Day 16 – little helper statworx_palette

December 16, 2018
By

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We at STATWORX work a lot with R and we often use the same little helper functions within our projects. These functions ease our daily work life by reducing repetitive code parts or by creating overviews of our projects. At first, there was no plan to make a package, but soon I realised, that it will be much easier to share and improve those functions, if they are within a package. Up till the 24th December I will present one function each day from helfRlein. So, on the 16th day of Christmas my true love gave to me…

door-16-statworx-palette

What can it do?

This little helper is an addition to yesterday's sci_palette(). We picked colors 1, 2, 3, 5 and 10 to create a flexible color palette. If you need 100 different colors – say no more!

How to use it?

In contrast to sci_palette() the return value is a character vector. For example if you want 16 colors:

statworx_palette(16)
[1] "#013848" "#004C63" "#00617E" "#00759A" "#0087AB" "#008F9C" "#00978E" "#009F7F"
[9] "#219E68" "#659448" "#A98B28" "#ED8208" "#F36F0F" "#E45A23" "#D54437" "#C62F4B"

If we now plot those colors, we get a nice rainbow like color gradient.

library(ggplot2)

ggplot(plot_data, aes(x = X, y = Y)) +
  geom_point(pch = 16, size = 15, color = statworx_palette(16)) +
  theme_minimal()

day-16-statworx-palette

An additional feature is the reorder parameter, which samples the color's order so that neighbours might be a bit more distinguishable. You can also use other colors from sci_palette() with basecolors.

ggplot(plot_data, aes(x = X, y = Y)) +
  geom_point(pch = 16, size = 15,
             color = statworx_palette(16, basecolors = c(4,8,10))) +
  theme_minimal()

day-16-statworx-palette-basecolors

Overview

To see all the other functions you can either check out our GitHub or you can read about them here.

Have a merry advent season!

Über den Autor

Jakob Gepp

Jakob Gepp

Numbers were always my passion and as a data scientist and statistician at STATWORX I can fullfill my nerdy needs. Also I am responsable for our blog. So if you have any questions or suggestions, just send me an email!

ABOUT US


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