orlando_itemf: Orlando's statistic
In SICSresearch/IRTpp_old: Estimating IRT parameters using the IRT Methodology
Description
Usage
Arguments
Value
Author(s)
References
See Also
Examples
Description
calculates the S-X2 values from Maria Orlando and David Thisen.
Usage
1
orlando_itemf(patterns, G, zita, model)
Arguments
G
number of quadrature Points
model
type of model ( "1PL", 2PL", "3PL" )
patterns:
matrix of patterns response, the frequency of each pattern and the latent traits
zita:
matrix of estimations of the parameters of the items (discrimination,difficulty, guessing)
Value
Orlando's statistic, degrees of freedom and pvalue for each item
Author(s)
SICS Research, National University of Colombia ammontenegrod@unal.edu.co
References
Orlando, M. & Thissen, D. (2000). Likelihood-based item fit indices for dichotomous item
response theory models. Applied Psychological Measurement, 24, 50-64.
See Also
Examples
1
irtpp()
SICSresearch/IRTpp_old documentation built on May 9, 2019, 11:12 a.m.
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.
Description Usage Arguments Value Author(s) References See Also Examples
Description
calculates the S-X2 values from Maria Orlando and David Thisen.
Usage
1 | orlando_itemf(patterns, G, zita, model)
|
Arguments
G |
number of quadrature Points |
model |
type of model ( "1PL", 2PL", "3PL" ) |
patterns: |
matrix of patterns response, the frequency of each pattern and the latent traits |
zita: |
matrix of estimations of the parameters of the items (discrimination,difficulty, guessing) |
Value
Orlando's statistic, degrees of freedom and pvalue for each item
Author(s)
SICS Research, National University of Colombia ammontenegrod@unal.edu.co
References
Orlando, M. & Thissen, D. (2000). Likelihood-based item fit indices for dichotomous item response theory models. Applied Psychological Measurement, 24, 50-64.
See Also
Examples
1 | irtpp()
|
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.
Embedding an R snippet on your website
Add the following code to your website.
For more information on customizing the embed code, read Embedding Snippets.