[R] stratified analysis

[John Kane]

Nothing got through.  You need to send everything in text format.

John Kane
Kingston ON Canada


> -----Original Message-----
> From: 98samir at gmail.com
> Sent: Thu, 14 Feb 2013 15:04:24 -0500
> To: r-help at r-project.org
> Subject: [R] stratified analysis
> 
> I am having trouble doing a stratified analysis while obtaining the
> mean,median, and standard deviation of each group. I have copied and
> pasted
> the console below.
> 
> 	[[alternative HTML version deleted]]
> 
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