Top "Weka" questions

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

Convert CSV to ARFF using weka

I've been trying to get this dataset http://archive.ics.uci.edu/ml/datasets/Communities+and+Crime+Unnormalized into Weka …

weka
How to interpret weka classification?

How can we interpret the classification result in weka using naive bayes? How is mean, std deviation, weight sum and …

classification weka
Cross Validation in Weka

I've always thought from what I read that cross validation is performed like this: In k-fold cross-validation, the original sample …

validation weka fold
What does correlation coefficient actually represent

What does correlation coefficient intuitively mean? If I have a series of X and then a series of Y, and …

math machine-learning statistics weka
Increase heap size in java for weka

I'm trying to increase the heap size in java for weka which keeps crashing. I used the suggested line: > …

java memory jvm weka
How can I create an .arff file from .txt?

Is there any simple way to do that? I'm not in Java and I'm new in Python so I would …

weka arff
How to read the classifier confusion matrix in WEKA

Sorry, I am new to WEKA and just learning. In my decision tree (J48) classifier output, there is a confusion …

classification weka decision-tree
Load a file in Resources with FileInputStream

I know the safe way to open a file in the resources is: InputStream is = this.getClass().getResourceAsStream("/path/in/…

java jar weka
Visualizing Weka classification tree

I am using few data sets available online and trying to visualize tree. However, it does not let me visualize …

data-visualization classification weka decision-tree
Eclipse - Setting .classpath file for existing project

I have a java project. The working folder from someone else's Eclipse project (It was a Repast Simphony project I …

java eclipse eclipse-plugin classpath weka