README.md
In jweese1441/DIFSIB: SIBTEST Suite of Procedures
DIFSIB
This package performs differential item functioning (DIF) and differential bundle functioning (DBF) using SIBTEST, Crossing-SIBTEST, and POLYSIBTEST procedures.
This package was created by translating the code directly from the open source Fortran code. Some modifications have been made to reduce the number of functions needed
to perform the SIBTEST, Crossing-SIBTEST, and POLYSIBTEST procedures. Further, the modified Crossing-SIBTEST statistics (Chalmers, 2018) has been implemented.
The original code can be found here: https://psychometrics.onlinehelp.measuredprogress.org/tools/dif/
The user manual can be found here: DIFSIB_1.0.2.pdf
In the below code, using force =TRUE will make the installation occur even if an update has not occured and you want to overwrite your previous install.
INSTALLATION INSTRUCTIONS
To install this package run the following lines of code.
install.packages("devtools")
library(devtools)
Sys.setenv(R_REMOTES_NO_ERRORS_FROM_WARNINGS=TRUE)
devtools::install_github("jweese1441/DIFSIB", force =TRUE)
jweese1441/DIFSIB documentation built on April 3, 2022, 8:58 a.m.
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DIFSIB
This package performs differential item functioning (DIF) and differential bundle functioning (DBF) using SIBTEST, Crossing-SIBTEST, and POLYSIBTEST procedures. This package was created by translating the code directly from the open source Fortran code. Some modifications have been made to reduce the number of functions needed to perform the SIBTEST, Crossing-SIBTEST, and POLYSIBTEST procedures. Further, the modified Crossing-SIBTEST statistics (Chalmers, 2018) has been implemented.
The original code can be found here: https://psychometrics.onlinehelp.measuredprogress.org/tools/dif/
The user manual can be found here: DIFSIB_1.0.2.pdf
In the below code, using force =TRUE will make the installation occur even if an update has not occured and you want to overwrite your previous install.
INSTALLATION INSTRUCTIONS
To install this package run the following lines of code.
install.packages("devtools")
library(devtools)
Sys.setenv(R_REMOTES_NO_ERRORS_FROM_WARNINGS=TRUE)
devtools::install_github("jweese1441/DIFSIB", force =TRUE)
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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