[R] help with data layout

From: Iain Gallagher <iaingallagher_at_btopenworld.com>
Date: Thu, 17 Jul 2008 16:50:42 +0100 (BST)


Hello list

I have been given some Excel sheets with data laid like this:

Col1 Col2

A         3
           2
           3
B         4
           5
           4
C         1
           4
           3

I was hoping to import this into R as a csv and then get the mean and SD for each letter in column 1.

Could someone give me some guidance on best to approach this?

Thanks

Iain

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