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Second round questions are: what according to you is data science? -- Answer will be always subjective, Can't we do non-linearity model using logistic regression? Even if you transform variable and use it in model -- statisticians refer the transformed variable as feature and logit is linear to feature.
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Senior Data Scientist

Interviewed at Sigmoid

4★
Apr 12, 2019

Second round questions are: what according to you is data science? -- Answer will be always subjective, Can't we do non-linearity model using logistic regression? Even if you transform variable and use it in model -- statisticians refer the transformed variable as feature and logit is linear to feature.

We have: [('kevin', 'march', 10), ('mark', 'april', 20), ('bill', 'march', 5), ('mark', 'april', 5), ('sarah', 'march', 2), ('sarah', 'may', 5),] Determine each person has how many records in 'march'. You are allowed just to use built-in functions.
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Senior Data Scientist

Interviewed at NIKE

3.9★
May 15, 2024

We have: [('kevin', 'march', 10), ('mark', 'april', 20), ('bill', 'march', 5), ('mark', 'april', 5), ('sarah', 'march', 2), ('sarah', 'may', 5),] Determine each person has how many records in 'march'. You are allowed just to use built-in functions.

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