[R] trimming a factor

[Francisco J. Zagmutt]

RSiteSearch("trim") or RSiteSearch("trim space") will get you there.

Francisco

>From: "Dan Chan" <dchan at GFC.STATE.GA.US>
>To: <r-help at stat.math.ethz.ch>
>Subject: [R] trimming a factor
>Date: Fri, 10 Mar 2006 15:52:03 -0500
>
>Hi,
>
>I have the following dataframe.  The County Column has many empty spaces
>at the end.
>I want to cut out the empty space and put them back into the dataframe.
>How can this be done?
>
> > head(DailyCounty)
>                  Date               County GFCPer GFCEquip Acre nFires
>Date2
>1 2001-01-04 00:00:00 Appling                   1        1 0.20      1
>2001-01-04
>2 2001-01-05 00:00:00 Appling                   2        2 0.13      1
>2001-01-05
>3 2001-01-06 00:00:00 Appling                   1        1 3.41      1
>2001-01-06
>4 2001-01-07 00:00:00 Appling                   1        1 0.18      1
>2001-01-07
>5 2001-01-10 00:00:00 Appling                   1        1 5.10      1
>2001-01-10
>6 2001-01-16 00:00:00 Appling                   1        1 0.48      1
>2001-01-16
>
> >sub(' +$','',levels(DailyCounty$County))
>"Appling"
>
> >sub(' +$','',DailyCounty$County)
>[1] "1"
>
>Thank you!
>
>
>Daniel Chan
>Meteorologist
>Georgia Forestry Commission
>P O Box 819
>Macon, GA
>31202
>Tel: 478-751-3508
>Fax: 478-751-3465
>
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