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datamash

Tool to perform basic numeric, textual and statistical operations on input textual data files.

More information.

Get max, min, mean and median of a single column of numbers:

seq 3 | datamash max 1 min 1 mean 1 median 1

Get the mean of a single column of float numbers (floats must use "," and not "."):

echo -e '1.0\n2.5\n3.1\n4.3\n5.6\n5.7' | tr '.' ',' | datamash mean 1

Get the mean of a single column of numbers with a given decimal precision:

echo -e '1\n2\n3\n4\n5\n5' | datamash -R {number_of_decimals_wanted} mean 1

Get the mean of a single column of numbers ignoring "Na" and "NaN" (literal) strings:

echo -e '1\n2\nNa\n3\nNaN' | datamash --narm mean 1

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