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ex0829: Autism Rates

Description

These data are the prevalence of autism per 10,000 ten-year old children in the United States in 1992, 1994, 1996, 1998, and 2000.

Usage

ex0829

Arguments

Format

A data frame with 5 observations on the following 2 variables.

Year

year

Prevalence

the number of autism cases per 10,000 ten-year old children

References

Newschaffer, C. J., Falb, M. D. and Gurney, J. G. (2005) National Autism Prevalence Trends From United States Special Education Data, Pediatrics 115: e277--e282.

Examples

Run this code
# NOT RUN {
str(ex0829)
# }

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