irt.createdata: IRT Data File Creator
In m070ch/ips.tools: Tools for IPS
Description
Usage
Arguments
Details
Value
See Also
Examples
Description
Formats Responses for IRT Calibration
Usage
1
irt.createdata(responses, write, form)
Arguments
responses
The test responses dataframe (see import.responses)
write
boolean (default = FALSE)- write to .txt file for Winsteps use
form
The form code (only necessary if write = TRUE)
Details
Formats a CRM-downloaded Test Responses dataframe for use
in IRT item calibration.
Similarly to original SPSS script, creates concatenated names
for Items and People and sorts by this.
Reshapes responses from long to wide.
Value
A response dataframe formatted to be the Winsteps data file
See Also
Other IRT Calibration: irt.cleanupresults,
irt.controlcard,
irt.itemanchor,
irt.itemstructure,
irt.itemweight,
irt.personweight
Examples
1
irt.createdata(ResponseImport, TRUE, "AB2017A_01")
m070ch/ips.tools documentation built on May 18, 2019, 8:09 p.m.
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Description Usage Arguments Details Value See Also Examples
Description
Formats Responses for IRT Calibration
Usage
1 | irt.createdata(responses, write, form)
|
Arguments
responses |
The test responses dataframe (see import.responses) |
write |
boolean (default = FALSE)- write to .txt file for Winsteps use |
form |
The form code (only necessary if write = TRUE) |
Details
Formats a CRM-downloaded Test Responses dataframe for use in IRT item calibration. Similarly to original SPSS script, creates concatenated names for Items and People and sorts by this. Reshapes responses from long to wide.
Value
A response dataframe formatted to be the Winsteps data file
See Also
Other IRT Calibration: irt.cleanupresults,
irt.controlcard,
irt.itemanchor,
irt.itemstructure,
irt.itemweight,
irt.personweight
Examples
1 | irt.createdata(ResponseImport, TRUE, "AB2017A_01")
|
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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