?"%in%"
as in
chosenCounties<-subset(DailyCounty, DailyCounty$County%in%
c("Appling","county2Name","county3Name"))
-- Bert Gunter
Genentech Non-Clinical Statistics
South San Francisco, CA
"The business of the statistician is to catalyze the scientific learning
process." - George E. P. Box
> -----Original Message-----
> From: [EMAIL PROTECTED]
> [mailto:[EMAIL PROTECTED] On Behalf Of Dan Chan
> Sent: Tuesday, April 04, 2006 10:42 AM
> To: [email protected]
> Subject: [R] Selecting from a Dataframe
>
> Hi,
>
> I have a data frame with many fields and there are many records.
> One of the fields is county names in Georgia.
> I want to select all the records for 3 of the counties.
> How can I do that?
>
> DailyCounty is the dataframe that holds the data. One of the
> fields is
> County. The following statement will extract all records for Appling
> County and store as Appling.
>
> Appling <- subset(DailyCounty, DailyCounty$County== ("Appling"))
>
> I suppose I can do the same for the other two counties, but how can I
> combine them into one single data frame? Each county has a different
> numbers of records in the dataframe DailyCounty.
>
> 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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