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sanmai/README.md

Created May 27, 2017 02:51
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standard deviation of an arbitrary numbers in bash with octave
Raw
README.md

Sample usage:

seq 1 1000 | ./stddev.sh

Sample output:

MEAN	68%	95%	97%
500.50    789.32   1078.14   1366.96
Raw
stddev.sh
#!/bin/sh
octave --eval "$(cat <<-'EOF'
val = scanf("%f");
stddev = std(val);
mean = mean(val);
disp(" MEAN\t68%\t95%\t97%");
disp([mean mean + stddev mean + 2*stddev mean + 3*stddev]);
EOF
)"
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