> x <- "
+ cluster_ac clockrate age class
+ 7337 0.19 0.001 alpha_proteins
+ 7888 0.21 0.78 beta_proteins
+ 7337 0.39 0.001 alpha_proteins
+ 7888 0.41 0.78 beta_proteins
+ 7337 0.59 0.001 alpha_proteins
+ 7888 0.61 0.78 beta_proteins
+ 7337 0.97 0.001 alpha_proteins
+ 7888 0.81 0.78 beta_proteins
+ 7337 0.99 0.001 alpha_proteins
+ 7888 0.1 0.78 beta_proteins
+ "
> df <- read.table(textConnection(x), header=TRUE)
> tapply(df$clockrate, df$class, mean)
alpha_proteins beta_proteins
0.626 0.428
>
On 7/11/06, lalitha viswanath <[EMAIL PROTECTED]> wrote:
>
> Hi
> I have a table that goes
> data
>
> cluster_ac clockrate age class
> 7337 0.9 0.001 alpha_proteins
> 7888 0.1 0.78 beta proteins
>
> etc
>
> The class column can have 7-8 different unique values
> While the clockrate and age columns are floats varying
> from 0 to 1.
>
> I wish to get the average clockrate across each of the
> classes for this data.
>
> I would appreciate your help regarding the aboe.
>
> Thanks
> Lalitha
>
> ______________________________________________
> R-help@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
>
--
Jim Holtman
Cincinnati, OH
+1 513 646 9390 (Cell)
+1 513 247 0281 (Home)
What is the problem you are trying to solve?
[[alternative HTML version deleted]]
______________________________________________
R-help@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
