minilog: *Minilog* Data

View source: R/minilog.R

minilogR Documentation

Minilog Data

Description

Functions to read, manipulate and analyze minilog trawl acoustic monitoring probe data.

Usage

minilog(x, ...)

## Default S3 method:
minilog(x, ...)

Arguments

x

An minilog object, data file, survey year or keyword search term.

year

Numeric value specifying the survey or project year(s).

full.names

Logical value specifying whether to include file paths when searching for minilog data files.

header

minilog file header information to be assigned as metadata.

tow.id

Numeric value or character string specifying the ID corresponding to a particular tow sampling station.

offset

Numeric value specifying the offset time (in minutes) to include as a corrective in the data time stamps.

repeats

Logical value specifying whether to keep or average out data records with identical time stamps.

remove

Character string specifying keyword(s) which, if found in the data file or path, are removed from the search results.

Methods (by class)

  • minilog(default): Default minilog method. Create an minilog object.

See Also

locate.probe, read.minilog

Examples

# minilog files for the 2020 snow crab survey:
locate.minilog(year = 2020)

# Locate files with a specific tow ID from snow crab survey 2018-2020:
locate.minilog("GP001", year = 2018:2020)

# Working example:
x <- read.minilog(year = 2018, tow.id = "GP354F")
describe(x)  # Description of file contents.
header(x)    # File header information.
summary(x)   # Data summary.


TobieSurette/gulf.data documentation built on Jan. 19, 2025, 7:50 p.m.