Description Usage Arguments Details Value Author(s) Examples

View source: R/mkdeFunctions.R

Define the spatial extent and resolution of a 2D MKDE and create an 2D MKDE list object for use in other functions in the package.

1 | ```
initializeMKDE2D(xLL, xCellSize, nX, yLL, yCellSize, nY)
``` |

`xLL` |
Lower bounds of the grid in the x-dimension |

`xCellSize` |
Cell size in the x-dimension |

`nX` |
Number of cells in the x-dimension |

`yLL` |
Lower bounds of the grid in the y-dimension |

`yCellSize` |
Cell size in the y-dimension |

`nY` |
Number of cells in the y-dimension |

It is strongly recommended that the same value is used for `xCellSize`

and `yCellSize`

. The grid should be defined so that it covers the area that the animal used, plus a sufficient buffer so that the density is negligable beyond the grid.

A list representing an MKDE object is returned with the following elements:

`dimension` |
The dimension of the MKDE; that is, 2. |

`x` |
A grid of points along the x-axis where the cell centers occur. |

`y` |
A grid of points along the y-axis where the cell centers occur. |

`z` |
A grid of points along the z-axis where the cell centers occur. For a 2D MKDE z = NA. |

`z.min` |
A 2D array representing the lower bounds of space in the z-dimension at each x and y coordinate. Defaults to -Inf. |

`z.max` |
A 2D array representing the upper bounds of space in the z-dimension at each x and y coordinate. Defaults to Inf. |

`nx` |
Number of cells in the x-dimension. |

`ny` |
Number of cells in the y-dimension. |

`nz` |
Number of cells in the z-dimension. For a 2D MKDE nz = 1. |

`d` |
A 2D array with dimensions (nx, ny) that stores the density. The elements are initialized to NA. |

Jeff A. Tracey, PhD

USGS Western Ecological Research Center, San Diego Field Station

[email protected]

James Sheppard, PhD

San Diego Zoo Institute for Conservation Research

[email protected]

1 2 3 4 5 6 7 |

mkde documentation built on May 2, 2019, 6:46 a.m.

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