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.
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
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
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