Description Usage Arguments Value
Computes item info for the logit of the one-parameter RSC weight.
1 | Info_u(u, parms, theta1, theta2)
|
u |
is the logit of the weight parameter of the RSC model. |
parms |
a data.frame with columns |
theta1 |
the latent trait of member 1. |
theta2 |
the latent trait of member 2. |
length(w)
by nrow(parms)
matrix of item info.
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