Application of mathematics in data science
Hello, While I am going through all the lectures related to the probability, combinatorics etc., I am still confused as to where exactly these concepts gets applied in the real life data science? Is it during data cleansing or identifying missing values? I am curious to know the...
Confidence interval: 99%
Hello, Lecture 58 (see at 6:20). When choosing the confidence interval of 99%, hence an alpha of 1%, can you please explain why did you choose the value 0.9951 and not 0.9949? Both of these are equidistant to 0.995, and therefore, I was wondering if there was a general...
When can we safely ignore multicollinearity - Article!
Hi there, thanks for sharing this great resource: When can we safely ignore multicollinearity A couple of questions popped up when I was reading it 1. How do you generally define a control variable? And what would be the control variables in our practical example (car...