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On Being a Data Scientist

When people ask me what it means to be a data scientist, I used to answer, “it means you don’t have to hold my hand.” By which I meant that as a data scientist (a consulting data scientist), I can handle the data collection, the data cleaning and wrangling, the analysis, and the final presentation of results (both technical and for the business audience) with a minimal amount of assistance from my clients or their people. Not no assistance, of course, but little enough that I’m not interfering too much with their day-to-day job.

This used to be a key selling point, because people with all the necessary skills used to be relatively rare. This is less true now; data science is a hot new career track. Training courses and academic tracks are popping up all over the place. So there is the question: what should such courses teach? Or more to the heart of the question — what does a data scientist do, and what do they need to know?

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