iskm/learnxinyminutes-docs
1
0
Fork 0
mirror of https://github.com/adambard/learnxinyminutes-docs.git synced 2024-12-23 09:41:36 +00:00
Code Issues Actions Packages Projects Releases Wiki Activity

Update r.html.markdown

Browse Source 
Added logical operators that were missing.
This commit is contained in:
searoso 2015-01-20 21:34:18 +03:00
parent 6915f5bfd0
commit 209dc039ec
1 changed files with 7 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

7
r.html.markdown
View File

@ -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