figs/wine_biplot_with_outliers.png b/docs/figs/wine_biplot_with_outliers.png
diff --git a/docs/figs/wine_scatter.png b/docs/figs/wine_scatter.png
diff --git a/docs/figs/wine_scatter_PC13.png b/docs/figs/wine_scatter_PC13.png
diff --git a/docs/figs/wine_scatter_density.png b/docs/figs/wine_scatter_density.png
diff --git a/docs/figs/wine_scatter_gradient.png b/docs/figs/wine_scatter_gradient.png
diff --git a/docs/figs/wine_scatter_hotel.png b/docs/figs/wine_scatter_hotel.png
diff --git a/docs/figs/wine_scatter_spe.png b/docs/figs/wine_scatter_spe.png
diff --git a/docs/pages/doctrees/Plots.doctree b/docs/pages/doctrees/Plots.doctree
diff --git a/docs/pages/doctrees/arrows.doctree b/docs/pages/doctrees/arrows.doctree
diff --git a/docs/pages/doctrees/environment.pickle b/docs/pages/doctrees/environment.pickle
diff --git a/docs/pages/doctrees/index.doctree b/docs/pages/doctrees/index.doctree
diff --git a/docs/pages/doctrees/pca.pca.doctree b/docs/pages/doctrees/pca.pca.doctree
diff --git a/docs/pages/html/Abstract.html b/docs/pages/html/Abstract.html
@@ -83,6 +83,7 @@
 <li class="toctree-l1"><a class="reference internal" href="Plots.html#control-color-marker-size-per-sample">Control color/marker/size per sample</a></li>
 <li class="toctree-l1"><a class="reference internal" href="Plots.html#d-plots">3D plots</a></li>
 <li class="toctree-l1"><a class="reference internal" href="Plots.html#toggle-visible-status">Toggle visible status</a></li>
+<li class="toctree-l1"><a class="reference internal" href="arrows.html">Control Arrows</a></li>
 </ul>
 <p class="caption" role="heading"><span class="caption-text">Examples</span></p>
 <ul>

diff --git a/docs/pages/html/Additional_Information.html b/docs/pages/html/Additional_Information.html
@@ -83,6 +83,7 @@
 <li class="toctree-l1"><a class="reference internal" href="Plots.html#control-color-marker-size-per-sample">Control color/marker/size per sample</a></li>
 <li class="toctree-l1"><a class="reference internal" href="Plots.html#d-plots">3D plots</a></li>
 <li class="toctree-l1"><a class="reference internal" href="Plots.html#toggle-visible-status">Toggle visible status</a></li>
+<li class="toctree-l1"><a class="reference internal" href="arrows.html">Control Arrows</a></li>
 </ul>
 <p class="caption" role="heading"><span class="caption-text">Examples</span></p>
 <ul>

diff --git a/docs/pages/html/Algorithm.html b/docs/pages/html/Algorithm.html
@@ -83,6 +83,7 @@
 <li class="toctree-l1"><a class="reference internal" href="Plots.html#control-color-marker-size-per-sample">Control color/marker/size per sample</a></li>
 <li class="toctree-l1"><a class="reference internal" href="Plots.html#d-plots">3D plots</a></li>
 <li class="toctree-l1"><a class="reference internal" href="Plots.html#toggle-visible-status">Toggle visible status</a></li>
+<li class="toctree-l1"><a class="reference internal" href="arrows.html">Control Arrows</a></li>
 </ul>
 <p class="caption" role="heading"><span class="caption-text">Examples</span></p>
 <ul>

diff --git a/docs/pages/html/Coding quality.html b/docs/pages/html/Coding quality.html
@@ -83,6 +83,7 @@
 <li class="toctree-l1"><a class="reference internal" href="Plots.html#control-color-marker-size-per-sample">Control color/marker/size per sample</a></li>
 <li class="toctree-l1"><a class="reference internal" href="Plots.html#d-plots">3D plots</a></li>
 <li class="toctree-l1"><a class="reference internal" href="Plots.html#toggle-visible-status">Toggle visible status</a></li>
+<li class="toctree-l1"><a class="reference internal" href="arrows.html">Control Arrows</a></li>
 </ul>
 <p class="caption" role="heading"><span class="caption-text">Examples</span></p>
 <ul>

