Displaying 1 result from an estimated 1 matches for "zip1a".
2011 Jun 01
3
Zero-inflated regression models: predicting no 0s
...6.020 1.75e-09 ***
---
Signif. codes: 0 '***' 0.001 '**' 0.01 '*' 0.05 '.' 0.1 ' ' 1
Theta: count = 1.4539
Number of iterations in BFGS optimization: 12
Log-likelihood: -1.251e+04 on 9 Df
## - zeroinfl from the package (lpsc) - ##
> zip1A = zeroinfl(mydata_purge2$TOT ~ mydata_purge2$LC80 +
mydata_purge2$LC231 + mydata_purge2$DEM, data = food)
> summary(zip1A)
Call:
zeroinfl(formula = mydata_purge2$TOT ~ mydata_purge2$LC80 +
mydata_purge2$LC231 + mydata_purge2$DEM, data = food)
Pearson residuals:
Min 1Q Med...