read.euring2000plus {birdring} | R Documentation |
Reads EURING data of the format 2000\+ into R
Description
Reads EURING data (format EURING exchange code 2000\+) into R and creates a data.frame
Usage
read.euring2000plus(filename, quote="", ...)
Arguments
filename |
character string of the psv-file obtained from EURING (format: exchange code 2000\+) |
quote |
default is to ignore quotemarks as much as possible, see notes. |
... |
extra arguments to pass to read.table |
Value
A data.frame containing the following variables from the EURING 2000\+ code:
scheme | Factor | ringing scheme (code) |
id.method | Factor | identification method |
ring | Factor | ring number |
ring.verif | character | verification of the metal ring |
metal.ring.info | character | metal ring information |
marks.info | character | other marks information |
spec.byringer | character | species + subsp., mentioned by person |
spec.byscheme | character | species + subsp., concluded by scheme |
manipulated | character | manipulated |
moved | character | moved before the (re)capture/recovery |
catching.method | character | catching method |
catching.lures | character | catching lures |
sex.byringer | character | sex, by the person who handled the bird |
sex.byscheme | character | sex, as concluded by scheme |
age.byringer | character | age, by the person who handled the bird |
age.byscheme | character | age, as concluded by scheme |
status | character | status |
broodsize | character | broodsize |
pullus.age | character | pullus age |
pullus.age.acc | character | accuracy of pullus age |
day | numeric | day of record, derived from date |
month | numeric | month of record, derived from date |
year | numeric | year of record, derived from date |
date.acc | character | accuracy of date |
time | character | time |
place.code | character | place code |
country | character | country extracted from place code |
region | character | region (county) extracted from place code |
lat | numeric | latitude in decimal coordinates |
lon | numeric | longitude in decimal coordinates |
coord.acc | character | accuracy of coordinates |
condition | character | condition |
circumstances | character | finding circumstances |
circumstances.presumed | character | finding circumstances presumed |
euring.codeid | character | EURING-code identifier |
distance | numeric | distance to place of ringing (km) |
direction | numeric | direction to place of ringing (km) |
time.elapsed | numeric | time since ringing (days) |
wing.length | numeric | maximum chord measurement in mm, Svensson (1992) |
third.primary | numeric | Length of the third primary feather, in mm |
state.of.wing.point | character | condition of the longest primary feather |
mass | numeric | body, in grams, measured to a maximum precision of 0.1 g. |
moult | character | code for main, clearly identifiable moult states |
plumage.code | character | extra information to enhance age code |
hind.claw | numeric | in mm, for details of method see Svensson (1992) |
bill.length | numeric | in mm, see du Feu (2012). |
bill.method | character | a single letter code, for details see Svensson (1992). |
total.head.length | numeric | in mm, see du Feu (2012) |
tarsus | numeric | in mm, see du Feu (2012) |
tarsus.method | character | tarsus method used, see du Feu (2012) |
tail.length | numeric | in mm, details of the method see Svensson (1992). |
tail.difference | numeric | according to Svensson (1992) |
fat.score | numeric | fat score, see du Feu (2012) for details. |
fat.score.method | character | fat score method used, see du Feu (2012) |
pectoral.muscle | numeric | state of pectoral muscle |
brood.patch | character | state of the brood patch in the breeding season |
primary.score | numeric | the sum of the primary moult scores |
primary.moult | character | state of the 10 primary feathers |
old.greater.coverts | numeric | the number of unmoulted greater coverts |
alula | character | state of the three alula feathers |
carpal.covert | numeric | state of moult of the carpal covert: 0=old, 1=new. |
sexing.method | character | for code description see du Feu (2012). |
For three additional optional variables, see du Feu (2012).
Note
Quotemarks, apostrophes and backticks can cause havoc when reading in files; if things do not work as you expect, check for their presence of these and consider removing!
Author(s)
Fraenzi Korner-Nievergelt
References
du Feu et al. 2012: EURING exchange-code 2000\+. www.euring.org
Examples
filename <- system.file("extdata", "REEWAExport_50.psv", package = "birdring")
dat <- read.euring2000plus(filename)
str(dat)
[Package birdring version 1.6 Index]