[R] anova for the objects of list
Hai Lin
kevinvol2002 at yahoo.com
Mon Jun 5 18:03:34 CEST 2006
Dear R experts,
I have two list objects from runing lme model for each
subjects. And my.x is the full model with all terms I
am interested in and my.x1 is the null model with only
intercept.
I am trying to compare two models at each subject
level. (Doing anova(my.x[[1]], my.x1[[1]]) is to
produce stats for the first subject). My goal is to
obtain stats. for an entire set with hundreds of
subjects. I did something like this, lapply(my.Tem,
function(x)anova(x)), but my.Tem actually is not a
list after combining. It did not work the way as I
expected.
I am very thankful if anyone here could point me out.
Kevin
####
5 subjects extracted as my pilot data.
> class(my.x)
[1] "list"
> length(my.x)
[1] 5
> class(my.x1)
[1] "list"
> length(my.x1)
[1] 5
####
my.Tem <- cbind(my.x, my.x1)
> class(my.Tem)
[1] "matrix"
> my.Tem
my.x my.x1
s1 List,15 List,15
s2 List,15 List,15
s3 List,15 List,15
s4 List,15 List,15
s5 List,15 List,15
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