whittakerSmoother: Whittaker smoother

Usage Arguments Details Value Author(s) References Examples

View source: R/whittakerSmoother.R

Usage

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whittakerSmoother(input, quality_rst, doy_rst, begin, end, whittaker_files, lambda, nIter, threshold)
dependent on package "MODIS"

Arguments

lambda,

integer, strength of smoothing

nIter,

integer, number of iteration for the upper envelope fitting

threshold,

integer, threshold for outlier values

cores

integer, cores to be used in parallel mode

ndvi_oc_rst,

stacked vegetation index files

quality_rst,

stacked quality checked files

doy_rst,

stacked day of year files

whittaker_files,

path where whittaker output files shall be stored

prefix,

character, file name prefix

suffix,

character, file name suffix

Details

this function smoothes a time series vegetation index based on satellite data

Value

geo-tiff data

Author(s)

Hanzl, A., Hahn, L.

References

Nauss, T., Detsch, F.

Examples

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## Not run: 
whittakerSmoother(ndvi_oc_rst = ndvi_oc_rst, quality_rst = path_modis_qua_tiles,
                   doy_rst = path_modis_doy_tiles, whittaker_files = path_modis_whittaker_tiles,
                   lambda = 6000, nIter = 3, threshold = 2000)

## End(Not run)

marburg-open-courseware/beechForestDynamics documentation built on May 7, 2019, 3:14 p.m.