The MEANS Procedure

# Example 4: Using a CLASSDATA= Data Set with Class Variables

Procedure features:

PROC MEANS statement options:

 CLASSDATA= EXCLUSIVE FW= MAXDEC= PRINTALLTYPES

CLASS statement

Data set: CAKE

This example

• specifies the field width and decimal places of the displayed statistics

• uses only the values in CLASSDATA= data set as the levels of the combinations of class variables

• calculates the range, median, minimum, and maximum

• displays all combinations of the class variables in the analysis.

 `options nodate pageno=1 linesize=80 pagesize=60;`
 ```data caketype; input Flavor \$ 1-10 Layers 12; datalines; Vanilla 1 Vanilla 2 Vanilla 3 Chocolate 1 Chocolate 2 Chocolate 3 ;```
 ```proc means data=cake range median min max fw=7 maxdec=0 classdata=caketype exclusive printalltypes;```
 ``` var TasteScore; ```
 ` class flavor layers;`
 ``` title 'Taste Score For Number of Layers and Cake Flavor'; run;```

 ``` Taste Score For Number of Layers and Cake Flavor 1 The MEANS Procedure Analysis Variable : TasteScore N Obs Range Median Minimum Maximum ----------------------------------------------- 13 22 80 72 94 ----------------------------------------------- Analysis Variable : TasteScore N Layers Obs Range Median Minimum Maximum ---------------------------------------------------------- 1 8 19 82 75 94 2 5 20 75 72 92 3 0 . . . . ---------------------------------------------------------- Analysis Variable : TasteScore N Flavor Obs Range Median Minimum Maximum ------------------------------------------------------------- Chocolate 8 20 81 72 92 Vanilla 5 21 80 73 94 ------------------------------------------------------------- Analysis Variable : TasteScore N Flavor Layers Obs Range Median Minimum Maximum ------------------------------------------------------------------------ Chocolate 1 5 6 83 79 85 2 3 20 75 72 92 3 0 . . . . Vanilla 1 3 19 80 75 94 2 2 14 80 73 87 3 0 . . . . ------------------------------------------------------------------------ ```

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