births78: Births by Day

Description Usage Format Examples

Description

The number of live births in the United States for each day of the year 1978.

Usage

1

Format

A data frame with 365 observations on the following 3 variables.

date

date (as a factor)

births

number of live births

dayofyear

number of days since start of year

Examples

1
2
data(births78)
xyplot(births ~ dayofyear, births78)

fastR documentation built on May 2, 2019, 5:53 p.m.