Get unique origin and destination names

This function returns coordinates for all unique locations in supplied data.

get_pop_vec(data, orig = TRUE, dest = TRUE)

Arguments

data	generalized data frame described in travel_data_template or derivative thereof
orig	logical indicating whether to include origin location in unique names (default= TRUE)
dest	logical indicating whether to include destination location in unique names (default= TRUE)

Value

two column dataframe containing unique names

See also

Other utility: get_admin_level(), get_beta_params(), get_gamma_params(), get_unique_coords(), get_unique_ids()

Author

John Giles

Examples

x <- cbind(travel_data_sim, get_unique_ids(travel_data_sim, adm_start=2))

# Unique coordinates for all locations
get_pop_vec(x)
#>     A     B     C     D     E     F     G     H     I     J     K     L     M 
#>  5065  8179  3961  5540  1337  5776   623   255 21284    85  1112  9542  7596 
#>     N     O     Q     R     S     T     U     V     W     Y     Z 
#>  2839  6360  4449   609  7515  1846  7355   240 11983  9603 14619 

# Origins only
get_pop_vec(x, dest=FALSE)
#>     C     D     E     G     H     I     J     K     N     O     Q     R     S 
#>  3961  5540  1337   623   255 21284    85  1112  2839  6360  4449   609  7515 
#>     T     V     Y     Z 
#>  1846   240  9603 14619 

# Destinations only
get_pop_vec(x, orig=FALSE)
#>     A     B     C     D     E     F     G     H     I     J     K     L     M 
#>  5065  8179  3961  5540  8994  5776  4048 14445 16746  6716  1112  9542  7596 
#>     N     O     Q     R     S     T     U     V     W     Y     Z 
#>  2839  8603  4449  6184  7515  1846  7355   240 11983 14977 14619 

# Without supplied ids
get_pop_vec(travel_data_sim)
#> Added missing unique location names.
#> A_B_A A_B_B A_B_C A_B_D A_B_E A_B_F A_B_G A_B_H A_B_I A_B_J A_B_K A_B_L A_B_M 
#>  5065  8179  3961  5540  1337  5776   623   255 21284    85  1112  9542  7596 
#> A_B_N A_B_O A_B_Q A_B_R A_B_S A_B_T A_B_U A_B_V A_B_W A_B_Y A_B_Z 
#>  2839  6360  4449   609  7515  1846  7355   240 11983  9603 14619