diff --git a/docs/pages/html/Documentation.html b/docs/pages/html/Documentation.html
@@ -83,6 +83,7 @@
 <li class="toctree-l1"><a class="reference internal" href="Plots.html#control-color-marker-size-per-sample">Control color/marker/size per sample</a></li>
 <li class="toctree-l1"><a class="reference internal" href="Plots.html#d-plots">3D plots</a></li>
 <li class="toctree-l1"><a class="reference internal" href="Plots.html#toggle-visible-status">Toggle visible status</a></li>
+<li class="toctree-l1"><a class="reference internal" href="arrows.html">Control Arrows</a></li>
 </ul>
 <p class="caption" role="heading"><span class="caption-text">Examples</span></p>
 <ul>

diff --git a/docs/pages/html/Examples.html b/docs/pages/html/Examples.html
@@ -19,7 +19,7 @@
     <link rel="index" title="Index" href="genindex.html" />
     <link rel="search" title="Search" href="search.html" />
     <link rel="next" title="Notebook" href="notebook.html" />
-    <link rel="prev" title="Load dataset" href="Plots.html" /> 
+    <link rel="prev" title="Control Arrows" href="arrows.html" /> 
 </head>
 
 <body class="wy-body-for-nav"> 
@@ -83,6 +83,7 @@
 <li class="toctree-l1"><a class="reference internal" href="Plots.html#control-color-marker-size-per-sample">Control color/marker/size per sample</a></li>
 <li class="toctree-l1"><a class="reference internal" href="Plots.html#d-plots">3D plots</a></li>
 <li class="toctree-l1"><a class="reference internal" href="Plots.html#toggle-visible-status">Toggle visible status</a></li>
+<li class="toctree-l1"><a class="reference internal" href="arrows.html">Control Arrows</a></li>
 </ul>
 <p class="caption" role="heading"><span class="caption-text">Examples</span></p>
 <ul class="current">
@@ -557,7 +558,7 @@ <h1>Colors in plots<a class="headerlink" href="#colors-in-plots" title="Permalin
            </div>
           </div>
           <footer><div class="rst-footer-buttons" role="navigation" aria-label="Footer">
-        <a href="Plots.html" class="btn btn-neutral float-left" title="Load dataset" accesskey="p" rel="prev"><span class="fa fa-arrow-circle-left" aria-hidden="true"></span> Previous</a>
+        <a href="arrows.html" class="btn btn-neutral float-left" title="Control Arrows" accesskey="p" rel="prev"><span class="fa fa-arrow-circle-left" aria-hidden="true"></span> Previous</a>
         <a href="notebook.html" class="btn btn-neutral float-right" title="Notebook" accesskey="n" rel="next">Next <span class="fa fa-arrow-circle-right" aria-hidden="true"></span></a>
     </div>
 

diff --git a/docs/pages/html/Installation.html b/docs/pages/html/Installation.html
@@ -87,6 +87,7 @@
 <li class="toctree-l1"><a class="reference internal" href="Plots.html#control-color-marker-size-per-sample">Control color/marker/size per sample</a></li>
 <li class="toctree-l1"><a class="reference internal" href="Plots.html#d-plots">3D plots</a></li>
 <li class="toctree-l1"><a class="reference internal" href="Plots.html#toggle-visible-status">Toggle visible status</a></li>
+<li class="toctree-l1"><a class="reference internal" href="arrows.html">Control Arrows</a></li>
 </ul>
 <p class="caption" role="heading"><span class="caption-text">Examples</span></p>
 <ul>

diff --git a/docs/pages/html/Outlier detection.html b/docs/pages/html/Outlier detection.html
@@ -83,6 +83,7 @@
 <li class="toctree-l1"><a class="reference internal" href="Plots.html#control-color-marker-size-per-sample">Control color/marker/size per sample</a></li>
 <li class="toctree-l1"><a class="reference internal" href="Plots.html#d-plots">3D plots</a></li>
 <li class="toctree-l1"><a class="reference internal" href="Plots.html#toggle-visible-status">Toggle visible status</a></li>
+<li class="toctree-l1"><a class="reference internal" href="arrows.html">Control Arrows</a></li>
 </ul>
 <p class="caption" role="heading"><span class="caption-text">Examples</span></p>
 <ul>

diff --git a/docs/pages/html/Plots.html b/docs/pages/html/Plots.html
@@ -18,7 +18,7 @@
     <script src="_static/js/theme.js"></script>
     <link rel="index" title="Index" href="genindex.html" />
     <link rel="search" title="Search" href="search.html" />
-    <link rel="next" title="Quickstart" href="Examples.html" />
+    <link rel="next" title="Control Arrows" href="arrows.html" />
     <link rel="prev" title="Hotelling T2" href="Outlier%20detection.html" /> 
 </head>
 
