Assignment 9
Allison Bridgman and Danielle Stamos
2024-04-18
Variable Importance Using MeanDecreaseAccuracy
Variable Importance Using MeanDecreaseGini
Cross Table
##
##
## Cell Contents
## |-------------------------|
## | N |
## | Chi-square contribution |
## | N / Row Total |
## | N / Col Total |
## | N / Table Total |
## |-------------------------|
##
##
## Total Observations in Table: 3066
##
##
## | val$predicted_Attrition_Flag
## val$Attrition_Flag | Attrited Customer | Existing Customer | Row Total |
## -------------------|-------------------|-------------------|-------------------|
## Attrited Customer | 400 | 100 | 500 |
## | 1521.378 | 252.213 | |
## | 0.800 | 0.200 | 0.163 |
## | 0.917 | 0.038 | |
## | 0.130 | 0.033 | |
## -------------------|-------------------|-------------------|-------------------|
## Existing Customer | 36 | 2530 | 2566 |
## | 296.449 | 49.145 | |
## | 0.014 | 0.986 | 0.837 |
## | 0.083 | 0.962 | |
## | 0.012 | 0.825 | |
## -------------------|-------------------|-------------------|-------------------|
## Column Total | 436 | 2630 | 3066 |
## | 0.142 | 0.858 | |
## -------------------|-------------------|-------------------|-------------------|
##
## Customer Retention Program Cost: $100 x 438 = $43,800 30% Success Rate: 409 x .30 = 122.7 Value of customer retained: 122.7 x $2,300 = $282,210 Net Value: $238,410 Value Per Customer: $238,410 / 3080
This model will generate $77.41 per customer. This model will generate $7,741,000 per 100,000 customers.