VTrack (version 1.21)

ExtractRecSummary: Extended Function to Extract Summary Data for each Receiver Serial Number in the File

Description

This function extracts summary data for each receiver serial number in the file

Usage

ExtractRecSummary(sInputFile)

Arguments

sInputFile

a data frame containing VTrack archive data, this archive is created using the ReadInputData function

Value

RECEIVERID

a character vector containing the factory assigned receiver serial number

STATIONNAME

a character vector containing the user defined station name

FIRSTDETECT

a vector of class POSIXct of the time of the first location fix

NODETECTS

a numeric vector giving the number of transmitter location fixes

LASTDETECT

a vector of class POSIXct of the time of the last location fix

NOTRANSMITTER

a numeric vector giving the number of unique transmitter ids detected

Details

duration given in days.

Examples

# NOT RUN {
data(crocs)
# Load the crocodile data in the VTrack archive format
#  adding 10 hours to convert from UTC 
Vcrocs <- ReadInputData(infile=crocs,
                        iHoursToAdd=10,
                        dateformat = NULL,
                        sVemcoFormat='1.0')

# Extract summary table of receivers in the file
ExtractRecSummary(Vcrocs)
# }