- Surname: corresponds to the record (row) number and has no effect on the output.
- CreditScore: contains random values and has no effect on customer leaving the bank.
- Geography: a customer’s location can affect their decision to leave the bank.
- Gender: it’s interesting to explore whether gender plays a role in a customer leaving the bank.
- Age: this is certainly relevant, since older customers are less likely to leave their bank than younger ones.
- Tenure: refers to the number of years that the customer has been a client of the bank. Normally, older clients are more loyal and less likely to leave a bank.
- NumOfProducts: refers to the number of products that a customer has purchased through the bank.
- HasCrCard: denotes whether or not a customer has a credit card. This column is also relevant, since people with a credit card are less likely to leave the bank.
- IsActiveMember: active customers are less likely to leave the bank.
- EstimatedSalary: as with balance, people with lower salaries are more likely to leave the bank compared to those with higher salaries.
- Exited: (Dependent Variable): whether or not the customer left the bank.
- Balance:also a very good indicator of customer churn, as people with a higher balance in their accounts are less likely to leave the bank compared to those with lower balances.
As we know, it is much more expensive to sign in a new client than keeping an existing one.
It is advantageous for banks to know what leads a client towards the decision to leave the company.
Churn prevention allows companies to develop loyalty programs and retention campaigns to keep as many customers as possible.