I am trying to export a pandas dataframe to .arff file to use it in Weka. I have seen that the module liac-arff can be used for that purpose. Going on the documentation here it seems I have to use ...

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

I was able to load the .arff file using the following commands. But I was not able to extract the data from the object and convert the object into a dataframe format. I need this to do apply machin...

I'm trying to test my model with new dataset. I have done the same preprocessing step as i have done for building my model. I have compared two files but there is no issues. I have all the attribut...

gardai-plan-crackdown-on-troublemakers-at-protest-2438316.html': {'dail': 1, 'focus': 1, 'actions': 1, 'trade': 2, 'protest': 1, 'identify': 1, 'previous': 1, 'detectives': 1, 'republican': 1, 'gro...

I am trying to load a .arff file into a numpy array using liac-arff library. (https://github.com/renatopp/liac-arff) This is my code. import arff, numpy as np dataset = arff.load(open('mydataset....

I am new to Weka GUI and i want to output a list of correlations on different fields to a .txt file. My arff file is correct. Can anyone help ? I have already managed it using the art writer with...

I try to do text classification naive bayes weka libarary in my java code, but i think the result of the classification is not correct, i don't know what's the problem. I use arff file for the inpu...

Is there any way to do that? Yes, i'm new to R.

Can you please let me know how to represent attribute or class for text classification in weka. By using what attribute can I do classification? word frequency or just word? What would be possible ...

Is it possible to implement boolean attributes in WEKA? I want to implement a market basket analysis and for this I need a table such Product_A Prod_B Yes No No Yes Yes Yes and so on. For No, ...

I have an image dataset which is a multiband dataset of arff format. It looks like this: 8.3000000e+001 9.3000000e+001 9.6000000e+001 7.5000000e+001 1.0000000e+000 8.3000000e+001 9.3000000e+001 9...

I am trying to get arrf extended output file from a multidimensional array in Java. And I imported weka library, however I got an error; The type FastVector<E> is deprecated. What can I use ...

I'm using the Weka Java library to read in a CSV file and convert it to an ARFF file. The problem is that the CSV file doesn't have a header row, only data. How do I assign attribute names after I...

I need to parse an arff file like the following without using any external libraries. I am not sure how I can related the attributes to the numerical values. Like how can I say the first numerical ...

How can I add a column to an R data.frame as a new first column so that all other columns are shifted by one column? Like: a|b|c --> new|a|b|c I need to do this because I want the row....

Here's a simple code as in this link to read an arff file in python (the commented one didn't work too): import arff for row in arff.load('heart_train.arff'): print(row.sex) And here's the er...

I'm trying to take a set of reviews, and convert them into the ARFF format for use with WEKA. Unfortunately either I completely misunderstand how the format works, or I'll have to have an attribute...

I've written a piece of code that essentially counts word frequencies and inserts them into an ARFF file for use with weka. I'd like to alter it so that it can count bi-gram frequencies, i.e. pairs...

I've written a hands-on recursive pure python parser for a some file format (ARFF) we use in one lecture. Now running my exercise submission is awfully slow. Turns out by far the most time is spent...

In weka I load an arff file. I can view the relationship between attributes using the visualize tab. However I can't understand the meaning of the jitter slider. What is its purpose?