DA interview process suddently became for DS.. What should I do?

I interviewed for a DA position at a startup in my city. The first interview went great. I've been teaching myself a lot for the past 6 months, investing hours most days learning stuff and trying to apply them to build up a portfolio. I already have an MS in economics and took applied statistics but never coded until six months ago. In that time, I've learned R, postgre, and Python and did a couple of nice applications with them, …

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