Raw Data

## 'data.frame':    182349 obs. of  15 variables:
##  $ Device.Name        : Factor w/ 25 levels "Retired","YMu1502f?",..: 1 1 1 1 1 1 1 1 1 1 ...
##  $ Device.ID          : int  39273 39273 39273 39273 39273 39273 39273 39273 39273 39273 ...
##  $ Date...Time..GMT.  : num  42257 42257 42257 42257 42257 ...
##  $ Date...Time..Local.: num  42256 42257 42257 42257 42257 ...
##  $ time.gmt           : POSIXct, format: "2015-09-09 19:58:00" "2015-09-09 20:00:00" ...
##  $ time.local         : POSIXct, format: "2015-09-09 11:58:00" "2015-09-09 12:00:00" ...
##  $ Latitude           : num  64.1 64.1 64.1 64.1 64.1 ...
##  $ Longitude          : num  -139 -139 -139 -139 -139 ...
##  $ Altitude           : num  321 320 357 343 351 ...
##  $ Fix.Status         : Factor w/ 13 levels "0","1_SV KF",..: 8 8 8 8 8 8 8 8 8 8 ...
##  $ DOP                : num  3.2 3.2 1.8 3.8 2.2 3.4 2 3.2 2 1.8 ...
##  $ Temp..C.           : num  16 16 14 19 17 20 17 16 13 10 ...
##  $ Main..V.           : num  3.36 3.36 3.36 3.44 3.44 3.44 3.44 3.44 3.44 3.44 ...
##  $ Back..V.           : num  3.52 3.52 3.52 3.52 3.52 3.52 3.52 3.52 3.52 3.52 ...
##  $ id                 : Factor w/ 25 levels "Retired","YMu1502f?",..: 1 1 1 1 1 1 1 1 1 1 ...

Quick plot

Outlier problems! Mainly with YMu1827 & YMu1825.

There are still some odd/wrong data:

We’ll keep only those within a constrained range: longitude [-150, -135], Latitude [67.5,73]. Also, we trim off YMu1825 to more recent locations.

Updated summary

id n.loc start end duration dT.median
Retired 4885 2015-09-21 2016-10-22 397 days 1 hours
YMu1502f? 10224 2015-09-21 2018-03-14 906 days 1 hours
YMu1503mRI 10670 2015-09-21 2018-05-08 959 days 1 hours
YMu1504 13784 2015-09-21 2018-09-17 1091 days 1 hours
YMu1505 13781 2015-09-21 2018-09-17 1091 days 1 hours
YMu1506 13780 2015-09-22 2018-09-17 1091 days 1 hours
YMu1508 6022 2015-09-22 2018-09-16 1090 days 1 hours
YMu1508rRD 10287 2015-09-22 2018-03-28 919 days 1 hours
YMu150711f 3624 2016-09-17 2017-08-08 325 days 1 hours
YMu1609mRI 5934 2016-09-17 2018-04-10 570 days 1 hours
YMu1610 9366 2016-09-17 2018-09-17 729 days 1 hours
YMu1615 9320 2016-09-17 2018-09-17 730 days 1 hours
YMu1827 8322 2016-09-18 2018-09-17 730 days 1 hours
YMu1613 9321 2016-09-19 2018-09-17 728 days 1 hours
YMu1614 9317 2016-09-19 2018-09-17 727 days 1 hours
YMu1817 4179 2018-03-27 2018-09-17 174 days 1 hours
YMu1818 4178 2018-03-27 2018-09-17 174 days 1 hours
YMu1819 4151 2018-03-27 2018-09-16 173 days 1 hours
YMu1820 4149 2018-03-27 2018-09-16 173 days 1 hours
YMu1816 4111 2018-03-28 2018-09-17 173 days 1 hours
YMu1821 4147 2018-03-28 2018-09-16 173 days 1 hours
YMu1822 4165 2018-03-28 2018-09-17 174 days 1 hours
YMu1823 4074 2018-03-28 2018-09-14 170 days 1 hours
YMu1824 4144 2018-03-28 2018-09-17 173 days 1 hours
YMu1825 3867 2018-03-28 2018-09-17 172 days 1 hours

Total number of locations: 179802 for 25 animals. Date range 2015-09-21, 2018-09-17. Still plenty to analyze!

Map

Tracks: X/Y/Time

There are helpful - on an individual basis - for seeing any seasonal patterns. (Apologies for the obnoxious 80’s colors!)