I am trying to parallelise a pipe. In the pipe there is a tidyr command ("tidyr::complete"). This breaks down the code once run in parallel, as the object class is not recognised. Is ther...

Consider a standard grouped operation on a data.frame: library(plyr) library(doMC) library(MASS) # for example nc <- 12 registerDoMC(nc) d <- data.frame(x = c("data", "more data"), g = c("...

I'm trying to use multidplyr to speed up getting residuals from a regression fit. I've created a function that fits the regression model to get the residuals, which in addition to the data, gets tw...

I have the following dataframe and my intention is to find all the IDs, that have different USAGE but the same TYPE. ID <- rep(1:4, each=3) USAGE <- c("private","private","private","private"...