Thank you Bill and Dennis. grepl worked great.
However, for reason I am not figuring out, the
code worked as I included the procedure
(subroutine) with a source command, viz.,
source("z:\\R\\mylib\\me.R")
Compiling the routine into a library/package, as
I always do, then the command got ignored. Hmm...
Steven
At 10:22 PM 11/16/2014, William Dunlap wrote:
>Try grepl() to do pattern matching in strings. � ("%in%" checks for
>equality.) � E.g., using your original 'out' do
>� � out[ !grepl("sex|rating", rownames(out), ]
>to get all but the rows whose names contain the character sequences
>"sex" or "rating".
>
>Bill Dunlap
>TIBCO Software
>wdunlap <http://tibco.com>tibco.com
>
>On Sun, Nov 16, 2014 at 6:31 PM, Steven Yen
><<mailto:sye...@gmail.com>sye...@gmail.com> wrote:
>I like to remove from a data frame rows with
>labels containing certain string, e.g., "sex"
>and "rating". Below is a list of the data frame
>and my failed attempt to the rows. Any clues? Thanks.
>
> > out
>� � � � � � � � � est� � � se� � � t� � � p disc
>p.(Intercept) 26.430 13.605 1.943 0.053
>p.sex� � � � � 3.502� 3.930 0.891 0.373 *
>p.children� � � 3.693� 4.521 0.817 0.414 *
>p.occu� � � � � 0.740� 1.116 0.663 0.508
>p.rating� � � -7.897� 1.331 5.933 0.000
>c.(Intercept)� 1.861� 0.965 1.929 0.054
>c.sex� � � � � 0.221� 0.249 0.889 0.374 *
>c.children� � � 0.234� 0.289 0.810 0.418 *
>c.occu� � � � � 0.052� 0.079 0.663 0.508
>c.rating� � � -0.556� 0.102 5.451 0.000
>u.(Intercept)� 1.943� 1.017 1.910 0.057
>u.sex� � � � � 0.221� 0.248 0.888 0.375 *
>u.children� � � 0.229� 0.276 0.827 0.409 *
>u.occu� � � � � 0.054� 0.082 0.663 0.508
>u.rating� � � -0.581� 0.109 5.331 0.000
>
> > out<-subset(out,!(names(out) %in% c("sex","rating")))
> > out
>� � � � � � � � � est� � � se� � � t� � � p disc
>p.(Intercept) 26.430 13.605 1.943 0.053
>p.sex� � � � � 3.502� 3.930 0.891 0.373 *
>p.children� � � 3.693� 4.521 0.817 0.414 *
>p.occu� � � � � 0.740� 1.116 0.663 0.508
>p.rating� � � -7.897� 1.331 5.933 0.000
>c.(Intercept)� 1.861� 0.965 1.929 0.054
>c.sex� � � � � 0.221� 0.249 0.889 0.374 *
>c.children� � � 0.234� 0.289 0.810 0.418 *
>c.occu� � � � � 0.052� 0.079 0.663 0.508
>c.rating� � � -0.556� 0.102 5.451 0.000
>u.(Intercept)� 1.943� 1.017 1.910 0.057
>u.sex� � � � � 0.221� 0.248 0.888 0.375 *
>u.children� � � 0.229� 0.276 0.827 0.409 *
>u.occu� � � � � 0.054� 0.082 0.663 0.508
>u.rating� � � -0.581� 0.109 5.331 0.000
>
>______________________________________________
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>PLEASE do read the posting guide
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>and provide commented, minimal, self-contained, reproducible code.
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