Top "Naivebayes" questions

Naive Bayes is a popular (baseline) method for text-classification.

How to get feature Importance in naive bayes?

I have a dataset of reviews which has a class label of positive/negative. I am applying Naive Bayes to …

python python-3.x machine-learning scikit-learn naivebayes
Mean of empty slice and Degrees of freedom <=0

This code below is suppose to run a bayes classifer for a full covaraince gaussian (http://courses.ee.sun.ac.…

python numpy gaussian naivebayes
Naive Bayes For Regression

I was wondering, if I can apply naive bayes, to a regression problem and how will it be done. I …

regression naivebayes
Classifying Documents into Categories

I've got about 300k documents stored in a Postgres database that are tagged with topic categories (there are about 150 categories …

python machine-learning nlp nltk naivebayes
How to produce a confusion matrix and find the misclassification rate of the Naïve Bayes Classifier?

Using the iris dataset in R, I'm trying to fit a a Naïve Bayes classifier to the iris training …

r naivebayes
is it possible Apply PCA on any Text Classification?

I'm trying a classification with python. I'm using Naive Bayes MultinomialNB classifier for the web pages (Retrieving data form web …

python scikit-learn pca naivebayes
Variable importance for support vector machine and naive Bayes classifiers in R

I’m working on building predictive classifiers in R on a cancer dataset. I’m using random forest, support vector …

r machine-learning svm naivebayes
how to use tf-idf with Naive Bayes?

As per my search regarding the query, that I am posting here, I have got many links which propose solution …

python-2.7 tf-idf naivebayes
How to train large Dataset for classification

I have a training dataset of 1600000 tweets. How can I train this type of huge data. I have tried something …

python classification nltk svm naivebayes
How to tune GaussianNB?

Trying to fit data with GaussianNB() gives me low accuracy score. I'd like to try Grid Search, but it seems …

machine-learning scikit-learn naivebayes