Thanks, that worked.
*Ben Caldwell*
On Thu, Apr 28, 2011 at 2:02 PM, David Winsemius <dwinsem...@comcast.net>wrote:
>
> On Apr 28, 2011, at 3:53 PM, Benjamin Caldwell wrote:
>
> Hi folks,
>>
>> I'm dealing with a dataset with a lot of NAs, and want to use subset on
>> the
>> data without removing the NAs from the the dataframe; e.g.
>>
>> rws50 <- subset(rw.fire.RW,shigo.av<50)
>>
>> This removes instances with NA for the value in addition to anything <50.
>> Any suggestions much appreciated.
>>
>
> If you use "[" instead the NA's will come though:
>
> rw.fire.RW[ shigo.av<50, ]
>
> In fact I generally wrap my logicals in which to avoid such (mis?)behavior.
> but you appear to approve of it.
>
> ==
> David Winsemius, MD
> West Hartford, CT
>
>
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