我知道pairs(df)是一种很好的散点图绘制方法,可以找到变量中可能存在的相关性,例如最多约10个变量,但是有没有一种方法可以绘制散点图,比如说200个变量?
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)
}
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