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[ The following information applies to the questions displayed below. ] For Problems 9 , 1 0 , and 1 1 , we will be
The following information applies to the questions displayed below.
For Problems and we will be cleaning a data file in preparation for subsequent analysis.
The analysis performed on LendingClub data in the chapter was for the years We now use LendingClub data for
Consider the rejected loan data from LendingClub titled "DAA Chapter Data." Similar to the analysis done in the chapter, lets scrub the employment length. Because our analysis requires risk scores, debttoincome data, and employment length, we need to make sure each of them has valid data.
Sort the file based on employment length and remove those observations the complete row or record that have a missing score NA Note that we are including the employment lengths of zero, different than the analysis in the chapter text.
Sort the file based on debttoincome and remove those observations the complete row or record that have a missing score, a score of zero, or a negative score, similar to that done in Problem
Sort the file based on risk score and remove those observations the complete row or record that have a missing score or a score of zero, similar to that done in Problem
There should now be observations. Any thoughts on what biases are imposed when we remove observations? Is there another way to do this?
Run a PivotTable analysis to show the number of Excellent Risk Scores but High DTI Bucket loans in each Employment year bucket.
Required:
After completing the steps above, answer the following questions by inputting the corresponding employment level.
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