The purpose of the R data package mmdata is to store datasets from the beloved econometrics textbook Mastering 'Metrics.
# install.packages("devtools")
devtools::install_github("jjchern/mmdata")library(mmdata)
ls("package:mmdata", all = TRUE)
#> [1] "banks" "child_labor_law"
#> [3] "dd_mlda" "hs_diploma"
#> [5] "mdve" "nhis2009"
#> [7] "qob" "rand_hie_annual_spend"
#> [9] "rand_hie_initial_sample" "rand_hie_person_years"
#> [11] "rd_mlda" "twins"library(tibble)
mmdata::qob
#> Source: local data frame [329,509 x 5]
#>
#> lnw s yob qob sob
#> <dbl> <dbl> <dbl> <dbl> <dbl>
#> 1 5.790019 12 30 1 45
#> 2 5.952494 11 30 1 45
#> 3 5.315949 12 30 1 45
#> 4 5.595926 12 30 1 45
#> 5 6.068915 12 30 1 37
#> 6 5.793871 11 30 1 45
#> 7 6.389161 11 30 1 36
#> 8 6.047781 12 30 1 51
#> 9 5.354861 11 30 1 45
#> 10 5.259597 7 30 1 45
#> .. ... ... ... ... ...