GNU datamash is command-line program which performs simple calculation (e.g. count, sum, min, max, mean, stdev, string coalescing) on input files. Datamash has a rich set of statistical functions, to quickly assess information in textual input files. An example of calculating basic statistic (mean, 1st quartile, median, 3rd quarile, IQR, sample-standard-deviation, and p-value of Jarque-Bera test for normal distribution:
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