getTheta: Computes the ability estimation
In LearningRaph/felix: A Computer Adative Testing Wrapping Package
Description
Usage
Arguments
Value
Description
This function returns the expected a posteriori (EAP) ability estimate
for a given response pattern and a given matrix of item parameters.
Usage
1
Arguments
responses
numeric: vector of responses to previous items
parameters
numeric: matrix of the parameters of items with a response
D
numeric: metric constant (1 for logistic models, 1.7 for normal models)
model
Either NULL for dichotomous models, or one of the following
for polytomous models : "GRM", "MGRM", "PCM", "GPCM", "RSM" and "NRM"
Value
numeric: A value between 0 and 1
LearningRaph/felix documentation built on Nov. 22, 2019, 8:07 a.m.
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Description Usage Arguments Value
Description
This function returns the expected a posteriori (EAP) ability estimate for a given response pattern and a given matrix of item parameters.
Usage
1 |
Arguments
responses |
numeric: vector of responses to previous items |
parameters |
numeric: matrix of the parameters of items with a response |
D |
numeric: metric constant (1 for logistic models, 1.7 for normal models) |
model |
Either NULL for dichotomous models, or one of the following for polytomous models : "GRM", "MGRM", "PCM", "GPCM", "RSM" and "NRM" |
Value
numeric: A value between 0 and 1
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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