driving | R Documentation |
driving
Description
Wooldridge Source: Freeman, D.G. (2007), “Drunk Driving Legislation and Traffic Fatalities: New Evidence on BAC 08 Laws,” Contemporary Economic Policy 25, 293–308. Professor Freeman kindly provided the data. Data loads lazily.
Usage
data('driving')
Format
A data.frame with 1200 observations on 56 variables:
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year: 1980 through 2004
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state: 48 continental states, alphabetical
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sl55: speed limit == 55
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sl65: speed limit == 65
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sl70: speed limit == 70
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sl75: speed limit == 75
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slnone: no speed limit
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seatbelt: =0 if none, =1 if primary, =2 if secondary
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minage: minimum drinking age
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zerotol: zero tolerance law
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gdl: graduated drivers license law
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bac10: blood alcohol limit .10
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bac08: blood alcohol limit .08
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perse: administrative license revocation (per se law)
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totfat: total traffic fatalities
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nghtfat: total nighttime fatalities
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wkndfat: total weekend fatalities
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totfatpvm: total fatalities per 100 million miles
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nghtfatpvm: nighttime fatalities per 100 million miles
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wkndfatpvm: weekend fatalities per 100 million miles
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statepop: state population
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totfatrte: total fatalities per 100,000 population
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nghtfatrte: nighttime fatalities per 100,000 population
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wkndfatrte: weekend accidents per 100,000 population
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vehicmiles: vehicle miles traveled, billions
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unem: unemployment rate, percent
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perc14_24: percent population aged 14 through 24
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sl70plus: sl70 + sl75 + slnone
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sbprim: =1 if primary seatbelt law
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sbsecon: =1 if secondary seatbelt law
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d80: =1 if year == 1980
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d81:
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d82:
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d83:
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d84:
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d85:
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d86:
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d87:
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d88:
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d89:
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d90:
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d91:
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d92:
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d93:
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d94:
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d95:
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d96:
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d97:
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d98:
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d99:
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d00:
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d01:
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d02:
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d03:
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d04: =1 if year == 2004
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vehicmilespc:
Notes
Several more years of data are available and may further shed light on the effectiveness of several traffic laws.
Used in Text: not used, but see page 695
Source
https://www.cengage.com/cgi-wadsworth/course_products_wp.pl?fid=M20b&product_isbn_issn=9781111531041
Examples
str(driving)