Create list of market identifiers.
create_markets(geog_id, time_id)
| geog_id | Variable that represents geographical market identifier as a string. |
|---|---|
| time_id | Variable that represents time identifier as a string. |
A list containing geog_id and time_id.
# cross section data create_markets(geog_id = "state", time_id = NULL)#> $geog_id #> [1] "state" #># time series data create_markets(geog_id = NULL, time_id = "year")#> $time_id #> [1] "year" #># panel data create_markets(geog_id = "state", time_id = "year")#> $geog_id #> [1] "state" #> #> $time_id #> [1] "year" #>