Description Usage Arguments Details Value Author(s) References See Also Examples

Estimates Brownian motion variance for a Brownian bridge movement model.

1 | ```
brownian.motion.variance(n.locs, time.lag, location.error, x, y, max.lag)
``` |

`n.locs` |
Number of observed locations in time and space. |

`time.lag` |
Vector of time differences (usually in minutes) between
successive locations. The |

`location.error` |
The standard deviation of normally distributed location errors (single value or vector of 1 value for each observation). |

`x` |
Vector of x coordinates (meters) of locations, ordered in time. |

`y` |
Vector of y coordinates (meters) of locations, ordered in time. |

`max.lag` |
Maximum lag between successful fixes to consider. |

Users will generally not call this function directly. It is sourced by
`brownian.bridge`

.

The estimate of Brownian motion variance, or diffusion coefficient related to the mobility of the object.

Ryan Nielson, Hall Sawyer, and Trent McDonald (WEST, Inc., www.west-inc.com)

Maintainer: Ryan Nielson [email protected]

Horne, J. S., E. O. Garton, S. M. Krone, and J. S. Lewis. 2007. Analyzing animal movements using Brownian bridges. Ecology 88:2354-2363.

Sawyer, H., M. J. Kauffman, R. M. Nielson, and J. S. Horne. 2009. Identifying and prioritizing ungulate migration routes for landscpe-level conservation. Ecological Applications 19:2016-2025.

1 2 3 4 |

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