search for: tidecod

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Fw: nested linear model; with common intercept
2006 Oct 13
1
Fw: nested linear model; with common intercept
...ection to which I am now facing. Earlier Posting:--- I am sorry if this is more of a stats question than an R-question, but I have found it difficult to get a clear answer by other means. Q. Would it be "wrong" to specify a nested model and retain a common intercept, e.g. lm(NH4 ~ Site/TideCode + 1) I am aware (?) that my Site-coefficients are now calculated relative to my reference Site (treatment.contrasts), *but* that my TideCode levels now relate to their reference level within Site. Is that correct? Thank you in advance for help. Regards, Mark Difford. Mark Difford Ph.D. c...
nested design; intercept
2006 Oct 04
1
nested design; intercept
Dear R-help, I am sorry if this is more of a stats question than an R-question, but I have found it difficult to get a clear answer by other means. Q. Would it be "wrong" to specify a nested model and retain a common intercept, e.g. lm(NH4 ~ Site/TideCode + 1) I am aware (?) that my Site-coefficients are now calculated relative to my reference Site (treatment.contrasts), *but* that my TideCode levels now relate to their reference level within Site. Is that correct? Thank you in advance for help. Regards, Mark Difford. Mark Difford Ph.D. c...