R

Running R

• Running an R script via the terminal and directing outputs to “out” and “error” files:

Terminal

nohup Rscript my-r-script.r > output.out 2> error.err &

Data Visualization

• Visually inspecting a color palette:

R

library(scales)
pal <- rgb(ddf$r, ddf$g, ddf$b)
show_col(pal)

Statistics

• Checking whether the design of an experiment is confounded:

R

# X is the design matrix
qr(X)$rank