They key is ‘proxy model’ — your xa really is the same memory location as your original object so you end up changing your original. If you don’t want that, you should do one thing: (deep) copy using the clone() method, or maybe explicit creation of a new object into which the altered object gets … Read more
On NFS file systems it is sometimes not obvious what things you have to close. The best way to avoid this is to use the –no-lock argument on the command line, i.e.: R CMD INSTALL –no-lock <pkg> From within R, you can do this from within your command using: install.packages(“Rcpp”, dependencies = TRUE, INSTALL_opts=”–no-lock”)
I had the same problem with the packages: raster, tmap and sf. Reinstalling the package Rcpp solved the problem: install.packages(‘Rcpp’) library(Rcpp)
Biggest problem and root of ineffectiveness is indexing data.frame, I mean all this lines where you use temp[,]. Try to avoid this as much as possible. I took your function, change indexing and here version_A dayloop2_A <- function(temp){ res <- numeric(nrow(temp)) for (i in 1:nrow(temp)){ res[i] <- i if (i > 1) { if ((temp[i,6] … Read more