@@ -83,6 +83,7 @@
 <li class="toctree-l1"><a class="reference internal" href="#control-color-marker-size-per-sample">Control color/marker/size per sample</a></li>
 <li class="toctree-l1"><a class="reference internal" href="#d-plots">3D plots</a></li>
 <li class="toctree-l1"><a class="reference internal" href="#toggle-visible-status">Toggle visible status</a></li>
+<li class="toctree-l1"><a class="reference internal" href="arrows.html">Control Arrows</a></li>
 </ul>
 <p class="caption" role="heading"><span class="caption-text">Examples</span></p>
 <ul>
@@ -169,14 +170,17 @@ <h1>Scatter plot<a class="headerlink" href="#scatter-plot" title="Permalink to t
 <div class="highlight-python notranslate"><div class="highlight"><pre><span></span><span class="c1"># Make scatterplot</span>
 <span class="n">model</span><span class="o">.</span><span class="n">scatter</span><span class="p">()</span>
 
+<span class="c1"># Make scatterplot</span>
+<span class="n">model</span><span class="o">.</span><span class="n">scatter</span><span class="p">(</span><span class="n">density</span><span class="o">=</span><span class="kc">True</span><span class="p">)</span>
+
 <span class="c1"># Gradient over the samples. High dense areas will be more colourful.</span>
-<span class="n">model</span><span class="o">.</span><span class="n">scatter</span><span class="p">(</span><span class="n">gradient</span><span class="o">=</span><span class="s1">&#39;#FFFFFF&#39;</span><span class="p">)</span>
+<span class="n">model</span><span class="o">.</span><span class="n">scatter</span><span class="p">(</span><span class="n">gradient</span><span class="o">=</span><span class="s1">&#39;#FFFFFF&#39;</span><span class="p">,</span> <span class="n">edgecolor</span><span class="o">=</span><span class="kc">None</span><span class="p">)</span>
 
 <span class="c1"># Include the outlier detection</span>
-<span class="n">model</span><span class="o">.</span><span class="n">scatter</span><span class="p">(</span><span class="n">SPE</span><span class="o">=</span><span class="kc">True</span><span class="p">)</span>
+<span class="n">model</span><span class="o">.</span><span class="n">scatter</span><span class="p">(</span><span class="n">SPE</span><span class="o">=</span><span class="kc">True</span><span class="p">,</span> <span class="n">density</span><span class="o">=</span><span class="kc">True</span><span class="p">)</span>
 
 <span class="c1"># Include the outlier detection</span>
-<span class="n">model</span><span class="o">.</span><span class="n">scatter</span><span class="p">(</span><span class="n">HT2</span><span class="o">=</span><span class="kc">True</span><span class="p">)</span>
+<span class="n">model</span><span class="o">.</span><span class="n">scatter</span><span class="p">(</span><span class="n">HT2</span><span class="o">=</span><span class="kc">True</span><span class="p">,</span> <span class="n">density</span><span class="o">=</span><span class="kc">True</span><span class="p">)</span>
 
