Merge pull request #72 from OaCantona/patch-3

Mistake in exercise
2016-03-24 13:51:48 -05:00
parent e6a207e2b7 790ce266e4
commit 8757548eca
1 changed files with 1 additions and 1 deletions
--- a/relational-data.Rmd
+++ b/relational-data.Rmd
@@ -452,7 +452,7 @@ flights %>%
    patterns?

 1.  What does `anti_join(flights, airports, by = c("dest" = "faa"))` tell you?
-    What does `anti_join(airports, flights, by = c("dest" = "faa"))` tell you?
+    What does `anti_join(airports, flights, by = c("faa" = "dest"))` tell you?

 ## Join problems