wooldridge (version 1.1.0)

driving: driving

Description

Data loads lazily. Type data(driving) into the console.

Usage

data(driving)

Format

A data.frame with 1200 rows and 56 variables:

• year. 1980 through 2004

• state. 48 continental states, alphabetical

• sl55. speed limit == 55

• sl65. speed limit == 65

• sl70. speed limit == 70

• sl75. speed limit == 75

• slnone. no speed limit

• seatbelt. =0 if none, =1 if primary, =2 if secondary

• minage. minimum drinking age

• zerotol. zero tolerance law

• gdl. graduated drivers license law

• bac10. blood alcohol limit .10

• bac08. blood alcohol limit .08

• perse. administrative license revocation (per se law)

• totfat. total traffic fatalities

• nghtfat. total nighttime fatalities

• wkndfat. total weekend fatalities

• totfatpvm. total fatalities per 100 million miles

• nghtfatpvm. nighttime fatalities per 100 million miles

• wkndfatpvm. weekend fatalities per 100 million miles

• statepop. state population

• totfatrte. total fatalities per 100,000 population

• nghtfatrte. nighttime fatalities per 100,000 population

• wkndfatrte. weekend accidents per 100,000 population

• vehicmiles. vehicle miles traveled, billions

• unem. unemployment rate, percent

• perc14_24. percent population aged 14 through 24

• sl70plus. sl70 + sl75 + slnone

• sbprim. =1 if primary seatbelt law

• sbsecon. =1 if secondary seatbelt law

• d80. =1 if year == 1980

• d81.

• d82.

• d83.

• d84.

• d85.

• d86.

• d87.

• d88.

• d89.

• d90.

• d91.

• d92.

• d93.

• d94.

• d95.

• d96.

• d97.

• d98.

• d99.

• d00.

• d01.

• d02.

• d03.

• d04. =1 if year == 2004

• vehicmilespc.

Examples

# NOT RUN {
 str(driving)
# }