Merge pull request #62 from DavisVaughan/fix/dplyr

Add `id` global in response to changes in `dplyr`

Author: giabaio

R/global.R

@@ -47,5 +47,6 @@ utils::globalVariables(c(
   "sim_idx",
   "npeople",
   "grp_lab",
-  "Group"
+  "Group",
+  "id"
 ))