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Bookmark or Share- 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 tall ancestors tend to regress down towards a normal average (a phenomenon also known as regression toward the mean)(Galton, reprinted 1989).
- regression - What does it mean to regress a variable against another ...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 language to be that helpful. Those words connote causality, but regression can work the other way round too (use Y to predict X).
- In linear regression, when is it appropriate to use the log of an ...This is because any regression coefficients involving the original variable - whether it is the dependent or the independent variable - will have a percentage point change interpretation. If we use, say, log( unem ) in a regression, where unem is the percentage of unemployed individuals, we must be very careful to distinguish between a ...
- regression - Whats the relationship between $R^2$ and F-Test? - Cross ...What is the relationship between simple linear and multiple linear regression coefficients? 1 Relationship between correlation and slope for simple linear regression WITHOUT intercept
- regression - What are the consequences of "copying" a data set for OLS ...Suppose I have a random sample $\\lbrace X_i, Y_i\\rbrace_{i=1}^n$. Assume this sample is such that the Gauss-Markov assumptions are satisfied such that I can construct an OLS estimator where $$\\hat...
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