/usr/lib/R/site-library/scales/NEWS is in r-cran-scales 0.3.0-1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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* `rescale()` preserves missing values in input when the range of `x` is
(effectively) 0 (ggplot2#985).
* Continuous colour palettes now use `colour_ramp()` instead of `colorRamp()`.
This only supports interpolation in Lab colour space, but is hundreds of
times faster.
Version 0.2.5
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## Improved formatting functions
* `date_format()` gains an option to specify time zone (#51).
* `dollar_format()` is now more flexible and can add either prefixes or suffixes
for different currencies (#53). It gains a `negative_parens` argument
to show negative values as `($100)` and now passes missing values through
unchanged (#40, @dougmitarotonda).
* New `ordinal_format()` generates ordinal numbers (1st, 2nd etc)
(@aaronwolen, #55)
* New `unit_format()` makes it easier to add units to labels, optionally
scaling (@ThierryO, 46)
* New `wrap_format()` function to wrap character vectors to a desired width.
(@jimhester, #37).
## New colour scaling functions
* New color scaling functions `col_numeric()`, `col_bin()`, `col_quantile()`,
and `col_factor()`. These functions provide concise ways to map continuous or
categorical values to color spectra.
* New `colour_ramp()` function for performing color interpolation in the CIELAB
color space (like `grDevices::colorRamp(space = 'Lab')`, but much faster).
## Other bug fixes and minor improvements
* `boxcox_trans()` returns correct value when p is close to zero (#31).
* `dollar()` and `percent()` both correctly return a zero length string
for zero length input (@BrianDiggs, #35)
* `brewer_pal()` gains a `direction` argument to easily invert the order
of colours (@jiho, #36).
* `show_col()` has additional options to showcase colors better (@jiho, #52)
* Relaxed tolerance in `zero_range()` to `.Machine$double.eps * 1000` (#33).
Version 0.2.4
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* Eliminate stringr dependency.
* Fix outstanding errors in R CMD check
Version 0.2.3
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* `floor_time` calls `to_time`, but that function was moved into a function
so it was no longer available in the scales namespace. Now `floor_time`
has its own copy of that function. (Thanks to Stefan Novak)
* Color palettes generated by `brewer_pal` no longer give warnings when fewer
than 3 colors are requested. (Winston Chang)
* `abs_area and `rescale_max` functions have been added, for scaling the area
of points to be proportional to their value. These are used by
`scale_size_area` in ggplot2.
Version 0.2.2
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* `zero_range` has improved behaviour thanks to Brian Diggs.
* `brewer_pal` complains if you give it an incorrect palette type. (Fixes #15,
thanks to Jean-Olivier Irisson)
* `shape_pal` warns if asked for more than 6 values. (Fixes #16, thanks to
Jean-Olivier Irisson)
* `time_trans` gains an optional argument `tz` to specify the time zone to use
for the times. If not specified, it will be guess from the first input with
a non-null time zone.
* `date_trans` and `time_trans` now check that their inputs are of the correct
type. This prevents ggplot2 scales from silently giving incorrect outputs
when given incorrect inputs.
* Change the default breaks algorithm for `cbreaks()` and `trans_new()`.
Previously it was `pretty_breaks()`, and now it's `extended_breaks()`,
which uses the `extended()` algorithm from the labeling package.
* fixed namespace problem with `fullseq`
Version 0.2.1
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* `suppressWarnings` from `train_continuous` so zero-row or all infinite data
frames don't potentially cause problems.
* check for zero-length colour in `gradient_n_pal`
* added `extended_breaks` which implements an extension to Wilkinson's
labelling approach, as implemented in the `labeling` package. This should
generally produce nicer breaks than `pretty_breaks`.
* `alpha` can now preserve existing alpha values if `alpha` is missing.
* `log_breaks` always gives breaks evenly spaced on the log scale, never
evenly spaced on the data scale. This will result in really bad breaks for
some ranges (e.g 0.5-0.6), but you probably shouldn't be using log scales in
that situation anyway.
Version 0.2.0
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* `censor` and `squish` gain `only.finite` argument and default to operating
only on finite values. This is needed for ggplot2, and reflects the use of
Inf and -Inf as special values.
* `bounds` functions now `force` evaluation of range to avoid bug with S3
method dispatch inside primitive functions (e.g. `[`)
* Simplified algorithm for `discrete_range` that is robust to
`stringsAsFactors` global option. Now, the order of a factor will only be
preserved if the full factor is the first object seen, and all subsequent
inputs are subsets of the levels of the original factor.
* `scientific` ensures output is always in scientific format and off the
specified number of significant digits. `comma` ensures output is never in
scientific format. (Fixes #7)
* Another tweak to `zero_range` to better detect when a range has zero length.
(Fixes #6)
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