From 101a75fcbc0b12b6ad7957d6fa721f8828635965 Mon Sep 17 00:00:00 2001 From: Antonio Lima Date: Thu, 29 May 2014 16:51:24 +0200 Subject: Minor typo --- r.html.markdown | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) (limited to 'r.html.markdown') diff --git a/r.html.markdown b/r.html.markdown index f6a62ae6..b59fc29c 100644 --- a/r.html.markdown +++ b/r.html.markdown @@ -347,7 +347,7 @@ c(6, 8, 7, 5, 3, 0, 9)[3] # 7 which(vec %% 2 == 0) # 1 3 # grab just the first or last few entries in the vector, head(vec, 1) # 8 -tail(vec, w) # 10 11 +tail(vec, 2) # 10 11 # or figure out if a certain value is in the vector any(vec == 10) # TRUE # If an index "goes over" you'll get NA: -- cgit v1.2.3