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data_open
2008 Dec 02
1
Left-truncated regression
...tions (one for censoring and one for
truncation).
I know how to make the linear regression for the left-censored variable
(hours) and how to plot the regression line into the (x,y) plot (packages
AER, Zeileis, Survival, ...):
tfit<-survreg(Surv(Hours,Hours>0,
type='left')~Yrs_Ed,data=DataWomen,dist='gaussian')
z<-predict(tfit,type="response")
plot(Yrs_Ed,Hours)
abline(tfit)
My aim is to compare the effects of truncation and censoring graphically by
plotting the two regression lines into one plot with both datasets (censored
and truncated).
I just can't figure ou...