Visualizing correlation matrices
Looking at the components of a correlation matrix can be an important diagnostic tool. Simply looking at a table of numbers isn’t practical for a matrix larger than say, 4×4, so graphical visualization tools come into play. Various methods have been proposed in the past, from heat maps to correlation ellipses. Taiyun Wei offers an alternative: correlation circles. Positive correlations are illustrated with a filled black circle; negative ones with a white circle outlined in black:
…
Looking at the components of a correlation matrix can be an important diagnostic tool. Simply looking at a table of numbers isn’t practical for a matrix larger than say, 4×4, so graphical visualization tools come into play. Various methods have been proposed in the past, from heat maps to correlation ellipses. Taiyun Wei offers an alternative: correlation circles. Positive correlations are illustrated with a filled black circle; negative ones with a white circle outlined in black:
You must log in to post a comment.