German health registry for the years 1984-1988. Health information for
years prior to health reform.
Usage
data(rwm)
Format
A data frame with 27,326 observations on the following 4 variables.
docvis
number of visits to doctor during year (0-121)
age
age: 25-64
educ
years of formal education (7-18)
hhninc
household yearly income in DM/1000)
Details
rwm is saved as a data frame.
Count models typically use docvis as response variable. 0 counts are included
Source
German Health Reform Registry, years pre-reform 1984-1988,
From Hilbe and Greene (2008)
References
Hilbe, Joseph M (2011), Negative Binomial Regression, Cambridge University Press
Hilbe, J.M. and W.H. Greene (2008), "Count Response Regression Models", in Rao, CR,
JP Miller and DC Rao (eds), Handbook of Statistics 27: Epidemiology and Medical
Statistics, Amsterdam: Elsevier. pp. 210-252.
R version 3.3.1 (2016-06-21) -- "Bug in Your Hair"
Copyright (C) 2016 The R Foundation for Statistical Computing
Platform: x86_64-pc-linux-gnu (64-bit)
R is free software and comes with ABSOLUTELY NO WARRANTY.
You are welcome to redistribute it under certain conditions.
Type 'license()' or 'licence()' for distribution details.
R is a collaborative project with many contributors.
Type 'contributors()' for more information and
'citation()' on how to cite R or R packages in publications.
Type 'demo()' for some demos, 'help()' for on-line help, or
'help.start()' for an HTML browser interface to help.
Type 'q()' to quit R.
> library(COUNT)
Loading required package: msme
Loading required package: MASS
Loading required package: lattice
Loading required package: sandwich
> png(filename="/home/ddbj/snapshot/RGM3/R_CC/result/COUNT/rwm.Rd_%03d_medium.png", width=480, height=480)
> ### Name: rwm
> ### Title: rwm
> ### Aliases: rwm
> ### Keywords: datasets
>
> ### ** Examples
>
> data(rwm)
> glmrwp <- glm(docvis ~ age + educ + hhninc, family=poisson, data=rwm)
> summary(glmrwp)
Call:
glm(formula = docvis ~ age + educ + hhninc, family = poisson,
data = rwm)
Deviance Residuals:
Min 1Q Median 3Q Max
-3.4573 -2.2402 -1.0531 0.4035 25.0457
Coefficients:
Estimate Std. Error z value Pr(>|z|)
(Intercept) 0.8523131 0.0254907 33.44 <2e-16 ***
age 0.0212508 0.0003047 69.75 <2e-16 ***
educ -0.0420873 0.0017279 -24.36 <2e-16 ***
hhninc -0.0532375 0.0022036 -24.16 <2e-16 ***
---
Signif. codes: 0 '***' 0.001 '**' 0.01 '*' 0.05 '.' 0.1 ' ' 1
(Dispersion parameter for poisson family taken to be 1)
Null deviance: 164286 on 27325 degrees of freedom
Residual deviance: 156590 on 27322 degrees of freedom
AIC: 209636
Number of Fisher Scoring iterations: 6
> exp(coef(glmrwp))
(Intercept) age educ hhninc
2.3450649 1.0214782 0.9587860 0.9481548
> library(MASS)
> glmrwnb <- glm.nb(docvis ~ age + educ + hhninc, data=rwm)
> summary(glmrwnb)
Call:
glm.nb(formula = docvis ~ age + educ + hhninc, data = rwm, init.theta = 0.5164359976,
link = log)
Deviance Residuals:
Min 1Q Median 3Q Max
-1.6102 -1.3508 -0.4509 0.1483 5.4209
Coefficients:
Estimate Std. Error z value Pr(>|z|)
(Intercept) 0.913261 0.063637 14.351 <2e-16 ***
age 0.020429 0.000817 25.005 <2e-16 ***
educ -0.045957 0.004212 -10.911 <2e-16 ***
hhninc -0.047681 0.005463 -8.728 <2e-16 ***
---
Signif. codes: 0 '***' 0.001 '**' 0.01 '*' 0.05 '.' 0.1 ' ' 1
(Dispersion parameter for Negative Binomial(0.5164) family taken to be 1)
Null deviance: 29565 on 27325 degrees of freedom
Residual deviance: 28511 on 27322 degrees of freedom
AIC: 120654
Number of Fisher Scoring iterations: 1
Theta: 0.51644
Std. Err.: 0.00596
2 x log-likelihood: -120644.04200
> exp(coef(glmrwnb))
(Intercept) age educ hhninc
2.4924366 1.0206393 0.9550825 0.9534375
>
>
>
>
>
> dev.off()
null device
1
>