Escaping RGBland: Selecting Colors for Statistical Graphics
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| Authors | Achim Zeileis, Kurt Hornik, Paul Murrell |
| Journal/Conference Name | Computational Statistics & Data Analysis |
| Paper Category | Other |
| Paper Abstract | Statistical graphics are often augmented by the use of color coding information contained in some variable. When this involves the shading of areas (and not only points or lines)-e.g., as in bar plots, pie charts, mosaic displays or heatmaps-it is important that the colors are perceptually based and do not introduce optical illusions or systematic bias. Based on the perceptually-based Hue-Chroma-Luminance (HCL) color space suitable color palettes are derived for coding categorical data (qualitative palettes) and numerical variables (sequential and diverging palettes). |
| Date of publication | 2009 |
| Code Programming Language | R |
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