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Ch. 20 Communicate Model Insights (5 types of info communicated during…
Ch. 20 Communicate Model Insights
communicating insights
presentations should be adjusted based on personal experiences w/ audience
prepare for questions
tell people they can chat after
prepare a faq slide
5 types of info communicated during presentation
business problem
model quality metrics (confusion matrix)
areas where model struggles
most predictive features for model building
recommended business actions
Unlocking Holdout
done to make sure that there were no mistakes in the model creation process
best outcome: order of models do not change between sorts
second-best outcome: when the top models stay at the top of the list
Business Problem First
business problem should guide model building throughout process
Pre-processing and Model Quality Matrix
use confusion matrix with annotations
graph of positive predictive value
Areas Where Model Struggles
problems could arise form internal data
unclear if external data could be useful
Kinds of Features to Consider Before Going to a Presentation
features that need to be changed
features requiring further investigation
immutable features
mutable features