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LakshmiInsight23Jun
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lakshmi66
June 23, 2015
Technology
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LakshmiInsight23Jun
Rough draft
lakshmi66
June 23, 2015
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Transcript
Churn modeling: Predic1ng customer churn from Salesforce usage
data Lakshmi Narayan ! Insight Data Science
Data Users Month Hits1 Hits2
. . . Hits65 A Feb 2014 1063 0 . . . . . . A Mar 2014 1709 0 . . . . . . A Apr 2014 1833 0 . . . . . . A May 2014 1051 0 . . . . . . B Sept 2014 0 1 . . . . . . B Oct 2014 0 5 . . . . . . • 7276 users, 417 churned Lakshmi Narayan ! Insight Data Science
Data Users Month Hits1 Hits2
. . . Hits65 A Feb 2014 1063 0 . . . . . . A Mar 2014 1709 0 . . . . . . A Apr 2014 1833 0 . . . . . . A May 2014 1051 0 . . . . . . B Sept 2014 0 1 . . . . . . B Oct 2014 0 5 . . . . . . • 7276 users, 417 churned • 65 ‘Hits’ categories Lakshmi Narayan ! Insight Data Science
Data Users Month Hits1 Hits2
. . . Hits65 A Feb 2014 1063 0 . . . . . . A Mar 2014 1709 0 . . . . . . A Apr 2014 1833 0 . . . . . . A May 2014 1051 0 . . . . . . B Sept 2014 0 1 . . . . . . B Oct 2014 0 5 . . . . . . • 7276 users, 417 churned • 65 ‘Hits’ categories • January 2014 – May 2015 Lakshmi Narayan ! Insight Data Science
Modeling Lakshmi Narayan ! Insight Data Science •
Feature selec1on
Modeling Lakshmi Narayan ! Insight Data Science •
Feature selec1on • Focus on churn
Modeling Lakshmi Narayan ! Insight Data Science •
Feature selec1on • Focus on churn • Approaches
0.00 0.01 0.02 0.00 0.25 0.50 0.75 1.00 Predicted probability
Relative frequency of outcome counts2 200 400 600 800 1000 Lakshmi Narayan ! Insight Data Science
0.00 0.01 0.02 0.00 0.25 0.50 0.75 1.00 Predicted probability
Relative frequency of outcome counts2 200 400 600 800 1000 Accuracy:57% Recall: 70% Lakshmi Narayan ! Insight Data Science
Lakshmi Narayan UC Berkeley