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authorsearoso <skaunov@gmail.com>2015-01-20 21:34:18 +0300
committersearoso <skaunov@gmail.com>2015-01-20 21:34:18 +0300
commit209dc039ecc5ee280e5239afe5e2a77a851f795f (patch)
treee15453b2f5361e220dde92e7469fdb211b06b5a6
parent6915f5bfd065434a24e52bf6b9fe2007b011e6cd (diff)
Update r.html.markdown
Added logical operators that were missing.
-rw-r--r--r.html.markdown7
1 files changed, 7 insertions, 0 deletions
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