[R] Cox model and irregulary observed time-dependent covariate

[Giovanni Parrinello]

Dear All,
I am looking for a funtion to reshape my dataset from the longe form with a 
record for each patient with the informations ( times and values ) for the 
different covariate to the form adapt to the analysis in R.
TIA
Giovanni Parrinello


dr. Giovanni Parrinello
Medical Statistics Unit
Department of Medical Sciences
University of Brescia
Via Valsabbina, 19
25127 Brescia
Italy
tel.: +39303717528
fax:+39303701157
E-mail: parrinel at med.unibs.it
url: http://www.med.unibs.it/dip/stat/index.html 
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