odmatrix_to_od: Convert origin-destination data from wide to long format

In stplanr: Sustainable Transport Planning

Convert origin-destination data from wide to long format

Description

This function takes a matrix representing travel between origins (with origin codes in the rownames of the matrix) and destinations (with destination codes in the colnames of the matrix) and returns a data frame representing origin-destination pairs.

Usage

odmatrix_to_od(odmatrix)

Arguments

odmatrix

A matrix with row and columns representing origin and destination zone codes and cells representing the flow between these zones.

Details

The function returns a data frame with rows ordered by origin and then destination zone code values and with names orig, dest and flow.

See Also

Other od: od2line(), od2odf(), od_aggregate_from(), od_aggregate_to(), od_coords(), od_coords2line(), od_id, od_id_order(), od_oneway(), od_to_odmatrix(), points2flow(), points2odf()

Examples

odmatrix <- od_to_odmatrix(flow)
odmatrix_to_od(odmatrix)
flow[1:9, 1:3]
odmatrix_to_od(od_to_odmatrix(flow[1:9, 1:3]))

stplanr documentation built on Sept. 11, 2024, 5:22 p.m.