search for: metabolich

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2013 Aug 22
1
corrgram (package corrgram): how to plot multiple correlograms in the same page?
...ver, the function does not seem to use the base graphic system, as setting out the multiple figure layout with, e.g., par(mfrow=c(2, 2,)) does not work. Does anybody know a workaround for this? Many thanks in advance for any advice best giuseppe -- Giuseppe Pagnoni, PhD Dip. Scienze Biomediche, Metaboliche e Neuroscienze Sezione Fisiologia e Neuroscienze Univ. di Modena e Reggio Emilia Via Campi 287 I-41125 Modena, Italy Tel: +39-059-205-5742 Fax: +39-059-205-5363 [[alternative HTML version deleted]]
2013 Jun 07
1
Function nlme::lme in Ubuntu (but not Win or OS X): "Non-positive definite approximate variance-covariance"
...figure out the reason why I get such a difference in the output: all the machines are running the latest version of R (3.0.1) and nlme package (3.1-109) as of today (updated from the CRAN master site). Many thanks in advance for any suggestions, best -- Giuseppe Pagnoni Dip. Scienze Biomediche, Metaboliche e Neuroscienze Sezione Fisiologia e Neuroscienze Univ. di Modena e Reggio Emilia Via Campi 287 I-41125 Modena, Italy Tel: +39-059-205-5742 Fax: +39-059-205-5363 [[alternative HTML version deleted]]
2012 Dec 02
1
Repeated-measures anova with a within-subject covariate (or varying slopes random-effects?)
...uld lme() be used instead (and with which formula?)? Many thanks in advance to anybody who'd be so kind to offer their advice or tip on this. I have scoured the web and some textbooks for a few days now, but to little avail. very best giuseppe -- Giuseppe Pagnoni Dip. Scienze Biomediche, Metaboliche e Neuroscienze Sezione Fisiologia e Neuroscienze Univ. di Modena e Reggio Emilia Via Campi 287 I-41125 Modena, Italy Tel: +39-059-205-5742 Fax: +39-059-205-5363