get_vessel_id: Gets the list of unique vessel IDs.

In janclod/marine: Shiny app to visualize data about marine vessels

Description

Gets the list of unique vessels' ID. The vessels' ID can be filtered based on vessel type.

Usage

get_vessel_id(df, ship_type = NULL)

Arguments

df	the dataframe containing the SHIP_ID column.
ship_type	the ship_type contained in the ship_type column of the df.

Examples

## Not run: 
get_vessel_id(dataframe)
get_vessel_id(dataframe, ship_type == "Cargo")

## End(Not run)

janclod/marine documentation built on Feb. 6, 2021, 6:10 p.m.