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BIOS 7010 Two-Sample T Procedures Part 6.mp4

From  Ivonne Marie Berges 1 plays 0  

Repetitive Execution - Part 2 (repeat and while Loops)

In this video we introduce the repeat and while loops. There are small differences in the syntax of the three types of loops in R, which may make one form more convenient than another in any given…

From  Daniel Hall 146 plays 0  

Conditional Execution - Part 3 (The switch() Function).mp4

The ifelse() function and if-else statements can be used to evaluate one of two expressions or chunks of code depending upon a Boolean logical condition. However, these constructions must be chained…

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From  Daniel Hall 59 plays 0  

Conditional Execution - Part 2 (The if Statement).mp4

Conditional execution is a fundamental technique in all computer programming and most computing languages have an if statement. The if and if else statements in R are similar to those in other…

From  Daniel Hall 68 plays 0  

PROC TRANSPOSE - Part 1 (Transposing Observations into Variables)

Rearranging (or re-shaping) a data set can be done in several different ways in SAS. PROC TRANSPOSE is one important tool for such operations. Here we show how to use PROC TRANSPOSE to convert…

From  Daniel Hall 384 plays 0  

Introduction to the OUTPUT Statement

Several SAS PROCs have an OUTPUT statement. But here we discuss the OUTPUT statement in a data step. It is used to write the current observation (the contents of the Program Data Vector) to a data…

From  Daniel Hall 249 plays 0