Re: [R] Finding a mean value of a variable holding a dummy variablefixed

2008-03-30 Thread Simon Blomberg
esident))) > index[i]=min(which((president==unique(president)[i])==TRUE)) > > index > > ##Generate table with first approvals > > first.approval=data.frame(cbind(index,president[index],approval[index])) > names(first.approval)=c("Index","President","Approval") > first.approval > &

Re: [R] Finding a mean value of a variable holding a dummy variablefixed

2008-03-30 Thread Daniel Malter
sident[index],approval[index])) names(first.approval)=c("Index","President","Approval") first.approval Cheers, Daniel - cuncta stricte discussurus --------- -Ursprüngliche Nachricht- Von: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] Im Auftrag von Alexa

Re: [R] Finding a mean value of a variable holding a dummy variablefixed

2008-03-30 Thread Daniel Malter
OTECTED] Im Auftrag von Alexander Ovodenko Gesendet: Sunday, March 30, 2008 9:47 PM An: r-help@r-project.org Betreff: [R] Finding a mean value of a variable holding a dummy variablefixed I have time-series data on approval ratings of British Prime Ministers. The prime ministers dating from MacMillan onwa