Top "Chi-squared" questions

Anything related to chi-squared probability distribution or chi-squared statistical test (typically of distribution, independence, or goodness of fit).

P-value from Chi sq test statistic in Python

I have computed a test statistic that is distributed as a chi square with 1 degree of freedom, and want to …

python statistics scipy chi-squared
Chi squared test in Python

I'd like to run a chi-squared test in Python. I've created code to do this, but I don't know if …

python numpy scipy chi-squared
Feature selection using scikit-learn

I'm new in machine learning. I'm preparing my data for classification using Scikit Learn SVM. In order to select the …

python machine-learning scikit-learn feature-selection chi-squared
Fisher test error : LDSTP is too small

input NN <- c(359,32);JJ <- c(108,13);NNS <- c(103,15);VBN <- c(95,9);RB <- …

r testing statistics chi-squared
Chi-squared goodness of fit test in R

I have a vector of observed values and also a vector of values calculated with model: actual <- c(1411,439,214,100,62,38,29,64) …

r statistics chi-squared goodness-of-fit
Call R from JAVA to get Chi-squared statistic and p-value

I have two 4*4 matrices in JAVA, where one matrix holds observed counts and the other expected counts. I need an …

java r statistics chi-squared
Python - Minimizing Chi-squared

I have been trying to fit a linear model to a set of stress/strain data by minimizing chi-squared. Unfortunately …

python statistics scipy minimization chi-squared
Chi squared test

I have written code in MATLAB for a Chi-Square test. I wish to obtain P-values as 0.897 or 0.287 and so on, …

matlab statistics chi-squared weibull goodness-of-fit
Is there a Pair-Wise PostHoc Comparisons for the Chi-Square Test in R?

I am wondering if there exists in R a package/function to perform the: "Post Hoc Pair-Wise Comparisons for the …

r statistics chi-squared posthoc
Chi Square Analysis using for loop in R

I'm trying to do chi square analysis for all combinations of variables in the data and my code is: Data &…

r chi-squared