R Dataset / Package vcd / Hospital


On this R-data statistics page, you will find information about the Hospital data set which pertains to Hospital data. The Hospital data set is found in the vcd R package. You can load the Hospital data set in R by issuing the following command at the console data("Hospital"). This will load the data into a variable called Hospital. If R says the Hospital data set is not found, you can try installing the package by issuing this command install.packages("vcd") 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 Hospital R data set. The size of this file is about 76 bytes.

Hospital data


The table relates the length of stay (in years) of 132 long-term schizophrenic patients in two London mental hospitals with the frequency of visits.




A 2-dimensional array resulting from cross-tabulating 132 patients. The variables and their levels are as follows:

R project statistics dataset table
No Name Levels
1 Visit Frequency Regular, Less than monthly, Never
2 Length of Stay 2--9 years, 10--19 years, 20+ years


Wing (1962) who collected this data concludes that the longer the length of stay in hospital, the less frequent the visits.

Haberman (1974) notes that this pattern does not increase from the "Less than monthly" to the "Never" group, which are homogeneous.


S.J Haberman (1974): Log-linear models for frequency tables with ordered classifications. Biometrics, 30:689–700.


J.K. Wing (1962): Institutionalism in mental hospitals. British Journal of Social Clinical Psychology, 1:38–51.


data("Hospital")mosaic(t(Hospital), shade = TRUE)
mosaic(Hospital, shade = TRUE)
sieve(Hospital, shade = TRUE)
assoc(Hospital, shade = TRUE)

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

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Attachment Size
dataset-15300.csv 76 bytes
Dataset License
GNU General Public License v2.0
Documentation License
GNU General Public License v2.0

This documentation is licensed under GPLv3 or later.