Top "Goodness-of-fit" questions

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
Significant mismatch between `r2_score` of `scikit-learn` and the R^2 calculation

Question Why is there a significant difference between the r2_score function in scikit-learn and the formula for the Coefficient …

python numpy scikit-learn goodness-of-fit
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
How to perform a chi-squared goodness of fit test using scientific libraries in Python?

Let's assume I have some data I obtained empirically: from scipy import stats size = 10000 x = 10 * stats.expon.rvs(size=size) + 0.2 * …

python scipy statsmodels goodness-of-fit
How to create a null model for conditional logistic regression in R?

I would like to see if including some covariates will give me an AIC which is smaller than the null …

r goodness-of-fit