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Reg Multiple Variable linear regression exercise #7

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srmuslay opened this issue Feb 8, 2019 · 1 comment
Open

Reg Multiple Variable linear regression exercise #7

srmuslay opened this issue Feb 8, 2019 · 1 comment

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@srmuslay
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@srmuslay srmuslay commented Feb 8, 2019

for Experience column, why you have filled empty values to zeros.
why mean values are not filled like column test_score

@Have-Purple
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@Have-Purple Have-Purple commented May 23, 2019

I think the logic for this is arbitrary. If you were an HR employee and did not have "experience" data for a candidate you would probably assume the candidate had "zero years" experience

I also have a gripe with step #34 in the solution where the author changes from median to mean for the test_score values. I assigned median value of "8" instead of the mean value "7" to the missing test score and my predictions were a little off but close.

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