# Questions tagged [regression]

Techniques for analyzing the relationship between one (or more) "dependent" variables and "independent" variables.

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### What does RMS stand for?

A physics application I'm using reports for a first order fit of the three points below as $11.388612x - 301.878$. x, y 35, 0 430, 4861 656, 7000 It ...
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### Fitting models in R where coefficients are subject to linear restriction(s)?

How should I define a model formula in R, when one (or more) exact linear restrictions binding the coefficients is available. As an example, say that you know that b1 = 2*b0 in a simple linear ...
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### How to model prices?

I asked this question on the matemathics stackexchange site and was recommended to ask here. I'm working on a hobby project and would need some help with the following problem. A bit of context Let'...
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### Can the multiple linear correlation coefficient be negative?

I am using IDL regression function to compute the multiple linear correlation coefficient... ...
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### What is the prediction error while using deming regression (weighted total least squares)

Deming Regression is a regression technique taking into account uncertainty in both the explanatory and dependent variable. Although I have found some interesting references on the calculation of ...
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### Stochastic coordinate descent for $\ell_1$ regularization

I recently came across the following paper: "Stochastic Methods for $\ell_1$ Regularized Loss Minimization" by Shai Shalev-Shwartz and Ambuj Tewari, ICML 2009. In the paper, the authors propose a ...
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### Lasso fitting by coordinate descent: open-source implementations? [closed]

What open-source implementations -- in any language -- exist out there that can compute lasso regularisation paths for linear regression by coordinate descent? So far I am aware of: glmnet scikits....
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