Data Scientist Question:

Tell me why is resampling done?

Data Scientist Interview Question
Data Scientist Interview Question

Answer:

Resampling is done in any of these cases:

☛ Estimating the accuracy of sample statistics by using subsets of accessible data or drawing randomly with replacement from a set of data points
☛ Substituting labels on data points when performing significance tests
☛ Validating models by using random subsets (bootstrapping, cross validation)


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