Discover the fundamentals of linear regression and its applications. Learn more and enhance your data analysis skills today.

I like google docs because it is in a webpage. However, it does lack one thing that both Open Office and Excel have - the 'trendline'. Trendline is a dumb word for linear regression fit. What is a ...

Added-variable plots are useful for a variety of data-analytic purposes but can be seriously misleading when used to investigate curvature and predictor transformations in linear regression, unless ...

Residual plots can be used to validate assumptions about the regression model.

It only makes sense. I did linear regression in google docs and I did it for python. But what if you neither of those? Can you do it by hand? Why yes. Suppose I take the same data from the pylab ...