charity: charity

charityR Documentation

charity

Description

Wooldridge Source: P.H. Franses and R. Paap (2001), Quantitative Models in Marketing Research. Cambridge: Cambridge University Press. Professor Franses kindly provided the data. Data loads lazily.

Usage

data('charity')

Format

A data.frame with 4268 observations on 8 variables:

  • respond: =1 if responded with gift

  • gift: amount of gift, Dutch guilders

  • resplast: =1 if responded to most recent mailing

  • weekslast: number of weeks since last response

  • propresp: response rate to mailings

  • mailsyear: number of mailings per year

  • giftlast: amount of most recent gift

  • avggift: average of past gifts

Notes

This data set can be used to illustrate probit and Tobit models, and to study the linear approximations to them.

Used in Text: pages 65, 112-113, 266-267, 628

Source

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

Examples

 str(charity)

wooldridge documentation built on May 3, 2023, 5:06 p.m.