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The ifelse() function evaluates a logical object (usually a vector-valued logical condition) and returns an object of the same dimension with TRUE values replaced by a value, or vector of values,…
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In this video we introduce read.table() for reading data from an external file into a data frame in R. We illustrate the use of this function via Example #1 in Mod9Script.R; you should download that…
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This video introduces the SET command within a SAS data step for copying one dataset into another or for combining datasets vertically (vertical concatenation). This video covers essential content…
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This video shows our first SAS program, which is called pets.sas. You'll see how to open SAS University Edition, how to open pets.sas in SAS Studio, and you'll learn the general structure…
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