Attaching package: ‘dplyr’ The following objects are masked from ‘package:plyr’: arrange, count, desc, failwith, id, mutate, rename, summarise, summarize The following objects are masked from ‘package:stats’: filter, lag The following objects are masked from ‘package:base’: intersect, setdiff, setequal, union Listening on http://127.0.0.1:34269 Execution halted