Top "Weka" questions

Weka (Waikato Environment for Knowledge Analysis) is an open source machine learning library written in Java.

Weka only changing numeric to nominal

I have a CSV file that I am importing into Weka. All variables are importing as numeric. I need to …

weka
How to read a text file with mixed encodings in Scala or Java?

I am trying to parse a CSV file, ideally using weka.core.converters.CSVLoader. However the file I have is …

java scala utf-8 character-encoding weka
How to use SVM in Weka?

I'm trying to use the svm classifier in weka. When I click on the libsvm classifier and try to train …

java weka libsvm
How to use weka for predict results

Im new to weka and I'm confused with the tool. What I needed to do is im having a data …

dataset data-mining classification weka prediction
Wrong number of values when importing csv in Weka

I want to open a csv file (saved from openoffice calc) in weka. I keep getting an error: "wrong number …

csv dataset weka
Unable to execute jar file despite having PATH and CLASSPATH set

My question is regarding including jar files in path. It has 2 parts. 1) I am trying to execute weka.jar jar …

java path jar classpath weka
Weka Predictions to CSV

I've trained a classifier in Weka, and I'm able to use it on test data. Additionally, I can opt to …

csv weka classification output
What is pruned and unpruned tree in Weka?

In decision tree J48 example, when we say tree pruned or unpruned, what is the difference?

java weka
.arff files with scikit-learn?

I would like to use an Attribute-Relation File Format with scikit-learn to do some NLP task, is this possible? How …

python machine-learning scikit-learn weka arff
Missing Values in Weka --

I'm using adult data from UCI Here, when I converted it to excel file ==> then import it in weka …

weka