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Awk: Perform a rolling average on a column of data

Terminal - Awk: Perform a rolling average on a column of data
awk 'BEGIN{size=5} {mod=NR%size; if(NR<=size){count++}else{sum-=array[mod]};sum+=$1;array[mod]=$1;print sum/count}' file.dat
2009-05-29 00:07:24
User: mungewell
Functions: awk
3
Awk: Perform a rolling average on a column of data

Sometimes jittery data hides trends, performing a rolling average can give a clearer view.

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Terminal - Alternatives

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