 <span class="c1"># Look at different PCs: 1st PC=1  vs PC=3</span>
 <span class="n">model</span><span class="o">.</span><span class="n">scatter</span><span class="p">(</span><span class="n">PC</span><span class="o">=</span><span class="p">[</span><span class="mi">0</span><span class="p">,</span> <span class="mi">2</span><span class="p">])</span>
@@ -185,15 +189,16 @@ <h1>Scatter plot<a class="headerlink" href="#scatter-plot" title="Permalink to t
 <table class="docutils align-center" id="id1">
 <caption><span class="caption-text">Scatterplots</span><a class="headerlink" href="#id1" title="Permalink to this table"></a></caption>
 <tbody>
-<tr class="row-odd"><td><p><img alt="figP1" src="_images/wine_scatter.png" /></p></td>
+<tr class="row-odd"><td colspan="2"><p><img alt="figP1" src="_images/wine_scatter.png" /></p></td>
 </tr>
-<tr class="row-even"><td><p><img alt="figP7" src="_images/wine_scatter_density.png" /></p></td>
+<tr class="row-even"><td><p><img alt="figP1d" src="_images/wine_scatter_density.png" /></p></td>
+<td><p><img alt="figP1g" src="_images/wine_scatter_gradient.png" /></p></td>
 </tr>
 <tr class="row-odd"><td><p><img alt="figP2" src="_images/wine_scatter_spe.png" /></p></td>
+<td><p><img alt="figP3" src="_images/wine_scatter_hotel.png" /></p></td>
 </tr>
-<tr class="row-even"><td><p><img alt="figP3" src="_images/wine_scatter_hotel.png" /></p></td>
-</tr>
-<tr class="row-odd"><td><p><img alt="figP4" src="_images/wine_scatter_PC13.png" /></p></td>
+<tr class="row-even"><td><p><img alt="figP4" src="_images/wine_scatter_PC13.png" /></p></td>
+<td><p><img alt="figP7" src="_images/wine_scatter_density.png" /></p></td>
 </tr>
 </tbody>
 </table>
@@ -204,7 +209,7 @@ <h1>Biplot<a class="headerlink" href="#biplot" title="Permalink to this heading"
 <span class="n">model</span><span class="o">.</span><span class="n">biplot</span><span class="p">()</span>
 
 <span class="c1"># Here again, many other options can be turned on and off</span>
-<span class="n">model</span><span class="o">.</span><span class="n">biplot</span><span class="p">(</span><span class="n">SPE</span><span class="o">=</span><span class="kc">True</span><span class="p">,</span> <span class="n">HT2</span><span class="o">=</span><span class="kc">True</span><span class="p">)</span>
+<span class="n">model</span><span class="o">.</span><span class="n">biplot</span><span class="p">(</span><span class="n">SPE</span><span class="o">=</span><span class="kc">True</span><span class="p">,</span> <span class="n">HT2</span><span class="o">=</span><span class="kc">True</span><span class="p">,</span> <span class="n">legend</span><span class="o">=</span><span class="mi">1</span><span class="p">)</span>
 </pre></div>
 </div>
 <table class="docutils align-center" id="id2">
@@ -337,6 +342,7 @@ <h1>3D plots<a class="headerlink" href="#d-plots" title="Permalink to this headi
 <div class="highlight-python notranslate"><div class="highlight"><pre><span></span><span class="n">model</span><span class="o">.</span><span class="n">biplot3d</span><span class="p">()</span>
 </pre></div>
 </div>
+<a class="reference internal image-reference" href="_images/wine_biplot3d.png"><img alt="_images/wine_biplot3d.png" class="align-center" src="_images/wine_biplot3d.png" style="width: 600px;" /></a>
 </section>
 <section id="toggle-visible-status">
 <h1>Toggle visible status<a class="headerlink" href="#toggle-visible-status" title="Permalink to this heading"></a></h1>
@@ -363,7 +369,7 @@ <h1>Toggle visible status<a class="headerlink" href="#toggle-visible-status" tit
           </div>
           <footer><div class="rst-footer-buttons" role="navigation" aria-label="Footer">
         <a href="Outlier%20detection.html" class="btn btn-neutral float-left" title="Hotelling T2" accesskey="p" rel="prev"><span class="fa fa-arrow-circle-left" aria-hidden="true"></span> Previous</a>
-        <a href="Examples.html" class="btn btn-neutral float-right" title="Quickstart" accesskey="n" rel="next">Next <span class="fa fa-arrow-circle-right" aria-hidden="true"></span></a>
+        <a href="arrows.html" class="btn btn-neutral float-right" title="Control Arrows" accesskey="n" rel="next">Next <span class="fa fa-arrow-circle-right" aria-hidden="true"></span></a>
     </div>
 
