[R] Re siduals from a linear model

From: Manuel Ramon <manugen_at_gmail.com>
Date: Tue, 18 Nov 2008 01:23:20 -0800 (PST)

I'm working with a linear model with four factors as explicatory variables, being all of them significally (e.g. y ~ a + b + c + d). I thought that the residuals of a linear model keep the variance not explained by the model, so if I use my model with just three factors (y ~ a + b + c) and keep the residuals is expected that in a new model with the residuals as dependent variable and the four factor as independent (residuals ~ d) that factor (d) will be significally. Is that truth or not?

Manuel Ramón Fernández
Group of Reproductive Biology (GBR)
University of Castilla-La Mancha (Spain) mramon_at_jccm.es
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