multi-levels {SpherWave}R Documentation

Deciding the Number of Multi-Resolution Levels

Description

This function decides the number of multi-resolution levels by G"{o}ttlemann's method, modified G"{o}ttlemann's method or standard method.

Usage

modnetlevel(angle) # for modified G\"{o}ttlemann's grid
gotnetlevel(angle) # for G\"{o}ttlemann's grid
netlevel(angle)    # for standard grid

Arguments

angle radius (geodesic distance) from locations of data within a territory to the center point of the territory

Value

nlevel the number of multi-resolution levels.

References

Oh, H-S. (1999) Spherical wavelets and their statistical analysis with applications to meteorological data. Ph.D. Thesis, Department of Statistics, Texas A&M University, College Station.

Examples

modnetlevel(3 * pi/180) # for modified G\"{o}ttlemann's grid
gotnetlevel(2 * pi/180) # for G\"{o}ttlemann's grid
netlevel(5 * pi/180)    # for standard grid

[Package SpherWave version 1.1.0 Index]