The GRADAR Procedure

Example 2: Producing a Basic Radar Chart

Procedure features:

FREQ=

Data set:

FAILURE

Sample library member:

GRRBASIC

[untitled graphic]

In a radar chart, the vertices are determined by the levels of a single variable, which is specified on the CHART statement. In this example, the variable CAUSE is specified as the chart variable. The spokes in the chart start at the twelve o'clock position and go in a clockwise order. The output shows that Contamination and Oxide Defects are the most frequently occurring problems.

The FREQ= option specifies variable COUNT to score vertex lengths. Thus, the values of COUNT weigh the contribution of each observation in the computation of the chart statistic.

goptions reset=all;

proc gradar data=failure;
    chart cause / freq=count;
run;
quit;

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