I have created two raster stacks and would like to plot a row or column of pixels through the stack, but am not sure how to approach this.

I know I can subset by layer, but how do I subset vertically through the stack at a specific pixel location?

# Subsetted stack by layer
> tr_sub <- subset(tr_stack, 1:10) 

This is what the raster::extract function does, and it can extract values from a stack by cell number, or x-y coordinate.

See help(extract) for more.

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