crab_tag: Crab tag

Description Format Note References

Description

Depth and temperature data from a sensor tag attached to an edible crab (Cancer Pangurus) in the North Sea in 2008 and 2009.

Format

A list with 5 elements, as follows. id_block is a list with 2 elements

Firmware Version No

Version of the firmware used in the crab tag.

Firmware Build Level

Build level of the firmware used in the crab tag.

tag_notebook is a list with 5 elements.

Mission Day

Number of days of data.

Last Deployment Date

Date and time that the tag was released into the sea.

Deployed by Host Version

UNKNOWN

Downloaded by Host Version

UNKNOWN

Last Clock Set Date

UNKNOWN

lifetime_notebook is a list with 3 elements.

Tag ID

The unique ID of the tag.

Pressure Range

UNKNOWN

No of sensors

The number of sensors on the tag.

deployment_notebook is a data frame with X columns.

Start

Start date and time of recording.

Stop

Stop date and time of recording.

Logging Rate

UNKNOWN

Pointer

UNKNOWN

PA inc

UNKNOWN

sensors

UNKNOWN

Flags

UNKNOWN

Resolution

UNKNOWN

Fast Rate

UNKNOWN

V1

UNKNOWN

V2

UNKNOWN

daylog is a data frame with X columns.

Mission.Day

Integer number of days since the start of recording.

Date

Date of record.

Max.Temp

Maximum temperature (Celcius) recorded that day.

Min.Temp

Minimum temperature (Celcius) recorded that day.

Max.Depth

Maximum depth (m) recorded that day.

Min.Depth

Minimum depth (m) recorded that day.

Batt.Volts

Voltage of tag battery.

Note

This data was kindly supplied by Ewan Hunter of CEFAS. It is part of a larger dataset consisting of many crabs.

References

Ewan Hunter [email protected] ran the project where the data was collected. A full analysis is in Hunter, E, Eaton, D, Stewart, C, Lawler, A & Smith, M. 2013. Edible crabs "go west": migrations and incubation cycle revealed by electronic tags. https://www.ncbi.nlm.nih.gov/pubmed/23734180. Richard Cotton [email protected] made some modifications while importing it into R.


richierocks/learningr documentation built on May 25, 2017, 3:12 a.m.