[R] Test for equivalence

syrvn mentor_ at gmx.net
Sat Feb 12 15:30:22 CET 2011


Hi!

is there a way in R to check whether the outcome of two different
experiments is statistically distinguishable or indistinguishable? More
preciously, I used the wilcoxon test to determine the differences between
controls and treated subjects for two different experiments. Now I would
like to check whether the two lists of analytes obtained are statistically
distinguishable or indistinguishable

I tried to use a equivalence test from the 'equivalence' package in R but it
seems that this test is not applicable to my problem. The test in the
'equivalence' package just determines similarity between two conditions but
I need to compare the outcome of two different experiments.

My experiments are constructed as follows:

Exp1:
8 control samples
8 treated samples
-> determine significantly changes (List A)

Exp2:
8 control samples
8 treated samples
-> determine significantly changes (List B)


Now i would like to check whether List A and List B are distinguishable or
indistinguishable.

Any advice is very much appreciated!

Best,
beginner
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