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Barcharts in R.mp4Although plot() can produce bar charts, the barplot() function is often more convenient. In this video we introduce this function and illustrate its use to produce bar charts that display one and…
From Daniel Hall
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The plot() Function.mp4The plot() function is the ultimate generic function in R. It is highly flexible, and produces a variety of different plot types depending upon the class of the objects that it operates on and the…
From Daniel Hall
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Creating Frequency Tables in RFrequency distributions (univariate and joint) can be displayed in contingency tables, or cross-tabulations. In this video we show how tapply() can be used to create such tables, but we…
From Daniel Hall
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Repeatedly Applying Functions to Data - Part 1 (tapply())The tapply() function is one of several "apply" functions in R that allow a function to operate on data repeatedly. The function tapply() applies a function to groups of observations within…
From Daniel Hall
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PROC SGPLOT - Part 3 (Boxplots)In this video we review the anatomy of a boxplot and show how to use PROC SGPLOT to produce vertical or horizontal boxplots. We show how to produce side-by-side boxplots as well as clustered…
From Daniel Hall
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PROC SGPLOT - Part 1 (Bar Charts)PROC SGPLOT implements a wide variety of different plot types. In this video, we introduce the procedure and illustrate how to use it to produce bar charts that display frequency distributions or…
From Daniel Hall
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