# HG changeset patch
# User Oleksandr Gavenko <gavenkoa@gmail.com>
# Date 1457216936 -7200
# Node ID 1435b942faabb9829fb5077b81b6fb5de8795806
# Parent  486fcedecf7294e754f0c37a8b0deb540d204ea6
Drop column from data frame by name

diff -r 486fcedecf72 -r 1435b942faab r.rst
--- a/r.rst	Sun Mar 06 00:27:25 2016 +0200
+++ b/r.rst	Sun Mar 06 00:28:56 2016 +0200
@@ -227,3 +227,7 @@
 
   newdf <- df[ , !(names(df) %in% c("lat", "long"))]
 
+  df <- data.frame( a = 1:10, b = 2:11, c = 3:12 )
+  df <- subset(df, select = c(a,c))
+  df <- subset(df, select = -c(a,c))
+