Displaying 2 results from an estimated 2 matches for "siduals".
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residuals
2008 Nov 18
1
Re siduals from a linear model
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 sig...
2009 Apr 09
0
re siduals
...Tool B 0 1
Tool C 1 0
Model<-Lm (y~X1+X2)
My question is on the residual plot, it looks like three cluster because I
have three tool types. Is such a plot is ok with the constant variance
assumption and normality (below is a link for the plot)?I have never seen
such a plot of the residuals
http://www.nabble.com/file/p22972254/question.JPG question.JPG
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