ERm
Erm
https://cran.r-project.org/web/packages/eRm
GNU R package for 'extended Rasch modelling'
eRm fits Rasch models (RM), linear logistic test models (LLTM), rating scale model (RSM), linear rating scale models (LRSM), partial credit models (PCM), and linear partial credit models (LPCM). Missing values are allowed in the data matrix. Additional features are the ML estimation of the person parameters, Andersen's LR-test, item-specific Wald test, itemfit and personfit statistics including infit and outfit measures, various ICC and related plots, automated stepwise item elimination, simulation module for various binary data matrices. An eRm platform is provided at R-forge (see URL).
Licensing
License
Verified by
Verified on
Notes
License
Verified by
Debian
Verified on
20 March 2013
Notes
License: GPL-2
This program is free software; you can redistribute it and/or modify it under the terms of version 2 of the GNU General Public License as published by the Free Software Foundation.
This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details.
You should have received a copy of the GNU General Public License along with this package; if not, write to the Free Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
On Debian systems, the full text of the GNU General Public License version 2 can be found in the file `/usr/share/common-
licenses/GPL-2'.License
Verified by
Debian
Verified on
20 March 2013
Notes
License: GPL-2+
GPL-2+ This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 2 of the License, or (at your option) any later version.
This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details.
You should have received a copy of the GNU General Public License along with this package; if not, write to the Free Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
On Debian systems, the full text of the GNU General Public License version 2 can be found in the file `/usr/share/common-
licenses/GPL-2'.
Leaders and contributors
Contact(s) | Role |
---|---|
Reinhold Hatzinger | contact |
Resources and communication
Audience | Resource type | URI |
---|---|---|
Debian (Ref) (R) | https://tracker.debian.org/pkg/erm | |
R (Ref) | https://cran.r-project.org/web/packages/eRm |
Software prerequisites
Permission is granted to copy, distribute and/or modify this document under the terms of the GNU Free Documentation License, Version 1.3 or any later version published by the Free Software Foundation; with no Invariant Sections, no Front-Cover Texts, and no Back-Cover Texts. A copy of the license is included in the page “GNU Free Documentation License”.
The copyright and license notices on this page only apply to the text on this page. Any software or copyright-licenses or other similar notices described in this text has its own copyright notice and license, which can usually be found in the distribution or license text itself.