# Calculate Gross Primary Production (GPP) from O2 Time Series

## Documentation for package ‘GPPFourier’ version 2.1

- DESCRIPTION file.
- User guides, package vignettes and other documentation.

## Help Pages

demod | Complex demodulation
detrend | Detrend a vector
estuary | Example time series
fDLfun | Relative amount of daylight hours at a specified date and location.
gapfill | Interpolate, subsample and fill gaps in time series by linear interpolation
GPPFourier | Calculate GPP from O2 time series
GPPFourierPreprocess | Pre-process O2 data for GPP calculation
GPPFouriertest | GPPFourier test function
GPPFourier_t | Calculate GPP(t) from by complex demodulation of O2 time series
Hoernum | Example time series
Hw | Frequency response of moving average filter
Kruibeke | Example time series
O22GP | Deprecated: Calculate GPP from O2 time series
O22GPpreprocess | Deprecated: Calculate GPP from O2 time series
plotF | Plot amplitude or argument of Fourier transform of a time series
resample | Interpolate, subsample and fill gaps in time series by linear interpolation
subsample | Interpolate, subsample and fill gaps in time series by linear interpolation
SunRiseSet | Calculate sunset and sunrise for a given date at given location and observer height
watercolumn | Example time series
WindowGPPFourier | Calculate GPP from O2 time series in consecutive time-windows of prescribed length
WindowGPPFourier.gts | Calculate GPP from O2 time series with gaps, in consecutive time-windows of prescribed length
WindowO22GP | Deprecated: Calculate GPP from O2 time series
WindowO22GP.gts | Deprecated: Calculate GPP from O2 time series