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(graphics/R-scales) Updated 1.2.1 to 1.3.0
# scales 1.3.0 ## Better type support * `rescale(I(x), ...)` and `rescale_mid(I(x), ...)` return `I(x)` unaltered (@teunbrand, #403). * Add a rescale method for `difftime` objects (#382) * Add better support for `difftime` objects. `label_timespan()` adds functionality for adding correct unit suffix to timespan data, `breaks_timespan()` adds functionality for finding pleasant breakpoints across the various bases in time units, while `transform_timespan()` wraps it all together and provides an alternative to `transform_hms()` (#212) ## Ranges * `train_continuous()` coerces `new` to numeric before calculating range (@teunbrand, #369). * Training on factor data no longer sorts the range after multiple training passes if the new `fct` argument of `train_discrete()` is used (#383) * The `DiscreteRange` class now keeps track on whether it has been trained on factor data. * Attempt to make the sort behavior of the range consistent for character vectors during training. Mixing of character and factor data will make the factor level order take precedence no matter if the training starts with a charactor vector ## Transformations * Transformation function have been renamed to `transform_*`-prefixed names instead of `*_trans`-suffixed names. This allows for a better tab-completion search of transformations. The S3 class of transformations has been renamed from `"trans"` to `"transform"`. `new_transform()` replaces `trans_new()` and `trim_to_domain()` replaces `trans_range()`. All old functions are kept for posterity. * `transform_sqrt()` no longer returns an inverse for values outside of its domain (#214) * Add an inverse (area) hyperbolic sine transformation `transform_asinh()`, which provides a logarithm-like transformation of a space, but which accommodates negative values (#297) * Correct the domain calculation for `transform_compose()` (@mjskay, #408). * Transformation objects can optionally include the derivatives of the transform and the inverse transform (@mjskay, #322). ## Misc * The `scale_cut` argument in `number()` now works as advertised for values below the lowest cut value (#346) * `scale_cut` will now choose a more appropriate cut in the case of the first cut creating an irrational-ish number. * Added a new option to the `style_positive` argument in `label_*()` functions. Setting this to `"space"` will add a figure space in front of the number to make it easier to align positive and negative values as figure space takes up the same amount of space as `-` (#366) * `label_dollar()` has been superseeded by `label_currency()` for clarity (#344) * Palette functions now have the `pal_`-prefix. The old `_pal`-suffixed versions are kept for backward compatibility.
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