Robyn is an experimental, AI/ML-powered and open sourced Marketing Mix Modeling (MMM) package from Meta Marketing Science. Our mission is to democratise modeling knowledge, inspire the industry through innovation, reduce human bias in the modeling process & build a strong open source marketing science community.
Add spend vs effect share comparison plot
Implements dual-axis visualization comparing spend and effect shares Matches R implementation with:
Stacked bar chart for spend/effect percentages Secondary axis for performance metrics Proper color schemes and formatting
Supports both standalone and subplot integration Handles automatic scaling and layout
Testing:
Graph plot by R code