fertil3: fertil3

Description Usage Format Used in Text Source Examples

Description

Wooldridge Source: L.A. Whittington, J. Alm, and H.E. Peters (1990), “Fertility and the Personal Exemption: Implicit Pronatalist Policy in the United States,” American Economic Review 80, 545-556. The data are given in the article. Data loads lazily.

Usage

1
data('fertil3')

Format

A data.frame with 72 observations on 24 variables:

Used in Text

pages 358, 377, 378, 397-398, 401, 408, 441, 649, 664-665, 673

Source

https://www.cengage.com/cgi-wadsworth/course_products_wp.pl?fid=M20b&product_isbn_issn=9781111531041

Examples

1

Example output

'data.frame':	72 obs. of  24 variables:
 $ gfr   : num  125 127 125 123 121 ...
 $ pe    : num  0 0 0 0 19.3 ...
 $ year  : int  1913 1914 1915 1916 1917 1918 1919 1920 1921 1922 ...
 $ t     : int  1 2 3 4 5 6 7 8 9 10 ...
 $ tsq   : int  1 4 9 16 25 36 49 64 81 100 ...
 $ pe_1  : num  NA 0 0 0 0 ...
 $ pe_2  : num  NA NA 0 0 0 ...
 $ pe_3  : num  NA NA NA 0 0 ...
 $ pe_4  : num  NA NA NA NA 0 ...
 $ pill  : int  0 0 0 0 0 0 0 0 0 0 ...
 $ ww2   : int  0 0 0 0 0 0 0 0 0 0 ...
 $ tcu   : num  1 8 27 64 125 216 343 512 729 1000 ...
 $ cgfr  : num  NA 1.9 -1.6 -1.6 -2.4 ...
 $ cpe   : num  NA 0 0 0 19.3 ...
 $ cpe_1 : num  NA NA 0 0 0 ...
 $ cpe_2 : num  NA NA NA 0 0 ...
 $ cpe_3 : num  NA NA NA NA 0 ...
 $ cpe_4 : num  NA NA NA NA NA ...
 $ gfr_1 : num  NA 125 127 125 123 ...
 $ cgfr_1: num  NA NA 1.9 -1.6 -1.6 ...
 $ cgfr_2: num  NA NA NA 1.9 -1.6 ...
 $ cgfr_3: num  NA NA NA NA 1.9 ...
 $ cgfr_4: num  NA NA NA NA NA ...
 $ gfr_2 : num  NA NA 125 127 125 ...
 - attr(*, "time.stamp")= chr "25 Jun 2011 23:03"

wooldridge documentation built on June 24, 2021, 9:07 a.m.