Re: [R] Function to crop p-values from multiple Anovas

2011-03-23 Thread Berend Hasselman
micfalb-r wrote: > > > > p.fun <- function(arg){ > two_way_anova <- aov(arg ~ age * treatment, data = example.df) > two_way_sum <- summary(two_way_anova) > p_values <- two_way_sum[[1]]$"Pr(>F)"[1:3] > return(p_values) > } > > Unfortunately my setup seems to be flawed as I'm not capable

[R] Function to crop p-values from multiple Anovas

2011-03-23 Thread micfalb-r
Starting with data from a microarray experiment and I would like to analyse the influence of two factors (age, treatment) on gene expression. Looking through the r-help archives and the web I tried the following: I put my data in a dataframe similar to this one: > example.df <- as.data.frame(mat