R help - Nov 2009 - re move row if the column "date_abandoned" has a date in it

I want to go through a column in data called
date_abandoned....data["date_abandoned"]....and remove all the rows
that
have numbers greater than 1,010,000.

The dates are in the format 20091114 so i'm just going to treat them as
numbers for clean up purposes.


I know that i use subset but not sure how to proceed from there.



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On Nov 14, 2009, at 1:21 PM, frenchcr wrote:
>
>
> I want to go through a column in data called
Bad name for a data.frame. Fortunes, "dog" and all that.
> date_abandoned....data["date_abandoned"]....and remove all the
rows
> that
> have numbers greater than 1,010,000.
Are you doing archeology? Given what you say next I wondered what  
range you were really asking for.
>
> The dates are in the format 20091114 so i'm just going to treat them  
> as
> numbers for clean up purposes.
>
>
> I know that i use subset but not sure how to proceed from there.
subdata <- subset(data, date_abandoned > "01010000"()


The problem with > "1010000" is that your specified minimum point
had
an insufficient number of "places" to be in YYYYMMDD format.

--

David Winsemius, MD
Heritage Laboratories
West Hartford, CT