[GRASS-user] P value for slope from r.series

Daniel Victoria daniel.victoria at gmail.com
Wed Oct 11 06:44:40 PDT 2017


OK, dumb question since I'm a bit (or very) bad at stats.

I'm calculating the slope from a series of rasters using r.series. I see
that I can also get the t-value and the coefficient of determination. Is
there a way to get the p-value for the regression?

I've seen that this question has been asked before (in 2012) [1] and it
ended with the addition of the t-value calculation in r.series. But I
failed to see how the p-value can be obtained.

I also found this ticket [2], related to the p-value question.

Thanks
Daniel

[1] -
http://osgeo-org.1560.x6.nabble.com/Calculate-p-value-for-regression-slope-in-r-series-td5014228.html

[2]  https://trac.osgeo.org/grass/ticket/2376
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