| Yearsunspot {BSDA} | R Documentation |
Monthly sunspot activity from 1974 to 2000
Description
Data for Exercise 2.7
Usage
Yearsunspot
Format
A data frame/tibble with 252 observations on two variables
- number
average number of sunspots
- year
date
Source
NASA/Marshall Space Flight Center, Huntsville, AL 35812.
References
Kitchens, L. J. (2003) Basic Statistics and Data Analysis. Pacific Grove, CA: Brooks/Cole, a division of Thomson Learning.
Examples
plot(number ~ year, data = Yearsunspot)
[Package BSDA version 1.2.2 Index]