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One of the most popular uses for Python, especially in recent years is data processing, analysis and visualisation. This then leads topics such as the analysis of 'big data' which has many applications in pretty much every type of business you can imagine...

One of the strengths of the SGPLOT procedure in SAS is the ease with which you can overlay multiple plots on the same graph. For example, you can easily combine the SCATTER and SERIES statements to add a curve to a scatter plot. However, if you try...

Teaching mathematics is a logical choice for people who are fascinated with using numbers and symbols, functions and equations to solve real-world problems. People who are “fluent in math” and who have a passion for imparting knowledge and helping others...

Link to the Column on Quartz Here is the full text of my 24th Quartz column, that I coauthored with Yichuan Wang, "After crunching Reinhart and Rogoff’s data, we’ve concluded that high debt does not slow growth." It is now brought home...

(This article was originally published at The DO Loop, and syndicated at StatsBlogs.) Loess regression is a nonparametric technique that uses local weighted regression to fit a smooth curve through points in a scatter plot. Loess curves are can reveal...