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confint() for difference of effect levels [R for BE/BA]

posted by ElMaestro - Denmark, 2017-08-29 10:20  - Posting: # 17747
Views: 5,368

Hi all,

let us say we have an lm object for a BE analysis in a study where we have n treatments.
Is there a way to use confint() to derive CI's for the difference of the i'th and j'th treatments (where obviously i!=j, and i is within 1..n and j is within 1..n) ?

If not, is there another built-in function that achieves this goal?

Google isn't my friend.:-):-)
Many thanks.

if (3) 4

x=c("Foo", "Bar")
b=data.frame(x)
typeof(b[,1]) ##aha, integer?
b[,1]+1 ##then let me add 1



Best regards,
ElMaestro

"(...) targeted cancer therapies will benefit fewer than 2 percent of the cancer patients they’re aimed at. That reality is often lost on consumers, who are being fed a steady diet of winning anecdotes about miracle cures." New York Times (ed.), June 9, 2018.

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