October 29, 2015
## Loading required package: 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 ## ## Loading required package: ggvis ## Loading required package: magrittr
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summary(cars)
## speed dist ## Min. : 4.0 Min. : 2.00 ## 1st Qu.:12.0 1st Qu.: 26.00 ## Median :15.0 Median : 36.00 ## Mean :15.4 Mean : 42.98 ## 3rd Qu.:19.0 3rd Qu.: 56.00 ## Max. :25.0 Max. :120.00
