present: Birth counts
In OpenIntroStat/openintro: Datasets and Supplemental Functions from 'OpenIntro' Textbooks and Labs
present R Documentation
Birth counts
Description
An updated version of the historical Arbuthnot dataset. Numbers of boys and
girls born in the United States between 1940 and 2002.
Usage
present
Format
A data frame with 63 observations on the following 3 variables.
- year
Year.
- boys
Number of boys born.
- girls
Number of girls born.
Source
Mathews, T. J., and Brady E. Hamilton. "Trend analysis of the sex
ratio at birth in the United States." National vital statistics reports
53.20 (2005): 1-17.
Examples
library(ggplot2)
ggplot(present, mapping = aes(x = year, y = boys / girls)) +
geom_line()
OpenIntroStat/openintro documentation built on June 4, 2024, 4:19 a.m.
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| present | R Documentation |
Birth counts
Description
An updated version of the historical Arbuthnot dataset. Numbers of boys and girls born in the United States between 1940 and 2002.
Usage
present
Format
A data frame with 63 observations on the following 3 variables.
- year
Year.
- boys
Number of boys born.
- girls
Number of girls born.
Source
Mathews, T. J., and Brady E. Hamilton. "Trend analysis of the sex ratio at birth in the United States." National vital statistics reports 53.20 (2005): 1-17.
Examples
library(ggplot2)
ggplot(present, mapping = aes(x = year, y = boys / girls)) +
geom_line()
R Package Documentation
Browse R Packages
We want your feedback!
Note that we can't provide technical support on individual packages. You should contact the package authors for that.
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