R Dataset / Package COUNT / mdvis

Documentation

On this Picostat.com statistics page, you will find information about the mdvis data set which pertains to mdvis. The mdvis data set is found in the COUNT R package. You can load the mdvis data set in R by issuing the following command at the console data("mdvis"). This will load the data into a variable called mdvis. If R says the mdvis data set is not found, you can try installing the package by issuing this command install.packages("COUNT") and then attempt to reload the data. If you need to download R, you can go to the R project website. You can download a CSV (comma separated values) version of the mdvis R data set. The size of this file is about 93,542 bytes.


mdvis

Description

Data from a subset of the German Socio-Economic Panel (SOEP). The subset was created by Rabe-Hesketh and Skrondal (2005). Only working women are included in these data. Beginning in 1997, German health reform in part entailed a 200 co-payment as well as limits in provider reimbursement. Patients were surveyed for the one year panel (1996) prior to and the one year panel (1998) after reform to assess whether the number of physician visits by patients declined - which was the goal of reform legislation. The response, or variable to be explained by the model, is numvisit, which indicates the number of patient visits to a physician's office during a three month period.

Usage

data(mdvis)

Format

A data frame with 2,227 observations on the following 13 variables.

numvisit

visits to MD office 3mo prior

reform

1=interview yr post-reform: 1998;0=pre-reform:1996

badh

1=bad health; 0 = not bad health

age

Age(yrs 20-60)

educ

education(1:7-10;2=10.5-12;3=HSgrad+)

educ1

educ1= 7-10 years

educ2

educ2= 10.5-12 years

educ3

educ3= post secondary or high school

agegrp

age: 1=20-39; 2=40-49; 3=50-60

age1

age 20-39

age2

age 40-49

age3

age 50-60

loginc

log(household income in DM)

Details

mdvis is saved as a data frame. Count models typically use docvis as response variable. 0 counts are included

Source

German Socio-Economic Panel (SOEP), 1995 pre-reform; 1998 post reform. Created by Rabe-Hesketh and Skrondal (2005).

References

Hilbe, Joseph M (2007, 2011), Negative Binomial Regression, Cambridge University Press Hilbe, Joseph M (2009), Logistic Regression Models, Chapman & Hall/CRC Rabe-Hesketh, S. and A. Skrondal (2005). Multilevel and Longitudinal Modeling Using Stata, College Station: Stata Press.

Examples

data(mdvis)
glmmdp <- glm(numvisit ~ reform + factor(educ) + factor(agegrp), family=poisson, data=mdvis)
summary(glmmdp)
exp(coef(glmmdp))
library(MASS)
glmmdnb <- glm.nb(numvisit ~ reform + factor(educ) + factor(agegrp), data=mdvis)
summary(glmmdnb)
exp(coef(glmmdnb))
--

Dataset imported from https://www.r-project.org.

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Attachment Size
dataset-72455.csv 91.35 KB
Dataset License
GNU General Public License v2.0
Documentation License
GNU General Public License v2.0