That served as a segue to mention topics related to big data ha! As a first step, I looked at the posting breakdown by city for the top 10 most common cities for both R and python jobs searches. The terms are sorted in descending order with respect to their weighting on each topic. After the first two cities, things begin to diverge. After feeding ldatuning a document term matrix DTM , it will return a few different metrics for assessing the number of topics to move forward with. The Type A data scientist may be an expert in experimental design, forecasting, modeling, statistical inference, or other things typically taught in statistics departments. And vice versa for python data science jobs. Multiple topics seem to be representing the health and healthcare industries 18,
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