[R] basic problem but can't solve it

John Kane jrkrideau at yahoo.ca
Tue May 22 22:33:20 CEST 2007


aggregate(Measure, list(Month=Month), mean) 

--- Benoit Chemineau <benoitchemineau at gmail.com>
wrote:

> Hello,
>    I have a basic problem but i can't figure it out
> with the
> table underneath. I would like to compute monthly
> averages.
>    I would like to have the average measure for
> month #5 for the first
> three rows (the same number in the first three
> lines) and the average
> measure for month #6 for the last four rows ((the
> same number in the first
> three lines) in a separate vesctor (let's call it
> 'result')
>    I tried to use a "while" statement inside a "for"
> loop but it doesn't
> seem to work.
>    Can someone please help me with this ?
> 
>    Measure Month
>    2.28 5
>    14.04 5
>    0.60 5
>    0.21 6
>    0.96 6
>    0.75 6
>    1.28 6
> 
>    Thank you !
> 
> 	[[alternative HTML version deleted]]
> 
> ______________________________________________
> R-help at stat.math.ethz.ch mailing list
> https://stat.ethz.ch/mailman/listinfo/r-help
> PLEASE do read the posting guide
> http://www.R-project.org/posting-guide.html
> and provide commented, minimal, self-contained,
> reproducible code.
>



More information about the R-help mailing list