methods, Zelig (>= 5.0-9), MASS, VGAM, jsonlite, dplyr
methods, Zelig (>= 5.0-10), MASS, VGAM, jsonlite, dplyr
methods, Zelig (>= 5.0-14), MASS, VGAM, jsonlite, dplyr
dplyr, jsonlite, MASS, methods, VGAM, Zelig (>= 5.0-14),
dplyr, jsonlite, MASS, methods, VGAM, Zelig (>= 5.0-16),
dplyr, Formula, jsonlite, MASS, methods, VGAM, Zelig (>
5.0-17),
dplyr, Formula, jsonlite, MASS, methods, VGAM, Zelig (>=
5.1-1),