pkstat(1)

💖 pkstat(1) 💖

okay bestie, welcome to pkstat — it's the Unix utility that pulls basic statistics out of a raster dataset, and yes it's giving calculator energy but make it spatial ✨

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✨ NAME ✨

pkstat — calculate basic statistics from raster dataset 🦋

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🌸 SYNOPSIS 🌸

pkstat [options]

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💅 DESCRIPTION 💅

so basically, pkstat is a utility to calculate basic statistics from a raster dataset. that's it, that's the whole vibe. it reads your raster, it does math, it hands you numbers. iconic behavior honestly 👑

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🎀 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) — that's 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 — (the original page literally gives no description here, so we're all just living in mystery together 🙈)
• -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 Silverman'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 🗣️

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and that's the whole page bestie, no cap, every single flag accounted for 🫶

so this lil manual is dated 01 January 2025 and it lives in the pkstat(1) section of the manual — that's the source/version and date situation, folded into this cute lil sign-off so you never forget where it came from 💜

go forth and compute those stats, you absolute main character 🧚‍♀️✨