ex1028 {Sleuth2}R Documentation

El Nino and Hurricanes

Description

Data set with the numbers of Atlantic Basin tropical storms and hurricanes for each year from 1950–1997. The variable storm index is an index of overall intensity of hurricane season. Also listed are whether the year was a cold, warm or neutral El Nino year and a variable indicating whether West Africa was wet or dry that year.

Usage

ex1028

Format

A data frame with 48 observations on the following 7 variables.

Year
year
ElNino
a factor with levels "cold", "neutral" and "warm"
Temperature
numeric variable with values -1 if ElNino is "cold", 0 if "neutral" and 1 if "warm"
WestAfrica
numeric variable indicating whether West Africa was wet (1) or dry (0)
Storms
number of storms
Hurricanes
number of hurricanes
StormIndex
index of overall intensity of hurricane season

Source

Ramsey, F.L. and Schafer, D.W. (2002). The Statistical Sleuth: A Course in Methods of Data Analysis (2nd ed), Duxbury.

References

Data were gathered by William Gray of Colorado State University and reported on USA Today weather page: http://www.usatoday.com/weather/whurnum.htm

Examples

str(ex1028)

[Package Sleuth2 version 1.0-1 Index]