schz {season} | R Documentation |
Schizophrenia Births in Australia, 1930–1971
Description
Monthly number of babies born with schizophrenia in Australia from 1930 to 1971. The national number of births and number of cases are missing for January 1960 are missing.
Usage
schz
Format
A data frame with 504 observations on the following 6 variables.
- year
year of birth
- month
month of birth
- yrmon
a combination of year and month:
- NBirths
monthly number of births in Australia, used as an offset
- SczBroad
monthly number of schizophrenia births using the broad diagnostic criteria
- SOI
southern oscillation index
Source
From Prof John McGrath and colleagues, The University of Queensland, Brisbane.
Examples
data(schz)
plot(schz$yrmon, schz$SczBroad, type='o', xlab='Date',
ylab='Number of schizophrenia births')
[Package season version 0.3.15 Index]