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scales (version 0.2.2)

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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Install

install.packages('scales')

Monthly Downloads

1,256,373

Version

0.2.2

License

MIT

Maintainer

Hadley Wickham

Last Published

September 4th, 2012

Functions in scales (0.2.2)

censor

Censor any values outside of range.

hue_pal

Hue palette (discrete).

gradient_n_pal

Arbitrary colour gradient palette (continous).

alpha

Modify colour transparency. Vectorised in both colour and alpha.

as.trans

Convert character string to transformer.

col2hcl

Modify standard R colour in hcl colour space.

manual_pal

Manual palette (manual).

log_breaks

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

exp_trans

Exponential transformation (inverse of log transformation).

format_format

Format with using any arguments to format.

discard

Discard any values outside of range.

parse_format

Parse a text label to produce expressions for plotmath.

date_format

Formatted dates.

comma_format

Comma formatter: format number with commas separating thousands.

identity_trans

Identity transformation (do nothing).

show_col

Show colours.

asn_trans

Arc-sin square root transformation.

identity_pal

Identity palette.

extended_breaks

Extended breaks. Uses Wilkinson's extended breaks algorithm as implemented in the labeling package.

time_trans

Transformation for times (class POSIXt).

date_breaks

Regularly spaced dates.

dollar_format

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

zero_range

Determine if range of vector is close to zero, with a specified tolerance

probability_trans

Probability transformation.

rescale

Rescale numeric vector to have specified minimum and maximum.

cbreaks

Compute breaks for continuous scale.

dichromat_pal

Dichromat (colour-blind) palette (discrete).

squish_infinite

Squish infinite values to range.

cscale

Continuous scale.

date_trans

Transformation for dates (class Date).

trans_new

Create a new transformation object.

rescale_none

Don't peform rescaling

rescale_pal

Rescale palette (continuous).

brewer_pal

Color Brewer palette (discrete).

squish

Squish values into range.

expand_range

Expand a range with a multiplicative or additive constant.

area_pal

Point area palette (continuous).

trans_format

Format labels after transformation.

fullseq

Generate sequence of fixed size intervals covering range.

linetype_pal

Line type palette (discrete).

pretty_breaks

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

log1p_trans

Log plus one transformation.

log_trans

Log transformation.

trans_breaks

Pretty breaks on transformed scale.

shape_pal

Shape palette (discrete).

grey_pal

Grey scale palette (discrete).

div_gradient_pal

Diverging colour gradient (continous).

muted

Mute standard colour.

boxcox_trans

Box-Cox power transformation.

atanh_trans

Arc-tangent transformation.

package-scales

Generic plot scaling methods

dscale

Discrete scale.

reciprocal_trans

Reciprocal transformation.

scientific_format

Scientific formatter.

rescale_mid

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

sqrt_trans

Square-root transformation.

Range

Mutable ranges.

reverse_trans

Reverse transformation.

seq_gradient_pal

Sequential colour gradient palette (continous).

trans_range

Compute range of transformed values.

percent_format

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

math_format

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