SDLfilter: Filtering and Assessing the Sample Size of Tracking Data
Functions to filter GPS/Argos locations, as well as assessing the sample size for the analysis of animal distributions. The filters remove temporal and spatial duplicates, fixes located at a given height from estimated high tide line, and locations with high error as described in Shimada et al. (2012) <doi:10.3354/meps09747> and Shimada et al. (2016) <doi:10.1007/s00227-015-2771-0>. Sample size for the analysis of animal distributions can be assessed by the conventional area-based approach or the alternative probability-based approach as described in Shimada et al. (2021) <doi:10.1111/2041-210X.13506>. 
| Version: | 
2.3.3 | 
| Depends: | 
R (≥ 3.5.0), ggplot2 | 
| Imports: | 
geosphere, data.table, gridExtra, ggmap, maps, pracma, lubridate, dplyr, emmeans, utils, sf, stars, ggspatial | 
| Published: | 
2023-11-10 | 
| DOI: | 
10.32614/CRAN.package.SDLfilter | 
| Author: | 
Takahiro Shimada | 
| Maintainer: | 
Takahiro Shimada  <taka.shimada at gmail.com> | 
| BugReports: | 
https://github.com/TakahiroShimada/SDLfilter/issues | 
| License: | 
GPL-2 | file LICENSE | 
| URL: | 
https://github.com/TakahiroShimada/SDLfilter | 
| NeedsCompilation: | 
no | 
| Citation: | 
SDLfilter citation info  | 
| Materials: | 
README, NEWS  | 
| In views: | 
Tracking | 
| CRAN checks: | 
SDLfilter results | 
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