Because they are bootstrap based. -pd
> On 26 Feb 2017, at 08:51 , vod vos <vod...@zoho.com> wrote: > > > Hi Everybody, > > aa<- > c(1,5,10,20,50,40,50,60,70,80,90,100,150,200,250,300,350,400,450,500,550,600,650,700,750,800,850,900,950,1000) > bb<- > c(8,16,30,24,39,54,40,68,72,62,122,80,181,259,275,380,320,434,479,587,626,648,738,766,793,851,871,957,1001,960) > > library(mcr) > > pbreg<- mcreg(aa,bb, method.reg = "PaBa") > > pbreg@para > > EST SE LCI UCI > Intercept 7.081869 NA -2.824761 20.169193 > Slope 1.055312 NA 1.024968 1.096982 > > but when you calculate again, > > pbreg<- mcreg(aa,bb, method.reg = "PaBa") > > pbreg@para > > EST SE LCI UCI > Intercept 7.081869 NA -1.834744 20.598912 > Slope 1.055312 NA 1.025339 1.095888 > > pbreg@para show different values of LCI and UCI compared to the first time, > how does this happen? > > Thanks. > > ______________________________________________ > R-help@r-project.org mailing list -- To UNSUBSCRIBE and more, see > https://stat.ethz.ch/mailman/listinfo/r-help > PLEASE do read the posting guide http://www.R-project.org/posting-guide.html > and provide commented, minimal, self-contained, reproducible code. -- Peter Dalgaard, Professor, Center for Statistics, Copenhagen Business School Solbjerg Plads 3, 2000 Frederiksberg, Denmark Phone: (+45)38153501 Office: A 4.23 Email: pd....@cbs.dk Priv: pda...@gmail.com ______________________________________________ R-help@r-project.org mailing list -- To UNSUBSCRIBE and more, see https://stat.ethz.ch/mailman/listinfo/r-help PLEASE do read the posting guide http://www.R-project.org/posting-guide.html and provide commented, minimal, self-contained, reproducible code.