   <hr/>

diff --git a/docs/pages/html/_images/biplot_only_directions.png b/docs/pages/html/_images/biplot_only_directions.png
diff --git a/docs/pages/html/_images/custom_example_2.png b/docs/pages/html/_images/custom_example_2.png
diff --git a/docs/pages/html/_images/iris_density.png b/docs/pages/html/_images/iris_density.png
diff --git a/docs/pages/html/_images/marker_example_1.png b/docs/pages/html/_images/marker_example_1.png
diff --git a/docs/pages/html/_images/wine_arrow_1.png b/docs/pages/html/_images/wine_arrow_1.png
diff --git a/docs/pages/html/_images/wine_arrow_10.png b/docs/pages/html/_images/wine_arrow_10.png
diff --git a/docs/pages/html/_images/wine_arrow_2.png b/docs/pages/html/_images/wine_arrow_2.png
diff --git a/docs/pages/html/_images/wine_arrow_3.png b/docs/pages/html/_images/wine_arrow_3.png
diff --git a/docs/pages/html/_images/wine_arrow_4.png b/docs/pages/html/_images/wine_arrow_4.png
diff --git a/docs/pages/html/_images/wine_arrow_5.png b/docs/pages/html/_images/wine_arrow_5.png
diff --git a/docs/pages/html/_images/wine_arrow_7.png b/docs/pages/html/_images/wine_arrow_7.png
diff --git a/docs/pages/html/_images/wine_arrow_8.png b/docs/pages/html/_images/wine_arrow_8.png
diff --git a/docs/pages/html/_images/wine_arrow_9.png b/docs/pages/html/_images/wine_arrow_9.png
diff --git a/docs/pages/html/_images/wine_biplot.png b/docs/pages/html/_images/wine_biplot.png
diff --git a/docs/pages/html/_images/wine_biplot3d.png b/docs/pages/html/_images/wine_biplot3d.png
diff --git a/docs/pages/html/_images/wine_biplot_with_outliers.png b/docs/pages/html/_images/wine_biplot_with_outliers.png
diff --git a/docs/pages/html/_images/wine_scatter.png b/docs/pages/html/_images/wine_scatter.png
diff --git a/docs/pages/html/_images/wine_scatter_PC13.png b/docs/pages/html/_images/wine_scatter_PC13.png
diff --git a/docs/pages/html/_images/wine_scatter_density.png b/docs/pages/html/_images/wine_scatter_density.png
diff --git a/docs/pages/html/_images/wine_scatter_gradient.png b/docs/pages/html/_images/wine_scatter_gradient.png
diff --git a/docs/pages/html/_images/wine_scatter_hotel.png b/docs/pages/html/_images/wine_scatter_hotel.png
diff --git a/docs/pages/html/_images/wine_scatter_spe.png b/docs/pages/html/_images/wine_scatter_spe.png
diff --git a/docs/pages/html/_sources/Plots.rst.txt b/docs/pages/html/_sources/Plots.rst.txt
@@ -42,20 +42,25 @@ Scatter plot
 	# Make scatterplot
 	model.scatter()
 
+	# Make scatterplot
+	model.scatter(density=True)
+
 	# Gradient over the samples. High dense areas will be more colourful.
-	model.scatter(gradient='#FFFFFF')
+	model.scatter(gradient='#FFFFFF', edgecolor=None)
 
 	# Include the outlier detection
-	model.scatter(SPE=True)
+	model.scatter(SPE=True, density=True)
 
 	# Include the outlier detection
-	model.scatter(HT2=True)
+	model.scatter(HT2=True, density=True)
 
 	# Look at different PCs: 1st PC=1  vs PC=3
 	model.scatter(PC=[0, 2])
 
 
 .. |figP1| image:: ../figs/wine_scatter.png
+.. |figP1d| image:: ../figs/wine_scatter_density.png
+.. |figP1g| image:: ../figs/wine_scatter_gradient.png
 .. |figP2| image:: ../figs/wine_scatter_spe.png
 .. |figP3| image:: ../figs/wine_scatter_hotel.png
 .. |figP4| image:: ../figs/wine_scatter_PC13.png
@@ -64,17 +69,15 @@ Scatter plot
 .. table:: Scatterplots
    :align: center
 
