Function reference • travelSurveyTools

Summarizing data sets

Test datasets

hh: Test household dataset

person: Test person dataset

day: Test day dataset

trip: Test trip dataset

vehicle: Test vehicle dataset

test_data: Test household travel survey dataset

value_labels: List of values and their labels

variable_list: List of variables

Prepping data frames

hts_prep_variable(): Prepare datasets to make summaries

hts_prep_triprate(): Prepare datasets for trip rate calculations

hts_prep_byvar(): Prepare variable to be summarized

Summarizing variables

hts_summary(): Make household travel survey summaries

hts_summary_cat(): Summarize a categorical variable

hts_summary_num(): Summarize a numeric variable

hts_to_so(): Transform travel survey data.table to a survey object

hts_summary_wrapper(): Make household travel survey summaries-- runs hts_prep_variable and hts_summary

Helper functions

factorize_column(): Factorize a column.

factorize_df(): Factorize a dataframe

hts_bin_var(): Bin numeric variables

hts_calculate_vmt(): Calculate vmt for each trip

hts_cbind_var(): Bind a column from one table to another

hts_filter_data(): Filter datasets to only keep specified ids

hts_find_var(): Find table location of a variable

hts_get_ns(): Get counts from dataset

hts_melt_vars(): Melts checkbox variables into a single variable

hts_remove_missing_data(): Remove missing data for summary variables

hts_remove_outliers(): Remove outliers from a numeric variable

hts_trip_vehid(): Add vehicle_id to trip table

join_spatial(): Join spatial data to points

get_distance_meters(): Get distance between points

hts_validate_variable_list(): Check that variable list has required elements for hts_prep_variable returns updated variable list or prompts error