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

It calculates the Lambert's equal area projection.

1 | ```
lambert(y)
``` |

`y` |
A two column matrix with the data. The first column is the altitude and the second is the longitude. |

The spherical data are first rotated so that their mean direction is the north pole and then are projectedt on the plane tagent to the sphere at the north pole.

A two-column matrix with the projected points.

Michail Tsagris

R implementation and documentation: Michail Tsagris <[email protected]> and Giorgos Athineou <[email protected]>

Kent, John T. (1982). The Fisher-Bingham distribution on the sphere. Journal of the Royal Statistical Society. Series B (Methodological) 44(1):71-80.

1 2 3 4 | ```
x <- rvmf(100, rnorm(3), 20)
x <- euclid.inv(x)
a <- lambert(x)
plot(a)
``` |

Directional documentation built on March 19, 2018, 5:05 p.m.

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