How common is live coding interview for data scientist?

Yesterday I had a surprise live coding interview where I had to basically prepare an exploratory analysis and model in front of an audience. The data understanding/processing part was all right, but I completely froze when I was requested to make any inference. I wrote the hypothesis of the problem, but I got anxious searching for the right libraries to achieve what I wanted. So I realised I can't get an inference from a random dataset in less than a …

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