ex1028 {Sleuth3} | 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. (2013). The Statistical Sleuth: A Course in Methods of Data Analysis (3rd ed), Cengage Learning.
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)