ex0829: Autism Rates

In Sleuth3: Data Sets from Ramsey and Schafer's "Statistical Sleuth (3rd Ed)"

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

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

Source

Ramsey, F.L. and Schafer, D.W. (2013). The Statistical Sleuth: A Course in Methods of Data Analysis (3rd ed), Cengage Learning.

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

str(ex0829)

Example output

'data.frame':	5 obs. of  2 variables:
 $ Year      : int  1992 1994 1996 1998 2000
 $ Prevalence: num  3.5 5.3 7.8 11.8 18.3

Sleuth3 documentation built on May 2, 2019, 6:41 a.m.