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Shell Programming and Scripting

awk Moving Average

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Top Forums Shell Programming and Scripting awk Moving Average
# 8  
Old 08-07-2017
Code:
awk -F, '
{v[$1]=$1; b[$1, ++c[$1]]=($2+=0)}
END{
   for (k in v) {
      for (i=1; i<=c[k]; i++) {
         s=0; ac=0;
         for (j=-2; j<=+2; j++) if (length(b[k, j + i])) {s+=b[k, j + i]; ac++}
         printf("%s,%s,%0.1f\n", k, b[k, i], (s/ac));
      }
   }
}
' infile

Last edited by rdrtx1; 08-07-2017 at 09:23 PM..
This User Gave Thanks to rdrtx1 For This Post:
Don Cragun
# 9  
Old 08-08-2017
Overwhelmed by the response to my question. I was worried i wouldn't get any replys. Thanks drtx1.
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