3 ms·
Bash for i in {1..6}; do COL='$'$i; awk -F, "{delta = $COL - avg; avg += delta / NR; mean2 += delta * ($COL - avg); } END { print sqrt(mean2 / NR); }" list.csv
by Cieplak 15y ago
Bash
for i in {1..6}; do COL='$'$i; awk -F, "{delta = $COL - avg; avg += delta / NR; mean2 += delta * ($COL - avg); } END { print sqrt(mean2 / NR); }" list.csv; done
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