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Re: ANOVA with mean and SD?
From: |
Ben Abbott |
Subject: |
Re: ANOVA with mean and SD? |
Date: |
Wed, 03 Sep 2008 11:22:04 -0400 |
On Wednesday, September 03, 2008, at 10:27AM, "Wolfgang Schechinger"
<address@hidden> wrote:
>Dear experts,
>
>I need to analyze 2500 parameters in 3 groups by ANOVA, means I want to detect
>which parameters vary between the groups.
>
>For every group I have a table with
>
>number of data points (may vary from group to group)
>mean
>standard deviation.
>
>(3x3 columns, 2500 rows)
>
>As I understand the anova(y,g) function, one needs to supply the raw data and
>there should be the same number of data points per colum at least for each
>parameter.
>
>Is there a way to adapt the function to my data set, or is there another
>function one could use?
>
>What can I do when my data does not follow a normal distribution?
>
>Many thanks for your help!
>
>Wolfgang
>
Is there a reason you can't concatenate all groups into one vector and use the
2nd input to identify the group each sample corresponds to?
Ben