Message-ID: <Pine.A41.4.33.0107031010540.44558-100000@homer34.u.washington.edu>
Date: 2001-07-03T17:13:11Z
From: Thomas Lumley
Subject: extracting subset from a data frame
In-Reply-To: <Pine.SOL.4.33.0107031258540.14791-100000@julius.ling.ohio-state.edu>
On Tue, 3 Jul 2001, David White wrote:
>
> Dear list,
>
> How can I subset a factor level out of a dataframe and into another?
>
> Ex.
> token max1 max2 condition prop1 prop2
> 879 n224ti10.10msmeanc 2928.516 6201.562 out of range 0.5273416 0.5454564
> 880 n224ti11.10msmeanc 3100.781 6718.359 out of range 0.7369985 0.4668726
> 881 n224tu01.10msmeanc 2928.516 6373.828 out of range 0.5116092 0.5293684
> 18 n002tu06.10msmeanc 2756.250 7579.688 within range 0.5245017 0.4614441
> 39 n011ku02.10msmeanc 1722.656 5340.234 within range 0.5297173 0.5002062
> 40 n011ku03.10msmeanc 1894.922 5167.969 within range 0.6348299 0.6518556
> 43 n011ku06.10msmeanc 1894.922 5512.500 within range 0.6487249 0.5513902
>
> Suppose I need to subset all of the within range observations into another
> dataframe.
>
another.dframe<-dframe[dframe$condition=="within range",]
-thomas
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