Transform travel survey data.table to a survey object

Usage

hts_to_so(prepped_dt, weighted = TRUE, wtname = NULL, strataname = NULL)

Arguments

prepped_dt: Dataframe in data.table format to transform to survey object.
weighted: If true creates a weighted survey object. Default is TRUE.
wtname: Name of the weight column in the dataframe. Defaults to NULL, but must exist if weighted is true.
strataname: Name of strata name to bring in. Default is NULL.

Value

Inputted dataframe transformed into a survey object.

Examples


require(data.table)
hts_to_so(prepped_dt = trip, wtname = "trip_weight")
#> Independent Sampling design (with replacement)
#> Called via srvyr
#> Sampling variables:
#>  - ids: `1`
#>  - weights: weight
#> Data variables: day_id (int), trip_id (int), speed_mph (dbl), distance_miles
#>   (dbl), mode_type (int), mode_1 (int), mode_2 (int), num_travelers (int),
#>   d_purpose_category (int), hh_id (int), person_id (int), travel_date (date),
#>   weight (int)