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ministat - Online in the Cloud

Run ministat in OnWorks free hosting provider over Ubuntu Online, Fedora Online, Windows online emulator or MAC OS online emulator

This is the command ministat that can be run in the OnWorks free hosting provider using one of our multiple free online workstations such as Ubuntu Online, Fedora Online, Windows online emulator or MAC OS online emulator

PROGRAM:

NAME


ministat — statistics utility

SYNOPSIS


ministat [-Ans] [-C column] [-c confidence_level] [-d delimiter] [-w [width]] [file ...]

DESCRIPTION


The ministat command calculates fundamental statistical properties of numeric data in the
specified files or, if no file is specified, standard input.

The options are as follows:

-A Just report the statistics of the input and relative comparisons, suppress the
ASCII-art plot.

-n Just report the raw statistics of the input, suppress the ASCII-art plot and the
relative comparisons.

-s Print the average/median/stddev bars on separate lines in the ASCII-art plot, to
avoid overlap.

-C column Specify which column of data to use. By default the first column in the input
file(s) are used.

-c confidence_level
Specify desired confidence level for Student's T analysis. Possible values are
80, 90, 95, 98, 99 and 99.5 %

-d delimiter
Specifies the column delimiter characters, default is SPACE and TAB. See
strtok(3) for details.

-w width Width of ASCII-art plot in characters. The default is the terminal width, or 74
if standard output is not a terminal.

A sample output could look like this:

$ ministat -s -w 60 iguana chameleon
x iguana
+ chameleon
+------------------------------------------------------------+
|x * x * + + x +|
| |________M______A_______________| |
| |________________M__A___________________| |
+------------------------------------------------------------+
N Min Max Median Avg Stddev
x 7 50 750 200 300 238.04761
+ 5 150 930 500 540 299.08193
No difference proven at 95.0% confidence

If ministat tells you, as in the example above, that there is no difference proven at 95%
confidence, the two data sets you gave it are for all statistical purposes identical.

You have the option of lowering your standards by specifying a lower confidence level:

$ ministat -s -w 60 -c 80 iguana chameleon
x iguana
+ chameleon
+------------------------------------------------------------+
|x * x * + + x +|
| |________M______A_______________| |
| |________________M__A___________________| |
+------------------------------------------------------------+
N Min Max Median Avg Stddev
x 7 50 750 200 300 238.04761
+ 5 150 930 500 540 299.08193
Difference at 80.0% confidence
240 +/- 212.215
80% +/- 70.7384%
(Student's t, pooled s = 264.159)

But a lower standard does not make your data any better, and the example is only included
here to show the format of the output when a statistical difference is proven according to
Student's T method.

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