Displaying 2 results from an estimated 2 matches for "lscale".
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2010 Feb 12
1
scatterplot in Package CAR
Hi Folks,
Please,
when I ask the option reg.line at the scatterplot in package car, the OLS models includes a constant?
If not how can I do it sing the following code:
scatterplot(lfirms ~ lscale,
data=dataset,
reg.line=lm, smooth=FALSE, labels=FALSE,
span=0.5,
xlab="Relative Plant Fixed Cost",
ylab="Relative Number of Firms",
pch=c(18),
boxplots=FALSE,
main = "Relative Number of Firms x Relative Plant Fixed Cost",
pty...
2011 Aug 17
0
vglm regression with weibull distribution
...????? t2<-(sig-((b^2)*gamma(1+2/a)-mu^2))^2
????? rval<-t1+t2
????? rval
? }
? optim(c(1,1),f)$par
}
With the founded initial values I have I have the message. But When try great initial value for ishape and iscale I have this
regWeib0<-vglm(eqn0,family=weibull(lshape='logoff',lscale='loge',eshape=list(offset=-2),ishape=22,iscale=6),subset(br, fdh<1))
Messages d'avis :
1: In checkwz(wz, M = M, trace = trace, wzeps = control$wzepsilon) :
? 1525 elements replaced by 1.819e-12
2: In checkwz(wz, M = M, trace = trace, wzeps = control$wzepsilon) :
? 1525 elements repla...