Top "Statistics" questions

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How do I calculate r-squared using Python and Numpy?

I'm using Python and Numpy to calculate a best fit polynomial of arbitrary degree. I pass a list of x …

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How to plot ROC curve in Python

I am trying to plot a ROC curve to evaluate the accuracy of a prediction model I developed in Python …

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Compute a confidence interval from sample data

I have sample data which I would like to compute a confidence interval for, assuming a normal distribution. I have …

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Find p-value (significance) in scikit-learn LinearRegression

How can I find the p-value (significance) of each coefficient? lm = sklearn.linear_model.LinearRegression() lm.fit(x,y)

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How to calculate probability in a normal distribution given mean & standard deviation?

How to calculate probability in normal distribution given mean, std in Python? I can always explicitly code my own function …

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Is Python faster and lighter than C++?

I've always thought that Python's advantages are code readibility and development speed, but time and memory usage were not as …

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Multiple linear regression in Python

I can't seem to find any python libraries that do multiple regression. The only things I find only do simple …

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How to calculate the 95% confidence interval for the slope in a linear regression model in R

Here is an exercise from Introductory Statistics with R: With the rmr data set, plot metabolic rate versus body weight. …

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Export data from Chrome developer tool

Network analysis by Chrome when page loads I would like to export this data to Microsoft Excel so that I …

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Error in contrasts when defining a linear model in R

When I try to define my linear model in R as follows: lm1 <- lm(predictorvariable ~ x1+x2+x3, …

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