search for: courvoisi

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2008 Sep 18
2
Writing greek letters and subscripts in graph
Dear R-users, I would like to write Greek letters followed by subscripts in a graph (on the X-axis and in a legend). I would appreciate any help. thank you, delphine courvoisier ************************************ Delphine Courvoisier Clinical Epidemiology Division University of Geneva Hospital +4122 37 29029
2008 Nov 11
1
simulate data with binary outcome and correlated predictors
...ot;,"IV2","IV3","DV") dataS$DV[1:(N*propSick)]<-1 dataS$DV<-factor(dataS$DV) dataS[1:(N*propSick),1:3]<-dataSick dataS[(N*propSick+1):N,1:3]<-dataHealthy _____________ thanks in advance for any suggestions, ************************************ Delphine Courvoisier Clinical Epidemiology Division University of Geneva Hospital +4122 37 29029
2010 Jan 28
0
using function boot
Dear R Users, I am trying to use the function boot of the boot package to sample from a dataframe of two character variables (N=1127). Each character variable can take five different values. Here is an example of the data: 1 b95-99.9 d25% 2 b95-99.9 a1% 3 b95-99.9 a1% 4 b95-99.9 a1% 5 b95-99.9 a1% 6 a>99.9 a1% 7 b95-99.9