ZIM (version 1.1.0)

injury: Example: Injury Series from Occupational Health

Description

Monthly number of injuries in hospitals from July 1988 to October 1995.

References

Yau, K. K. W., Lee, A. H. and Carrivick, P. J. W. (2004). Modeling zero-inflated count series with application to occupational health. Computer Methods and Programs in Biomedicine, 74, 47-52.

Examples

# NOT RUN {
data(injury)
plot(injury, type = "o", pch = 20, xaxt = "n", yaxt = "n", ylab = "Injury Count")
  axis(side = 1, at = seq(1, 96, 8))
  axis(side = 2, at = 0:9)
  abline(v = 57, lty = 2)
  mtext("Pre-intervention",  line = 1, at = 25, cex = 1.5)
  mtext("Post-intervention", line = 1, at = 80, cex = 1.5)
# }