From 209dc039ecc5ee280e5239afe5e2a77a851f795f Mon Sep 17 00:00:00 2001
From: searoso <skaunov@gmail.com>
Date: Tue, 20 Jan 2015 21:34:18 +0300
Subject: [PATCH] Update r.html.markdown

Added logical operators that were missing.
---
 r.html.markdown | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/r.html.markdown b/r.html.markdown
index c555d748..13fa2654 100644
--- a/r.html.markdown
+++ b/r.html.markdown
@@ -229,6 +229,13 @@ FALSE != FALSE	# FALSE
 FALSE != TRUE	# TRUE
 # Missing data (NA) is logical, too
 class(NA)	# "logical"
+# Use for | and & for logic operations.
+# OR
+TRUE | FALSE	# TRUE
+# AND
+TRUE & FALSE	# FALSE
+# You can test if x is TRUE
+isTRUE(TRUE)	# TRUE
 # Here we get a logical vector with many elements:
 c('Z', 'o', 'r', 'r', 'o') == "Zorro" # FALSE FALSE FALSE FALSE FALSE
 c('Z', 'o', 'r', 'r', 'o') == "Z" # TRUE FALSE FALSE FALSE FALSE