900k_usa_dump.txt -

: Create new variables, such as calculating "Years of Credit History" from "Account Open Date."

: Use StandardScaler or MinMaxScaler to ensure numerical features (like "Income" or "Age") are on a similar scale. 900k_USA_dump.txt

: Handle missing values by using imputation (mean/median) or dropping incomplete rows. : Create new variables, such as calculating "Years

If you transition to a legitimate dataset, here is the standard workflow for preparing features: : Create new variables