scale palette スケールとパレット viridis ggplot2

組み合わせ


                             Table 12.1: Discrete fill and color scales
Fill scale	                                Color scale	                                        Description
scale_fill_discrete()	scale_colour_discrete()	        Colors evenly spaced around the color wheel (same as hue)
scale_fill_hue()	        scale_colour_hue()	                Colors evenly spaced around the color wheel (same as discrete)
scale_fill_grey()	        scale_colour_grey()	                Greyscale palette
scale_fill_viridis_d()	scale_colour_viridis_d()	Viridis palettes
scale_fill_brewer()	        scale_colour_brewer()	        ColorBrewer palettes
scale_fill_manual()	        scale_colour_manual()	        Manually specified colors

サンプル

viridis

library(viridis)
# viridis, discrete scale, palette = 'A' for 'magma'
p <- p + scale_color_viridis_d(name='spx daily return',
label=c('more than 0.01','between 0.01 and 0.005','between 0.005 and 0','between 0 and -0.005','between -0.005 and -0.01','less than -0.01'),
option = "A")

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