Figure 7
From: On the predictability of the popularity of online recipes
Feature correlation matrix (Spearman rank correlation) for the Allrecipe.com dataset (main dishes). Non-significant features (\(p<0.05\)) are marked with black dots. Features tested in the prediction experiment are highlighted via red boxes. Significant features are marked with a red asterisk (∗). The gradient color scale to the right ranges from −1 to +1 indicate Spearman rank correlations (\(-1=-100\%\), \(1=100\%\))