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C Library Functions  - sd (3)

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NAME

sd(3f) - [M_datapac:STATISTICS] compute the standard deviation of a vector of observations

CONTENTS

Synopsis
Description
Options
Examples
Author
Maintainer
License
References

SYNOPSIS

SUBROUTINE SD(X,N,Iwrite,Xsd)

DESCRIPTION

sd(3f) computes the sample standard deviation (with denominator n-1) of the data in the input vector x.

the sample standard deviation = sqrt((the sum of the squared deviations about the sample mean)/(n-1)).

OPTIONS

X	description of parameter
Y	description of parameter

EXAMPLES

Sample program:

   program demo_sd
   use M_datapac, only : sd
   implicit none
   ! call sd(x,y)
   end program demo_sd

Results:

AUTHOR

The original DATAPAC library was written by James Filliben of the Statistical Engineering Division, National Institute of Standards and Technology.

MAINTAINER

John Urban, 2022.05.31

LICENSE

CC0-1.0

REFERENCES

o	Snedecor and Cochran, Statistical Methods, Edition 6, 1967, page 44.
o	Dixon and Massey, Introduction to Statistical Analysis, Edition 2, 1957, pages 19, 76.

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Nemo Release 3.1

sd (3)

February 23, 2025

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