Scatter plot matrices with multiple variables in R

Question

I know pairs(df) is a great way to do scatter plots in finding possible correlations in variables with say about max 10 variables, but is there a way to plot scatter plots for say 200 variables?

It depends on what you want it to look like. You can use a bigger page with all 200 or you could break the 200 variables into sets and do pairs() on each... — Alex A.
– Alex A., Commented May 1, 2015 at 16:22

rawr · Accepted Answer · 2015-05-01 16:27:44Z

2

as @AlexA suggested, one way:

n <- 5
ii <- cumsum(seq.int(ncol(mtcars)) %% n == 0)

pdf('~/desktop/tmp.pdf')
for (i in unique(ii))
  pairs(mtcars[, ii %in% i])
dev.off()

or to get a quick look at them

for (i in unique(ii)) {
  pairs(mtcars[, ii %in% i])
  Sys.sleep(2)
}

answered May 1, 2015 at 16:27

rawr

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