[Rasch] Average inmnsq?
rmt at rasch.org
Wed Dec 15 13:33:51 EST 2010
Each mean-square is derived from an empirical variance divided by a model
So, if the mean-squares are based on roughly the same number of
observations, and we compute their arithmetic mean, then we obtain a
usefully approximate average of them.
At 12/14/2010, you wrote:
>A quick question I have: Is it appropriate to calculate average infit
>mean-squares, or do I need to square them first, combine then and then
>take the square root?
Editor, Rasch Measurement Transactions
rmt at rasch.org www.rasch.org/rmt/ Latest RMT: 24:3 Winter 2010
-------------- next part --------------
An HTML attachment was scrubbed...
More information about the Rasch