Download WEKA (WEKA 3.8.0 at least) for your system from: http://www.cs.waikato.ac.nz/ml/weka/index.html .
Execute WEKA, from the main GUI Chooser select Tools->Package Manager. The package can be installed using the url: http://flanagan.ugr.es/weka/JCDT.zip by selecting File/URL at the top right of the package manager (Unofficial section).
After installation you may need to reopen WEKA.
You can use the CDT (Credal Decision Tree) classifier under the tree section.
The CDT is a decision tree learner based on imprecise probabilities and uncertainty measures. See:
J. Abellán, S. Moral Building classification trees using the total uncertainty criterion Int. J. Intell. Syst., 18 (12) (2003), pp. 1215–1225
The Java implementation of the CDT is open source software issued under the GNU General Public License.
You may download JCDT.zip version 1.0.1 in .zip format (for WEKA's Package Manager). Tested in WEKA 3.8.X and 3.9.X .
You may download or copy the URL of:
Please feel free to contact me if you have any questions: fjgc@decsai.ugr.es