get_upstream: Get upstream stations
In ECCC-MSC/Basin-Delineation: Finds upstream area and upstream stations

return a list of stations that are upstream of a target station

1	get_upstream(station, table)

`station`	target station for which a list of upstream stations is desired
`table`	a data.table describing upstream / downstream relationships between stations.

Does not return a value, the table is modified in-place.

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r <- initialize_matrix_from_stations(c('stn1', 'stn2', 'stn3'))
set_upstream('stn1', r, 'stn2')
get_upstream('stn1', r)

ECCC-MSC/Basin-Delineation documentation built on June 9, 2019, 7:29 p.m.

ECCC-MSC/Basin-Delineation index

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