Info_w: Item info: w
In peterhalpin/scirt: Psychometric models of small group collaborations
Description
Usage
Arguments
Value
View source: R/cIRF_functions.R
Description
Computes item info for RSC weight (not its logit).'
Usage
1
Info_w(w, parms, theta1, theta2)
Arguments
w
the weight parameter of the RSC model.
parms
a data.frame with columns parms$alpha and parms$beta corresponding to the discrimination and difficulty parameters of the 2PL model, respectively.
theta1
the latent trait of member 1.
theta2
the latent trait of member 2.
Value
length(w) by nrow(parms) matrix of item info
peterhalpin/scirt documentation built on May 5, 2019, 1:38 p.m.
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Description Usage Arguments Value
View source: R/cIRF_functions.R
Description
Computes item info for RSC weight (not its logit).'
Usage
1 | Info_w(w, parms, theta1, theta2)
|
Arguments
w |
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. |
Value
length(w) by nrow(parms) matrix of item info
R Package Documentation
Browse R Packages
We want your feedback!
Note that we can't provide technical support on individual packages. You should contact the package authors for that.
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