Need help with a homeowrk question. There can be more than one answer Which of t

Question

Need help with a homeowrk question. There can be more than one answer

Which of the following are ways of validating a regression model:

Collect new data and compare the results

Validate the model by using the data that was used to develop it

Compare the results of the regression model to previous results

If the data set is large, split the data into two parts and cross-validate the results

Collect new data and compare the results

Validate the model by using the data that was used to develop it

Compare the results of the regression model to previous results

If the data set is large, split the data into two parts and cross-validate the results

Explanation / Answer

Answer: Option A, C & D

The final step in the model-building process is to validate the selected regression model, these are the following ways of validating a regression model:

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