ex1111: Chernobyl Fallout

Description Usage Format Source Examples

Description

The data are are the cesium concentrations (in Bq/kg) in soil and in mushrooms at 17 wooded locations in Umbria, Central Italy, from August 1986 to November 1989. Researchers wished to investigate the cesium transfer from contaminated soil to plants after the Chernobyl nuclear power plant accident in April 1986 by describing the distribution of the mushroom concentration as a function of soil concentration.

Usage

1

Format

A data frame with 17 observations on the following 2 variables.

Mushroom

the cesium concentration in mushrooms, Bq/kg

Soil

the cesium concentration in soil, Bq/kg

Source

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

Examples

1

Example output

'data.frame':	17 obs. of  2 variables:
 $ Mushroom: int  1 9 14 17 20 17 14 15 34 41 ...
 $ Soil    : int  33 55 138 319 415 425 442 475 279 329 ...

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