Pregunta | Respuesta |
SAS stands for... | Statistical Analysis System |
SAS Interface | Editor, Log, Output, Results Viewer, Results, Explorer |
Editor | This is where you write SAS programs. It includes color coding for the DATA and PROC steps, and allows you toe expand or collapse sections of code. |
Log | This window contains information about your SAS run and will list any errors that are encountered |
Output | By default, nothing appears in this window, though you can specify it such that output is written here. |
Results Viewer | This window opens if there are printable results after running your program. |
Results | This window provides some navigation through the output in the results viewer window. This is especially useful if you have written a program that produces a lot of output |
Explorer | This is a navigation window, giving you access to your files and data sets. |
What must be placed at the end of each statement to avoid errors in SAS? | you end each statement with a semicolon |
The Two main building blocks of each program | 1) the DATA step 2) the PROC step |
DATA step | This is where the data are defined, directly inputted or loaded from an external source. The DATA step can also involve manipulating variables or creating new variables from existing ones. |
PROC step | This step uses a number of procedures used to analyze data. |
PROC PRINT | this procedure is used to print data and intermediate or final results. |
PROC MEANS | This calculates sample means and variance, among other things |
PROC TTEST | This procedure conducts hypothesis tests. |
PROC REG | This procedure is used to estimate regression models |
PROC SGPLOT | This procedure can produce a wide range of graphs and data plots |
3 ways to run a program in SAS | 1) Click the little "runner" button in the toolbar at the top of the screen 2) Go through the menus run --> submit 3) Type submit in the command line, left of the toolbar buttons |
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