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(tidyr) library(gapminder) library(ggplot2) library(ggalt) library(forcats) library(R.utils) ## Loading required package: R.oo ## Loading required package: R.methodsS3 ## R.methodsS3 v1.7.1 (2016-02-15) successfully loaded. See ?R.methodsS3 for help. ## R.oo v1.22.0 (2018-04-21) successfully loaded. ...