od_to_odmatrix {stplanr} | R Documentation |
Convert origin-destination data from long to wide format
Description
This function takes a data frame representing travel between origins
(with origin codes in name_orig
, typically the 1st column)
and destinations
(with destination codes in name_dest
, typically the second column) and returns a matrix
with cell values (from attrib
, the third column by default) representing travel between
origins and destinations.
Usage
od_to_odmatrix(flow, attrib = 3, name_orig = 1, name_dest = 2)
Arguments
flow |
A data frame representing flows between origin and destinations |
attrib |
A number or character string representing the column containing the attribute data
of interest from the |
name_orig |
A number or character string representing the zone of origin |
name_dest |
A number or character string representing the zone of destination |
See Also
Other od:
od2line()
,
od2odf()
,
od_aggregate_from()
,
od_aggregate_to()
,
od_coords()
,
od_coords2line()
,
od_id
,
od_id_order()
,
od_oneway()
,
odmatrix_to_od()
,
points2flow()
,
points2odf()
Examples
od_to_odmatrix(flow)
od_to_odmatrix(flow[1:9, ])
od_to_odmatrix(flow[1:9, ], attrib = "Bicycle")