In Subtleties of Color, Robert Simmon emphasizes different functions that colors play in data visualization. Choosing colors for a data visualization is not just simply looking for random color combination from any color palettes. Instead, an appropriate use of colors could improve the meaning, clarity, storytelling, and readability behind the…
The introductory chapter of Data Visualization for Social Science by Kieran Healy points out three essential values for visualizing data: aesthetics, data quality, and human perception. The importance of aesthetics and data quality look very obvious for me, but I did not realize why perception would cause bad visualization until…
Intro to Tree MapsTree maps usually represent a hierarchical structure of a large amount of data in the form of the size of rectangles and color scale. It provides a clear view of the complexity of the data and the comparison among different types of data. However, it is not…