Vahideh Torabi

9 Questions 7 Answers 0 Followers

Questions related from Vahideh Torabi

What is weighted average precision, recall and f-measure formulas?

I did a classification project and now I need to calculate the weighted average precision, recall and f-measure, but I don't know their formulas. some files are two classes, some are three classes...

29 December 2017 3,844 2 View

Does weka use macro average or micro average?

I implemented a classification project with naive bayes, svm and multilayer perceptron. for naive bayes, I did that with python and used macro average precision and recall to calculate the...

09 December 2017 8,924 6 View

How to change text test files to vector in weka?

I have some text files that I divided them to train and test files. Each line of them contains a Persian sentence and then an English word which shows the sentence's class. Now I want to classify...

11 April 2017 7,558 32 View

Is MLP (multi layer perceptron) a good and efficient method for wsd?

I want to do word sense disambiguation with multi layer perceptron. The question is, is MLP a good and efficient method for wsd?

21 January 2017 6,660 5 View

How can I make term document matrix?

I have a file containing some lines. Each line contains a Persian sentence, a tab and then an English word which shows each sentence class. I have to extract 1000 most frequent words from the file...

14 January 2017 3,719 4 View

How to delete stop words in a file using regular expression ?

I have a file containing a Persian sentence, a tab and then an English word. I have to delete stop words and punctuation in the file. I wrote the code in python 3, but because in some words the...

01 January 2017 5,552 1 View

Change words of a file in each line, to a vector in python

I have a list of Persian words and a file which contains a sentence, a tab and then an English word in each line. I want to check if each word in each line of the file, exist in the list, the code...

30 December 2016 4,567 1 View

Class index differ error in weka?

I want to do text classification with weka, the SMO algorithm. I have a train and a test file (Persian language). first I load the train file and choose "string to word vector" in preprocess. And...

28 December 2016 6,225 16 View

SVM input file format in Weka?

I have to do text classification with weka (SVM (SMO) algorithm)). Actually, it's a word sense disambiguation project. the files I prepared, contain some sentences (Persian language) and an...

27 December 2016 5,838 1 View