# nifti_stats - Online in the Cloud

This is the command nifti_stats 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

nifti_stats - compute NIfTI statistical functions

#### SYNOPSIS

nifti_stats [-q|-d|-1|-z] value CODE [p1 p2 p3]

#### DESCRIPTION

nifti_stats supports several distributions (normal, uniform, logistic, chi, etc.) and
calculates density or cummulative distribution function (and many more). Values are
printed to stdout and can be piped to other tools.

value can be a single number or in the form bot:top:step.
default ==> output p = Prob(statistic < val).

-q ==> output is 1-p.

-d ==> output is density.

-1 ==> output is x such that Prob(statistic < x) = val.

-z ==> output is z such that Normal cdf(z) = p(val).

-h ==> output is z such that 1/2-Normal cdf(z) = p(val).

Allowable CODEs:

CORREL, TTEST, FTEST, ZSCORE, CHISQ, BETA, BINOM, GAMMA, POISSON, NORMAL, FTEST_NONC,
CHISQ_NONC, LOGISTIC, LAPLACE, UNIFORM, TTEST_NONC, WEIBULL, CHI, INVGAUSS, EXTVAL, PVAL,
LOGPVAL and LOG10PVAL

Following CODE are distributional parameters, as needed.

Results are written to stdout, 1 number per output line.

#### EXAMPLE

Piping output into AFNI program 1dplot:

nifti_stats -d 0:4:.001 INVGAUSS 1 3 | 1dplot -dx 0.001 -stdin

Use nifti_stats online using onworks.net services

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