[R] Kronecker product in PROC MIXED and lme

time points. The matrix V is the correlation matrix of the repeated measures on a given response variable, and is assumed to be the same for all response variables.' Is it possible? TIA Giovanni -- dr. Giovanni Parrinello External Lecturer Medical Statistics Unit Department of Biomedical Sciences

[R] R is not a validated software package..

statistical software system. Could someone suggest me a 'polite' answer? TIA Giovanni -- dr. Giovanni Parrinello External Lecturer Medical Statistics Unit Department of Biomedical Sciences Viale Europa, 11 - 25123 Brescia Italy Tel: +390303717528 Fax: +390303717488 email: [EMAIL PROTECTED

[R] Hosmer-lemeshow test for survival

Dear All, I am looking for function's code to implement the Hosmer-Lemeshow gof test for survival data. Could anyone share it? TIA Mario [[alternative HTML version deleted]] __ R-help@stat.math.ethz.ch mailing list

[R] Error in upgrade

Dear All, update.packages(ask='graphics') --- Please select a CRAN mirror for use in this session --- Error in .readRDS(pfile) : unknown input format. ??? TIA Giovanni -- dr. Giovanni Parrinello Department of Biotecnologies Medical Statistics Unit University of Brescia Viale Europa, 11 25123

[R] Error in load

Dear All, can anyone explain this message Error in load(matched2.RData) : Value of SET_STRING_ELT() must be a 'CHARSXP' not a 'builtin'? Have I the possibility to retrieve the data? TIA Giovanni -- dr. Giovanni Parrinello Department of Biotecnologies Medical Statistics Unit University

[R] update.packages

: I have already tried to solve the problem reinstalling R or changing the options of update.packages.. -- dr. Giovanni Parrinello Department of Biotecnologies Medical Statistics Unit University of Brescia Viale Europa, 11 25123 Brescia email: [EMAIL PROTECTED] Phone: +390303717528 Fax

[R] Semi-competing Risk

Dear All, I am looking, before to do it by myself, for some code to implement the approach by Fine et( Biometrika 2001) 'On semi-competing risk data'. TIA Giovanni -- dr. Giovanni Parrinello Department of Biotecnologies Medical Statistics Unit University of Brescia Viale Europa, 11 25123

[R] Propensity score and three treatments

Dear All, I would like to find something ( references, code,..) to implement a comparison of three treatments in an observational study using the 'Propensity Score'. Any help is much appreciated. Thanks! Giovanni -- dr. Giovanni Parrinello Department of Biotecnologies Medical Statistics Unit

[R] Strange behaviour of load

loaded. Any idea? TIA Giovanni dr. Giovanni Parrinello Section of Medical Statistics Department of Biotecnologies Viale Europa, 11 25100 Brescia Italy Tel: +3930/3717528 Fax: +3930/3717488 [[alternative HTML version deleted]] __ R-help

[R] Hosmer-Lemeshow gof test for survival data

Dear All, I am looking for function's code to implement the Hosmer-Lemeshow gof test for survival data. Could anyone share it? TIA Gioavnni PS: I know that this test has low power, depends from dr. Giovanni Parrinello Section of Medical Statistics Department of Biotecnologies Viale

[R] residuals.coxph

Giovanni PS: R 2.2.0 Windows XP HE dr. Giovanni Parrinello Section of Medical Statistics Department of Biotecnologies Viale Europa, 11 25100 Brescia Italy Tel: +3930/3717528 Fax: +3930/3717488 [[alternative HTML version deleted]] __ R-help