Shortcut to a specific JCO 4 color palette from ggsci package.
Usage
JCO_Four()
Arguments
Value
4 color palette from the JCO ggsci palette
References
Selection of colors from the JCO palette from ggsci being called through paletteer.
See ggsci for more info on palettes
https://CRAN.R-project.org/package=ggsci