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Solution to R error "cannot allocate vector of size ..."
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r-cannot-allocate-vector-of-size-solution.md

Problem

You recieve an error in R Studio "cannot allocate vector of size ...". Below is the full error:

Error: package or namespace load failed for ‘raster’ in .doLoadActions(where, attach): error in load action .A.1 for package raster: loadModule(module = "spmod", what = TRUE, env = ns, loadNow = TRUE): Unable to load module "spmod": cannot allocate vector of size 14274.2 Gb

N.B. the data was not actually 14,000 Gb.. issues surrounding data that large would be clear.

Solution

Install the Rcpp package. Yep, that simple. See the documentation for info on Rcpp.

install.package("Rcpp")

Context

I have a blog post detailing a step-by-step tutorial for generating 3D maps with satellite imagery in R, a masters student from Università Politecnica delle Marche got in touch having this problem.

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