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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