The process involves two stages. First, collate individual cases of raw data together with a grouping variable. Second, perform which calculation you want on each...

The process involves two stages. First, collate individual cases of raw data together with a grouping variable. Second, perform which calculation you want on each...

If you have ever spent any time investigating where the cool kids play in the data visualization world you will know it is all about...

How does Linear Discriminant Analysis work and how do you use it in R? This post answers these questions and provides an introduction to Linear...

The goodness of fit for data reduction techniques such as MDS and t-SNE can be easily assessed with Shepard diagrams. A Shepard diagram compares how far apart your data points are before and after you transform...

Google Trends shows the changes in the popularity of search terms over a given time (i.e., number of hits over time). It can be used to find search terms with growing or decreasing popularity or to review periodic variations from the past such as seasonality. Google Trends search data can be added to other analyses, Related Post Gradient boosting in...

Google Trends shows the changes in the popularity of search terms over a given time (i.e., number of hits over time). It can be used to find search terms with growing or decreasing popularity or...

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