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dchakro 2023-08-22 13:46:49 -07:00
parent 949ee59554
commit e344473f7d
1 changed files with 41 additions and 51 deletions
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82
returnPalette.R
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@ -1,28 +1,36 @@
returnPalette <- function(ColorVariable = NULL, GNE.colors = F) { returnPalette <-
# #<----------------------------> function(ColorVariable = NULL,
# # You must include this section when: GNE.colors = F,
# # Distributing, Using and/or Modifying this code. jumble = T) {
# # Please read and abide by the terms of the included LICENSE. # #<---------------------------->
# # Copyright 2023, Deepankar Chakroborty, All rights reserved. # # You must include this section when:
# # # # Distributing, Using and/or Modifying this code.
# # Author : Deepankar Chakroborty (https://github.com/dchakro) # # Please read and abide by the terms of the included LICENSE.
# # Website: https://www.dchakro.com # # Copyright 2023, Deepankar Chakroborty, All rights reserved.
# # Report issues: https://github.com/dchakro/shared_Rscripts/issues # #
# # License: https://github.com/dchakro/shared_Rscripts/blob/master/LICENSE # # Author : Deepankar Chakroborty (https://github.com/dchakro)
# #<----------------------------> # # Website: https://www.dchakro.com
# # Report issues: https://github.com/dchakro/shared_Rscripts/issues
# # License: https://github.com/dchakro/shared_Rscripts/blob/master/LICENSE
# #<---------------------------->
# # PURPOSE: # # PURPOSE:
# # Generates an appropriate palette for categorical data based on its length # # Generates an appropriate palette for categorical data based on its length
if (class(ColorVariable) == "character") { if (class(ColorVariable) == "character") {
colorsNeeded <- length(unique(ColorVariable)) colorsNeeded <- length(unique(ColorVariable))
}
if (class(ColorVariable) == "factor") {
colorsNeeded <- length(levels(ColorVariable))
}
if (colorsNeeded < 1) { if (colorsNeeded < 1) {
myPalette <- c("#DD0000") myPalette <- c("#DD0000")
warning("Nothing to return color for.") warning("Nothing to return color for.")
} }
if (colorsNeeded > 1 & colorsNeeded < 10 & GNE.colors == T) { if (colorsNeeded > 1 &
colorsNeeded < 10 & GNE.colors == T) {
myPalette <- myPalette <-
c( c(
"#003087", "#003087",
@ -41,38 +49,20 @@ returnPalette <- function(ColorVariable = NULL, GNE.colors = F) {
palette = "Classic Tableau") palette = "Classic Tableau")
} else if (colorsNeeded >= 10 & colorsNeeded < 18) { } else if (colorsNeeded >= 10 & colorsNeeded < 18) {
set.seed(2023) set.seed(2023)
myPalette <- c(palette.colors(n = 10, myPalette <- c(
palette = "Classic Tableau"), palette.colors(n = 10,
palette.colors(n = colorsNeeded - 10, palette = "Classic Tableau"),
palette = "Set3")) palette.colors(n = colorsNeeded - 10,
palette = "Set3")
)
set.seed(2023) set.seed(2023)
myPalette <- sample(myPalette) myPalette <- sample(myPalette)
} else if (colorsNeeded >= 18) { } else if (colorsNeeded >= 18 & jumble) {
myPalette <- sample(hcl.colors(n = colorsNeeded, myPalette <- sample(hcl.colors(n = colorsNeeded,
palette = "Spectral")) palette = "Spectral"))
} else if (colorsNeeded >= 18 & !jumble) {
myPalette <- hcl.colors(n = colorsNeeded,
palette = "Spectral")
} }
return(myPalette)
} }
if (class(ColorVariable) == "factor") {
colorsNeeded <- length(levels(ColorVariable))
if (colorsNeeded < 1) {
myPalette <- c("#DD0000")
warning("Nothing to return color for.")
}
if (colorsNeeded > 1 & colorsNeeded < 10) {
myPalette <- palette.colors(n = colorsNeeded,
palette = "Classic Tableau")
} else if (colorsNeeded >= 10 & colorsNeeded < 18) {
set.seed(2023)
myPalette <- c(palette.colors(n = 10,
palette = "Classic Tableau"),
palette.colors(n = colorsNeeded - 10,
palette = "Set2"))
set.seed(2023)
myPalette <- sample(myPalette)
} else if (colorsNeeded >= 18) {
myPalette <- sample(hcl.colors(n = colorsNeeded,
palette = "Spectral"))
}
}
return(myPalette)
}