Thanks, as a follow-up, how do i extract the list element name (ie, 4-2 or 44-1)

thanks,

chipper

Date: Thu, 18 Feb 2010 11:56:45 -0800
From: ml-node+1560750-540257540-69...@n4.nabble.com
To: chipma...@hotmail.com
Subject: Re: Extracting values from a list



Try this:


sapply(x, '[', 'p.value')


On Thu, Feb 18, 2010 at 5:21 PM, chipmaney <[hidden email]> wrote:

>

> I have run a kruskal.test() using the by() function, which returns a list of

> results like the following (subset of results):

>

> Herb.df$ID: 4-2

>       Kruskal-Wallis chi-squared = 18.93, df = 7, p-value = 0.00841

> --------------------------------------------------------------------

> Herb.df$ID: 44-1

>        Kruskal-Wallis chi-squared = 4.43, df = 6, p-value = 0.6187

>

>

> So then, how do extract a vector of p-values (i.e., result$p.value) for

> every element in the list?

>

>

>

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>



-- 

Henrique Dallazuanna

Curitiba-Paraná-Brasil

25° 25' 40" S 49° 16' 22" O


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