ship_statistics: Ship Cooperation Statistics Function –

In mvisalli/shipr: ships for whales functions

Description

Ship Cooperation Statistics Function —-

Usage

ship_statistics(data = NULL, date_start = NA, date_end = NA, tonnage = NA, ...)

Arguments

data	'vsr_ais_segments' (table from the postgres database)

Value

'ship_stats' (ship statistics dataframe)

Examples

 ship_stats = ship_statistics(data=vsr_ihs_data ,date_start = '2018-01-01', date_end = '2019-11-14', tonnage = 300)

ship_statistics from scratch, takes a bit longer
ship_stats = ship_statistics(date_start = '2018-01-01',date_end = '2019-11-14', tonnage=300)

mvisalli/shipr documentation built on Aug. 8, 2020, 8:38 p.m.