Wooldridge Data loads lazily.
data('beveridge')A data.frame with 135 observations on 8 variables:
month: dec 200 through feb 2012
urate: unemployment rate, percent
vrate: vacancy rate, percent
t: linear time trend
urate_1: L.urate
vrate_1: L.vrate
curate: D.urate
cvrate: D.vrate
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str(beveridge)
#> 'data.frame': 135 obs. of 8 variables:
#> $ month : Date, format: "2000-12-01" "2001-01-01" ...
#> $ urate : num 3.8 4.1 4.1 4.1 4.2 4.3 4.4 4.5 4.8 5 ...
#> $ vrate : num 4 4.1 3.7 3.7 3.6 3.5 3.3 3.3 3.2 3.2 ...
#> $ t : int 1 2 3 4 5 6 7 8 9 10 ...
#> $ urate_1: num NA 3.8 4.1 4.1 4.1 ...
#> $ vrate_1: num NA 4 4.1 3.7 3.7 ...
#> $ curate : num NA 0.3 0 0 0.1 ...
#> $ cvrate : num NA 0.1 -0.4 0 -0.1 ...
#> - attr(*, "time.stamp")= chr "22 Jan 2013 14:09"