Displaying 1 result from an estimated 1 matches for "mydata_purge2".
2011 Jun 01
3
Zero-inflated regression models: predicting no 0s
...te a bit of
zeros in the response variable.
I have tried multiple options, but I might do something wrong as every time
I look at the fitted values it do not comprise any 0.
Here is what I tried so far:
"
## - hurdle from the package (lpsc) - ##
> hurdle1 = hurdle(formula = mydata_purge2$TOT ~ mydata_purge2$LC80 +
mydata_purge2$LC231 + mydata_purge2$DEM, data = food, dist = "negbin",
zero.dist = "binomial")
> summary(hurdle1)
Call:
hurdle(formula = mydata_purge2$TOT ~ mydata_purge2$LC80 +
mydata_purge2$LC231 + mydata_purge2$DEM, data = food,
dist...