
correlation - What is the difference between linear regression on y ...
The insight that since Pearson's correlation is the same whether we do a regression of x against y, or y against x is a good one, we should get the same linear regression is a good one. It is …
Why are regression problems called "regression" problems?
Origin of 'regression' The term "regression" was coined by Francis Galton in the 19th century to describe a biological phenomenon. The phenomenon was that the heights of descendants of …
regression - What does it mean to regress a variable against …
As an example, the data is X = 1,...,100. The value of Y is plotted on the Y axis. The red line is the linear regression surface. Personally, I don't find the independent/dependent variable …
regression - What intuitively is "bias"? - Cross Validated
In regression we can get biased estimators of slopes by doing stepwise regression. A variable is more likely to be kept in a stepwise regression if the estimated slope is further from 0 and …
regression - Selecting best model based on linear, quadratic and …
I have a Java code that performs a linear regression on a set of data using the Gauss-Jordan elimination. It calculates a linear, quadratic and cubic functions using the least squares …
regression - Difference between confidence intervals and …
Regression results are typically estimated based upon parametric Student's t distribution parameters and typically regression, especially from poorly matched to the data regression …
regression - Choosing the best model from among different "best" …
Oct 27, 2011 · $\begingroup$ @FrankHarrell a little simulation can prove that the correlation between the p-values (presuming you're talking about the F-test or equivalent) and the AIC is …
regression - Including the interaction but not the main effects in a ...
Various texts on regression will tell you that you should never include an interaction term without the base effects --- that is not correct. One circumstance where it is appropriate to include an …
regression - What is the effect of dichotomising variables? - Cross ...
Oct 5, 2011 · A better alternative is often quantile regression. I wrote about this for NESUG recently. That paper is here. One exception to the above is when the categories are …
regression - Interpretation of log transformed predictor and/or ...
$\begingroup$ Readers here may also want to look at these closely related threads: How to interpret logarithmically transformed coefficients in linear regression, & when-and-why-to-take …