infmrt

Wooldridge Source: Statistical Abstract of the United States, 1990 and 1994. (For example, the infant mortality rates come from Table 113 in 1990 and Table 123 in 1994.) Data loads lazily.

datasets

Students learning both econometrics and R may find the introduction
to both challenging. The wooldridge data package aims to lighten the task by efficiently
loading any data set found in the text with a single command. Data sets have been
compressed to a fraction of their original size. Documentation files contain page numbers,
the original source, time of publication, and notes from the author suggesting avenues for
further analysis and research. If one needs an introduction to R model syntax, a
vignette contains solutions to examples from chapters of the text.
Data sets are from the 7th edition (Wooldridge 2020, ISBN-13: 978-1-337-55886-0),
and are backwards compatible with all previous versions of the text.

Justin Shea

wooldridge

115 Data Sets from "Introductory Econometrics: A Modern
Approach, 7e" by Jeffrey M. Wooldridge

Justin M. Shea

Kennth H. Brown

infmrt function

A data.frame with 102 observations on 12 variables:<ul>
<li>year: 1987 or 1990</li>
<li>infmort: deaths per 1,000 live births</li>
<li>afdcprt: afdc partic., 1000s</li>
<li>popul: population, 1000s</li>
<li>pcinc: per capita income</li>
<li>physic: drs. per 100,000 civilian pop.</li>
<li>afdcper: percent on AFDC</li>
<li>d90: =1 if year == 1990</li>
<li>lpcinc: log(pcinc)</li>
<li>lphysic: log(physic)</li>
<li>DC: =1 for Washington DC</li>
<li>lpopul: log(popul)</li>
</ul>

Format

An interesting exercise is to add the percentage of the population on AFDC (afdcper) to the infant mortality equation. Pooled OLS and first differencing can give very different estimates. Adding the years 1998 and 2002 and applying fixed effects seems natural. Intervening years can be added, too, although variation in the key variables from year to year might be minimal.
Used in Text: pages 330-331, 339

infmrt: infmrt

Description

Usage

Arguments

Format

Notes

Examples