Man page - pkstat(1)

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Manual

pkstat

NAME
SYNOPSIS
DESCRIPTION
OPTIONS

NAME

pkstat - calculate basic statistics from raster dataset

SYNOPSIS

pkstat [ options ]

DESCRIPTION

pkstat is utility to calculate basic statistics from a raster dataset.

OPTIONS

-i filename , --input filename

name of the input raster dataset

-b band , --band band

band(s) on which to calculate statistics

-f , --filename

Shows image filename

-stats , --statistics

Shows basic statistics (calculate in memory) (min,max, mean and stdDev of the raster datasets)

-fstats , --fstatistics

Shows basic statistics using GDAL computeStatistics (min,max, mean and stdDev of the raster datasets)

-ulx value , --ulx value

Upper left x value bounding box

-uly value , --uly value

Upper left y value bounding box

-lrx value , --lrx value

Lower right x value bounding box

-lry value , --lry value

Lower right y value bounding box

-nodata value , --nodata value

Set nodata value(s)

-down value , --down value

Down sampling factor (for raster sample datasets only). Can be used to create grid points.

-rnd number , --rnd number

generate random numbers

-mean , --mean

calculate mean

-median , --median

calculate median

-var , --var

calculate variance

-skew , --skewness

calculate skewness

-kurt , --kurtosis

calculate kurtosis

-stdev , --stdev

calculate standard deviation

-sum , --sum

calculate sum of column

-mm , --minmax

calculate minimum and maximum value

-min , --min

calculate minimum value

-max , --max

calculate maximum value

-src_min value , --src_min value

start reading source from this minimum value

-src_max value , --src_max value

stop reading source from this maximum value

-hist , --hist

calculate histogram

-hist2d , --hist2d
-nbin
value , --nbin value

number of bins to calculate histogram

-rel , --relative

use percentiles for histogram to calculate histogram

-kde , --kde

Use Kernel density estimation when producing histogram. The standard deviation is estimated based on Silvermanโ€™s rule of thumb.

-cor , --correlation

calculate Pearson produc-moment correlation coefficient between two raster datasets (defined by -c col1 -c col2 )

-rmse , --rmse

calculate root mean square error between two raster datasets

-reg , --regression

calculate linear regression between two raster datasets and get correlation coefficient

-regerr , --regerr

calculate linear regression between two raster datasets and get root mean square error

-preg , --preg

calculate perpendicular regression between two raster datasets and get correlation coefficient

-pregerr , --pregerr

calculate perpendicular regression between two raster datasets and get root mean square error

-v level , --verbose level

verbose mode when positive