>Ah, I think I see what you want. Try this on each pair of exclusive sets:
>Then under65row and over65row should be the first two rows of your result.
>Can't test this at the moment, but I don't think it's too far wrong.
>
I knew this shouldn't need so much work ;-)
Not cracked it yet - because
>Ah, I think I see what you want. Try this on each pair of exclusive sets:
>
n_total<-dim(mydataset)[1]
under65<-mydataset$age <= 65
n_under65<-sum(under65)
under65row<-c(sum(mydataset$dose[under65] == "FD"),
sum(mydataset$dose[under65] == "RD"),
sum(mydataset$vitalstatus[under65] == "dead" &
>> What I want to do is do a forrest (forest) plot for subgroups within my
>> single dataset as a test of heterogeniety. I have a dataset who received
>> either full dose(FD) or reduced dose(RD) treatment, and a number of
>> characteristics about those subjects: age, sex, renal function, weight,
> Are n.FD and n.RD the number of people who received the full/reduced dose
Yes - but I don't have the data structured like that YET - thats what I want to
get to because thats what forest plot seems to be wanting.
> and surv.FD and surv.RD the number of people that survived?
Mmm... was more thin
-help-boun...@r-project.org
[mailto:r-help-boun...@r-project.org] On Behalf Of Polwart Calum
(County Durham and Darlington NHS Foundation Trust) Sent: Tuesday, July
28, 2009 20:28 To: r-help@r-project.org Subject: [R] Summarising Data
for Forrest Plots
> I tried to post this a few times last week
I tried to post this a few times last week and it seems to have got stuck
somehow so I'm trying from a different email in the hope that works. If
somehow this has appeared on the list 20 tiems and I never saw any of them I
apologize ;-)
I'm basically an R-newbie. But I am VERY computer liter
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