Specifying the Style of Stars

Graphical Enhancements

Specifying the Style of Stars

See SHWSTR2 in the SAS/QC Sample Library

The following statements create star charts for paint index using different styles for the stars specified with the STARTYPE= option:

   title 'Variables Related to Paint Index';
 
   proc shewhart history=paint limits=paintlim;
   
      xchart pindex * hour /
         nolegend
         starvertices = ( thick gloss defects dust humid temp )
         starstart    = '1:00'T
         startype     = wedge
         cframe       = vibg
         cstars       = salmon
         cconnect     = salmon
         cinfill      = ywh;

      xchart pindex * hour /
         nolegend
         starvertices = ( thick gloss defects dust humid temp )
         starstart    = '1:00'T
         startype     = radial
         cframe       = vibg
         cstars       = salmon
         cconnect     = salmon
         cinfill      = ywh;

      xchart pindex * hour /
         nolegend
         starvertices = ( thick gloss defects dust humid temp )
         starstart    = '1:00'T
         startype     = spoke
         cframe       = vibg
         cstars       = salmon
         cconnect     = salmon
         cinfill      = ywh;

      xchart pindex * hour /
         nolegend
         starvertices = ( thick gloss defects dust humid temp )
         starstart    = '1:00'T
         startype     = corona
         cframe       = vibg
         cstars       = salmon
         cconnect     = salmon
         cinfill      = ywh;

run;

The charts are shown in Figure 47.18, Figure 47.19, Figure 47.20, and Figure 47.21. The default style for the stars is STARTYPE=POLYGON, which is illustrated in Figure 47.16 and Figure 47.17. For more information, see the entry for the STARTYPE= option in Chapter 46, "Dictionary of Options."

Figure 47.18: Star Chart Using STARTYPE=WEDGE

Figure 47.19: Star Chart Using STARTYPE=RADIAL

Figure 47.20: Star Chart Using STARTYPE=SPOKE

Figure 47.21: Star Chart Using STARTYPE=CORONA

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