lets.shFilter: Filter species' shapefiles based on its presence, origin, and...
In letsR: Data Handling and Analysis in Macroecology
Description
Usage
Arguments
Details
Value
Author(s)
See Also
View source: R/lets_shpfilter.R
Description
Filter species shapefiles by origin, presence, and seasonal type (following IUCN types: https://www.iucnredlist.org/resources/spatial-data-download, see metadata).
Usage
1
lets.shFilter(shapes, presence = NULL, origin = NULL, seasonal = NULL)
Arguments
shapes
Object of class SpatialPolygonsDataFrame (see function readShapePoly
to open these files).
presence
A vector with the code numbers for the presence type to be maintained.
origin
A vector with the code numbers for the origin type to be maintained.
seasonal
A vector with the code numbers for the seasonal type to be maintained.
Details
Presence codes:
(1) Extant,
(2) Probably Extant,
(3) Possibly Extant,
(4) Possibly Extinct,
(5) Extinct (post 1500) &
(6) Presence Uncertain.
Origin codes:
(1) Native,
(2) Reintroduced,
(3) Introduced,
(4) Vagrant &
(5) Origin Uncertain.
Seasonal codes:
(1) Resident,
(2) Breeding Season,
(3) Non-breeding Season,
(4) Passage &
(5) Seasonal Occurrence Uncertain.
More info in the shapefiles' metadata.
Value
The result is the shapefile(s) filtered according to the selected types. If the filters remove all polygons, the result will be NULL.
Author(s)
Bruno Vilela
See Also
letsR documentation built on Oct. 27, 2020, 1:07 a.m.
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Description Usage Arguments Details Value Author(s) See Also
View source: R/lets_shpfilter.R
Description
Filter species shapefiles by origin, presence, and seasonal type (following IUCN types: https://www.iucnredlist.org/resources/spatial-data-download, see metadata).
Usage
1 | lets.shFilter(shapes, presence = NULL, origin = NULL, seasonal = NULL)
|
Arguments
shapes |
Object of class SpatialPolygonsDataFrame (see function |
presence |
A vector with the code numbers for the presence type to be maintained. |
origin |
A vector with the code numbers for the origin type to be maintained. |
seasonal |
A vector with the code numbers for the seasonal type to be maintained. |
Details
Presence codes: (1) Extant, (2) Probably Extant, (3) Possibly Extant, (4) Possibly Extinct, (5) Extinct (post 1500) & (6) Presence Uncertain.
Origin codes: (1) Native, (2) Reintroduced, (3) Introduced, (4) Vagrant & (5) Origin Uncertain.
Seasonal codes: (1) Resident, (2) Breeding Season, (3) Non-breeding Season, (4) Passage & (5) Seasonal Occurrence Uncertain.
More info in the shapefiles' metadata.
Value
The result is the shapefile(s) filtered according to the selected types. If the filters remove all polygons, the result will be NULL.
Author(s)
Bruno Vilela
See Also
R Package Documentation
Browse R Packages
We want your feedback!
Note that we can't provide technical support on individual packages. You should contact the package authors for that.
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