DATA

## Warning: package 'randomForest' was built under R version 4.3.3
## Warning: package 'gmodels' was built under R version 4.3.3

Training and Validation

Random Forest

##                          Attrited Customer Existing Customer
## Customer_Age                  0.0048885284      5.290546e-03
## Gender                        0.0059976298      1.050058e-03
## Dependent_count               0.0010273548      6.119678e-04
## Education_Level              -0.0007544651      1.809427e-05
## Marital_Status                0.0003068270      1.487919e-03
## Income_Category               0.0009654477      5.031246e-04
## Card_Category                 0.0001753997      2.821396e-04
## Months_on_book                0.0044344602      1.904384e-03
## Total_Relationship_Count      0.0260583620      2.860213e-02
## Months_Inactive_12_mon        0.0301317520      8.467021e-04
## Contacts_Count_12_mon         0.0094103123      4.379267e-03
## Credit_Limit                  0.0178470301      1.711312e-02
## Total_Revolving_Bal           0.0571568148      4.940628e-02
## Avg_Open_To_Buy               0.0167224649      1.514316e-02
## Total_Amt_Chng_Q4_Q1          0.0357022716      8.065363e-03
## Total_Trans_Amt               0.1204450616      9.316191e-02
## Total_Trans_Ct                0.2413539136      1.034972e-01
## Total_Ct_Chng_Q4_Q1           0.0681685902      1.447942e-02
## Avg_Utilization_Ratio        -0.0001970127      4.279358e-02
##                          MeanDecreaseAccuracy MeanDecreaseGini
## Customer_Age                     0.0052264409        63.682741
## Gender                           0.0018526039        17.232420
## Dependent_count                  0.0006787484        23.541956
## Education_Level                 -0.0001081564        21.595431
## Marital_Status                   0.0012955379        19.562949
## Income_Category                  0.0005760481        21.897665
## Card_Category                    0.0002642504         4.758797
## Months_on_book                   0.0023133405        48.750948
## Total_Relationship_Count         0.0281910095       128.643527
## Months_Inactive_12_mon           0.0055849724        48.414445
## Contacts_Count_12_mon            0.0051920028        50.822254
## Credit_Limit                     0.0172201199        66.756388
## Total_Revolving_Bal              0.0506832518       199.266082
## Avg_Open_To_Buy                  0.0154019635        61.409084
## Total_Amt_Chng_Q4_Q1             0.0125315573       124.407907
## Total_Trans_Amt                  0.0975791914       353.001163
## Total_Trans_Ct                   0.1257940488       341.542248
## Total_Ct_Chng_Q4_Q1              0.0231448508       212.219826
## Avg_Utilization_Ratio            0.0358517386       126.751497

Cross Table

##                   Attrited Customer Existing Customer class.error
## Attrited Customer               954               200  0.17331023
## Existing Customer                74              5904  0.01237872
## 
##  
##    Cell Contents
## |-------------------------|
## |                       N |
## | Chi-square contribution |
## |           N / Row Total |
## |           N / Col Total |
## |         N / Table Total |
## |-------------------------|
## 
##  
## Total Observations in Table:  2995 
## 
##  
##                    | val$predicted_Attrition_Flag 
## val$Attrition_Flag | Attrited Customer | Existing Customer |         Row Total | 
## -------------------|-------------------|-------------------|-------------------|
##  Attrited Customer |               390 |                83 |               473 | 
##                    |          1579.392 |           257.609 |                   | 
##                    |             0.825 |             0.175 |             0.158 | 
##                    |             0.929 |             0.032 |                   | 
##                    |             0.130 |             0.028 |                   | 
## -------------------|-------------------|-------------------|-------------------|
##  Existing Customer |                30 |              2492 |              2522 | 
##                    |           296.214 |            48.315 |                   | 
##                    |             0.012 |             0.988 |             0.842 | 
##                    |             0.071 |             0.968 |                   | 
##                    |             0.010 |             0.832 |                   | 
## -------------------|-------------------|-------------------|-------------------|
##       Column Total |               420 |              2575 |              2995 | 
##                    |             0.140 |             0.860 |                   | 
## -------------------|-------------------|-------------------|-------------------|
## 
##