Search for tag: "grammars"
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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Grouped Expressions.mp4A grouped expression is a collection of R commands or expressions enclosed in curly brackets {}. R regards a grouped expression as a single expression with a single value, although when such an…
From Daniel Hall
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PROC SGPLOT - Part 2 (Histograms and Densities)In this video, we illustrate the use of PROC SGPLOT for producing histograms and show how to specify options to modify the binning scheme and/or switch from a relative frequency scale to absolute…
From Daniel Hall
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Arrays and Indexed DO-END GroupsIn SAS, arrays provide a convenient way to refer to other variables via an index-able alias. This is convenient when you want to do the same operation on multiple variables in a data set. Having an…
From Daniel Hall
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Examples of List Input-Part 2This video illustrates list input when an observation spans two or more lines on the input file. It also shows how SAS handles an invalid data value when reading data into a numeric variable.
From Daniel Hall
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