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scales (version 0.2.0)

Scale functions for graphics.

Description

Scales map data to aesthetics, and provide methods for automatically determining breaks and labels for axes and legends.

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Version

Install

install.packages('scales')

Monthly Downloads

1,353,606

Version

0.2.0

License

MIT

Maintainer

Hadley Wickham

Last Published

February 27th, 2012

Functions in scales (0.2.0)

asn_trans

Arc-sin square root transformation.
as.trans

Convert character string to transformer.
atanh_trans

Arc-tangent transformation.
exp_trans

Exponential transformation (inverse of log transformation).
Range

Mutable ranges.
cscale

Continuous scale.
date_trans

Transformation for dates (class Date).
boxcox_trans

Box-Cox power transformation.
hue_pal

Hue palette (discrete).
alpha

Modify colour transparency. Vectorised in both colour and alpha.
discard

Discard any values outside of range.
scientific_format

Scientific formatter.
trans_range

Compute range of transformed values.
squish_infinite

Squish infinite values to range.
dichromat_pal

Dichromat (colour-blind) palette (discrete).
fullseq

Generate sequence of fixed size intervals covering range.
area_pal

Point area palette (continuous).
muted

Mute standard colour.
time_trans

Transformation for times (class POSIXt).
brewer_pal

Color Brewer palette (discrete).
seq_gradient_pal

Sequential colour gradient palette (continous).
identity_trans

Identity transformation (do nothing).
censor

Censor any values outside of range.
gradient_n_pal

Arbitrary colour gradient palette (continous).
reciprocal_trans

Reciprocal transformation.
date_breaks

Regularly spaced dates.
reverse_trans

Reverse transformation.
col2hcl

Modify standard R colour in hcl colour space.
grey_pal

Grey scale palette (discrete).
percent_format

Percent formatter: multiply by one hundred and display percent sign.
parse_format

Parse a text label to produce expressions for plotmath.
div_gradient_pal

Diverging colour gradient (continous).
date_format

Formatted dates.
squish

Squish values into range.
identity_pal

Identity palette.
expand_range

Expand a range with a multiplicative or additive constant.
package-scales

Generic plot scaling methods
trans_format

Format labels after transformation.
trans_new

Create a new transformation object.
format_format

Format with using any arguments to format.
rescale_none

Don't peform rescaling
log_breaks

Log breaks (integer breaks on log-transformed scales).
trans_breaks

Pretty breaks on transformed scale.
show_col

Show colours.
sqrt_trans

Square-root transformation.
linetype_pal

Line type palette (discrete).
zero_range

Determine if range of vector is FP 0.
rescale_pal

Rescale palette (continuous).
shape_pal

Shape palette (discrete).
probability_trans

Probability transformation.
cbreaks

Compute breaks for continuous scale.
pretty_breaks

Pretty breaks. Uses default R break algorithm as implemented in pretty.
rescale

Rescale numeric vector to have specified minimum and maximum.
math_format

Add arbitrary expression to a label. The symbol that will be replace by the label value is .x.
manual_pal

Manual palette (manual).
comma_format

Comma formatter: format number with commas separating thousands.
dollar_format

Currency formatter: round to nearest cent and display dollar sign.
rescale_mid

Rescale numeric vector to have specified minimum, midpoint, and maximum.
log_trans

Log transformation.
log1p_trans

Log plus one transformation.
dscale

Discrete scale.