try to support older R versions

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dr. M.S. (Matthijs) Berends committed 2018-04-18 14:50:16 +02:00
1 parent 2509e2413d
commit a814d82b4b
7 files changed
+15 -3

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@@ -57,6 +57,7 @@ exportMethods(print.tbl)
exportMethods(print.tbl_df)
exportMethods(summary.mic)
exportMethods(summary.rsi)
importFrom(data.table,data.table)
importFrom(dplyr,"%>%")
importFrom(dplyr,all_vars)
importFrom(dplyr,any_vars)