R: purrr map fumction
R: purrr map function R: purrr map function Peter Lin 2018/4/6 lapply vs map library(dplyr) ## ## Attaching package: 'dplyr' ## The following objects are masked from 'package:stats': ## ## filter, lag ## The following objects are masked from 'package:base': ## ## intersect, setdiff, setequal, union library(purrr) mtcars %>% map(mean) ## $mpg ## [1] 20.09062 ## ## $cyl ## [1] 6.1875 ## ## $disp ## [1] 230.7219 ## ## $hp ## [1] 146.6875 ## ## $drat ## [1] 3.596563 ## ## $wt ## [1] 3.21725 ## ## $qsec ## [1] 17.84875 ## ## $vs ## [1] 0.4375 ## ## $am ## [1] 0.40625 ## ## $gear ## [1] 3.6875 ## ## $carb ## [1] 2.8125 lapply(mtcars,mean) ## $mpg ## [1] 20.09062 ## ## $cyl ## [1] 6.1875 ## ## $disp ## [1] 230.7219 ## ## $hp ## [1] 146.6875 ## ## $drat ## [1] 3.596563 ## ## $wt ## [1] 3.21725 ## ## $qsec ## [1] 17.84875 ## ## $vs ## [1] 0.4375 ## ## $am ## [1] 0...