Deciding the Number of Multi-Resolution Levels

Description

This function decides the number of multi-resolution levels by G\"ottlemann's method, modified G\"ottlemann's method or standard method.

Usage

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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

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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

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