[R] pull stat out of summary

Evan Cooch evan.cooch at gmail.com
Sat Apr 1 01:11:09 CEST 2017

Continuing my learning curve after 25_ years with using SAS. Want to 
pull the "Mean" forom the summary of something...

test <- rnorm(1000,1.5,1.25)

hold <- summary(test)

[1] "Min."    "1st Qu." "Median"  "Mean"    "3rd Qu." "Max."

OK, so "Mean" is in there.
So, is there a short form answer for why hold$Mean throws an error, and 
hold["Mean"} returns the mean (as desired)?

Silly question I know,  but gotta start somewhere...


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