Interview Query

Variable Error

Have you seen this question before?

Assume you have a logistic model that is heavily weighted on one variable and that one variable has sample data like 50.00, 100.00, 40.00, etc….

Next let’s assume that there was a data quality issue with that variable and an unknown number of values removed the decimal point. For example 100.00 turned into 10000.

Would the model still be valid? Why or why not? How would you fix the model?

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