Data rarely comes in usable form. Data wrangling and exploratory data analysis are the difference between a good data science model and garbage in, garbage out. Novice data scientists sometimes have ...
To understand the nature of Twitter conversations, the Pew Research Center Internet Project joined with researchers at the Social Media Research Foundation, a group of scholars whose mission is to ...
R is a free computing and graphical software/environment for statistical analysis. Part 1 of this short course consists of 2 sections: Section 1 introduces R programming basics, including data objects ...
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