-   +----------+
-   | |figP1|  |
-   +----------+
-   | |figP7|  |
-   +----------+
-   | |figP2|  |
-   +----------+
-   | |figP3|  |
-   +----------+
-   | |figP4|  |
-   +----------+
+   +----------+----------+
+   |       |figP1|       |
+   +----------+----------+
+   | |figP1d| | |figP1g| |
+   +----------+----------+
+   | |figP2|  | |figP3|  |
+   +----------+----------+
+   | |figP4|  | |figP7|  |
+   +----------+----------+
 
 
 Biplot
@@ -86,7 +89,7 @@ Biplot
 	model.biplot()
 
 	# Here again, many other options can be turned on and off
-	model.biplot(SPE=True, HT2=True)
+	model.biplot(SPE=True, HT2=True, legend=1)
 
 
 .. |figP5| image:: ../figs/wine_biplot.png
@@ -252,6 +255,12 @@ All plots can also be created in 3D by setting the ``d3=True`` parameter.
 	model.biplot3d()
 
 
+.. image:: ../figs/wine_biplot3d.png
+   :width: 600
+   :align: center
+
+
+
 Toggle visible status
 ##############################
 

diff --git a/docs/pages/html/_sources/arrows.rst.txt b/docs/pages/html/_sources/arrows.rst.txt
@@ -0,0 +1,115 @@
+Control Arrows
+###############
+
+
+.. code:: python
+
+	# Load pca
+	from pca import pca
+
+	# Initialize pca
+	model = pca(n_components=3)
+
+	# Load example data set
+	df = model.import_example(data='iris')
+
+	# Fit transform
+	results = model.fit_transform(df)
+
+
+
+.. code:: python
+
+	# Loading are automatically set based on weak/strong
+	model.biplot(s=0)
+
+.. image:: ../figs/wine_arrow_1.png
+   :width: 600
+   :align: center
+
+
+
+.. code:: python
+
+	# Change strong and weak colors
+	model.biplot(s=0, arrowdict={'color_strong': 'r', 'color_weak': 'g'})
+
+.. image:: ../figs/wine_arrow_2.png
+   :width: 600
+   :align: center
+
+
+.. code:: python
+
+	# Set alpha to constant value
+	model.biplot(s=0, arrowdict={'alpha': 0.8})
+
+.. image:: ../figs/wine_arrow_3.png
+   :width: 600
+   :align: center
+
+
+.. code:: python
+
+	# Change arrow text color
+	model.biplot(s=0, arrowdict={'color_text': 'k'})
+
+.. image:: ../figs/wine_arrow_4.png
+   :width: 600
+   :align: center
+
+
+.. code:: python
+
+	# Change arrow color, which automatically changes the label color too
+	model.biplot(s=0, color_arrow='k')
+
+.. image:: ../figs/wine_arrow_5.png
+   :width: 600
+   :align: center
+
+
+
+.. code:: python
+
+	# Set color text
+	model.biplot(s=0, arrowdict={'color_text': 'k'})
+
+.. image:: ../figs/wine_arrow_7.png
+   :width: 600
+   :align: center
+
+
+.. code:: python
+
+	# Set color arrow and color text
+	model.biplot(s=0, color_arrow='k', arrowdict={'color_text': 'g'})
+
+.. image:: ../figs/wine_arrow_8.png
+   :width: 600
+   :align: center
+
+
+
+.. code:: python
+
+	# Set color arrow and color text and alpha
+	model.biplot()
+
+.. image:: ../figs/wine_arrow_9.png
+   :width: 600
+   :align: center
+
+
+.. code:: python
+
+	# Change the scale factor of the arrow
+	model.biplot3d(arrowdict={'scale_factor': 3})
+
+
+.. image:: ../figs/wine_arrow_10.png
+   :width: 600
+   :align: center
+
+
+.. include:: add_bottom.add
diff --git a/docs/pages/html/_sources/index.rst.txt b/docs/pages/html/_sources/index.rst.txt
@@ -75,6 +75,7 @@ Contents
   :caption: Plots
 
   Plots
+  arrows
 
 .. toctree::
   :maxdepth: 1
-Original file line number
+Diff line change
@@ Expand Up / @@ -75,6 +75,7 @@ Contents @@
       :caption: Plots
       Plots
+      arrows
     .. toctree::
       :maxdepth: 1
@@ Expand Down @@