amt
This vignette briefly introduces how one can coerce
amt track_xy*
to other commonly used packages. At the
moment this vignette shows methods to coerce to
adehabitatHR
, ctmm
, and move
.
First we load the required libraries and the relocation data (called
deer
)
library(amt)
data("deer")
deer
## # A tibble: 826 × 4
## x_ y_ t_ burst_
## * <dbl> <dbl> <dttm> <dbl>
## 1 4314068. 3445807. 2008-03-30 00:01:47 1
## 2 4314053. 3445768. 2008-03-30 06:00:54 1
## 3 4314105. 3445859. 2008-03-30 12:01:47 1
## 4 4314044. 3445785. 2008-03-30 18:01:24 1
## 5 4313015. 3445858. 2008-03-31 00:01:23 1
## 6 4312860. 3445857. 2008-03-31 06:01:45 1
## 7 4312854. 3445856. 2008-03-31 12:01:11 1
## 8 4312858. 3445858. 2008-03-31 18:01:55 1
## 9 4312745. 3445862. 2008-04-01 00:01:24 1
## 10 4312651. 3446024. 2008-04-01 06:00:54 1
## # … with 816 more rows
adehbatit*
<- as_ltraj(deer)
adehabitatLT_ltraj adehabitatLT_ltraj
##
## *********** List of class ltraj ***********
##
## Type of the traject: Type II (time recorded)
## * Time zone: UTC *
## Irregular traject. Variable time lag between two locs
##
## Characteristics of the bursts:
## id burst nb.reloc NAs date.begin date.end
## 1 animal_1 animal_1 826 0 2008-03-30 00:01:47 2009-04-28 00:00:21
##
##
## infolocs provided. The following variables are available:
## [1] "pkey"
ctmm
With the function as_telemetry
a track_xyt
can be coerced to a telemetry
object used in
ctmm
.
<- as_telemetry(deer)
ctmm_obj class(ctmm_obj)
## [1] "telemetry"
## attr(,"package")
## [1] "ctmm"
move
<- as_move(deer)
move_obj move_obj
## class : Move
## features : 826
## extent : 4309723, 4318383, 3442716, 3450713 (xmin, xmax, ymin, ymax)
## crs : +proj=laea +lat_0=52 +lon_0=10 +x_0=4321000 +y_0=3210000 +ellps=GRS80 +towgs84=0,0,0,0,0,0,0 +units=m +no_defs
## variables : 1
## names : burst_
## min values : 1
## max values : 35
## timestamps : 2008-03-30 00:01:47 ... 2009-04-28 00:00:21 Time difference of 394 days (start ... end, duration)
## sensors : unknown
## indiv. data :
## indiv. value:
## date created: 2023-02-12 20:54:10.825017
sf
and sp
::session_info() sessioninfo
## ─ Session info ───────────────────────────────────────────────────────────────
## setting value
## version R version 4.2.2 Patched (2022-11-10 r83330)
## os Ubuntu 22.04.2 LTS
## system x86_64, linux-gnu
## ui X11
## language (EN)
## collate C
## ctype en_US.UTF-8
## tz Europe/Berlin
## date 2023-03-28
## pandoc 2.19.2 @ /usr/lib/rstudio/resources/app/bin/quarto/bin/tools/ (via rmarkdown)
##
## ─ Packages ───────────────────────────────────────────────────────────────────
## package * version date (UTC) lib source
## ade4 1.7-22 2023-02-06 [3] CRAN (R 4.2.2)
## adehabitatLT 0.3.26 2022-10-21 [3] CRAN (R 4.2.2)
## adehabitatMA 0.3.15 2022-10-21 [3] CRAN (R 4.2.2)
## amt * 0.2.1.0 2023-03-28 [1] local
## backports 1.4.1 2021-12-13 [5] CRAN (R 4.2.0)
## boot 1.3-28.1 2022-11-22 [3] CRAN (R 4.2.2)
## bslib 0.4.2 2022-12-16 [3] CRAN (R 4.2.2)
## cachem 1.0.7 2023-02-24 [5] CRAN (R 4.2.2)
## checkmate 2.1.0 2022-04-21 [5] CRAN (R 4.2.0)
## CircStats 0.2-6 2018-07-01 [3] CRAN (R 4.2.2)
## circular 0.4-95 2022-04-26 [3] CRAN (R 4.2.2)
## class 7.3-21 2023-01-23 [6] CRAN (R 4.2.2)
## classInt 0.4-9 2023-02-28 [3] CRAN (R 4.2.2)
## cli 3.6.0 2023-01-09 [5] CRAN (R 4.2.2)
## codetools 0.2-19 2023-02-01 [6] CRAN (R 4.2.2)
## colorspace 2.1-0 2023-01-23 [5] CRAN (R 4.2.2)
## ctmm 1.1.0 2022-11-04 [3] CRAN (R 4.2.2)
## data.table 1.14.8 2023-02-17 [3] CRAN (R 4.2.2)
## DBI 1.1.3 2022-06-18 [5] CRAN (R 4.2.1)
## DEoptimR 1.0-11 2022-04-03 [3] CRAN (R 4.2.2)
## digest 0.6.31 2022-12-11 [3] CRAN (R 4.2.2)
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## KernSmooth 2.23-20 2021-05-03 [6] CRAN (R 4.2.0)
## knitr * 1.42 2023-01-25 [5] CRAN (R 4.2.2)
## labeling 0.4.2 2020-10-20 [5] CRAN (R 4.2.0)
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##
## [1] /tmp/RtmpEE1aXl/Rinst11aff69feb4c3
## [2] /tmp/RtmpTZF65G/temp_libpathf4f475febbc9
## [3] /home/jsigner/R/x86_64-pc-linux-gnu-library/4.2
## [4] /usr/local/lib/R/site-library
## [5] /usr/lib/R/site-library
## [6] /usr/lib/R/library
##
## ──────────────────────────────────────────────────────────────────────────────