nwasc_segmentDTS: Process dts survey data in NWASC database

In robgf/nwasc:

Description

Process dts survey data in NWASC database Returns wide-form dataframe with processed data

Usage

nwasc_segmentDTS(observations, transects, v.spd = 10,
  occurences = FALSE)

Arguments

observations	df of observations from phase 1 DTS surveys
transects	df of transect information from phase 1 DTS surveys
v.spd	numeric approx. speed of vessel
occurences	boolean flag Calculates species counts by default (FALSE); set occurrences = TRUE for number of flock sightings

Details

Requires observation table with lat/long for each sighting and transect table with single row for each transect id

v.spd sets assumed vessel speed in knots when vessel speed is missing Calculates species counts by default; set occurrences = TRUE for number of flock sightings

Distances are in nautical miles

Kyle Dettloff Modified 09-30-16

read in dts and observation tables

Value

df wide-form dataframe with processed data

Examples

## Not run: 
seg.dat.phase1.dts = segmentDTS(nwasc.ph1.dts.obs.dat, nwasc.ph1.dts.dat)

## End(Not run)

robgf/nwasc documentation built on Oct. 29, 2021, 8:13 p.m.