read.wc: Read and format tag data

In HMMoce: Improved Analysis of Marine Animal Movement Data Using Hidden Markov Models

Description

read.wc reads and formats tag data output from Wildlife Computers Data Portal

Usage

read.wc(ptt, filename, tag, pop, type = "sst", verbose = FALSE)

Arguments

ptt	is individual ID number
filename	is path to the file where your data lives
tag	is POSIXct object of the tagging date
pop	is POSIXct object of the pop-up date
type	is character indicating which type of data to read. Choices are 'sst', 'pdt', 'light' corresponding to those data files output from WC Data Portal
verbose	is logical indicating whether a verbose output with more details on the loaded files is desired. Default is FALSE.

Value

a list containing: the data read as a data.frame and a date vector of unique dates in that data

Examples

# example data in the package
sstFile <- system.file("extdata", "141259-SST.csv", package = "HMMoce")
ptt <- 141259

# set temporal and spatial bounds
iniloc <- data.frame(matrix(c(13, 10, 2015, 41.3, -69.27, 10, 4, 2016, 40.251, -36.061),
 nrow = 2, ncol = 5, byrow = TRUE))
 names(iniloc) <- list('day','month','year','lat','lon')
 tag <- as.POSIXct(paste(iniloc[1,1], '/', iniloc[1,2], '/', iniloc[1,3], sep=''), 
 format = '%d/%m/%Y', tz='UTC')
 pop <- as.POSIXct(paste(iniloc[2,1], '/', iniloc[2,2], '/', iniloc[2,3], sep=''), 
 format = '%d/%m/%Y', tz='UTC')

# read and format the example data
tag.sst <- read.wc(ptt, sstFile, type = 'sst', tag=tag, pop=pop)

HMMoce documentation built on Nov. 17, 2017, 5:57 a.m.