dm.detrend {dendRoAnalyst}

Detrend the dendrometer data

Description

This function detrends the dendrometer data either using first difference or using gam function from mgcv package or the Gompertz function.

Usage

dm.detrend(df, method = "gam", CalYear)

Arguments

df

dataframe with first column containing date and time in the format yyyy-mm-dd HH:MM:SS and the dendrometer data in following columns.

method

either 'f_diff', 'gam' or 'gomp' indicating the method to detrend the dendrometer data column in df.

CalYear

numeric for year of calculation. If df has more than one year, assigning CalYear truncates the data of only that year.

Value

A dataframe with the detrended dendrometer series.

Examples

library(dendRoAnalyst)
data(gf_nepa17)
detrended<-dm.detrend(df=nepa17, method='f_diff', CalYear=2017)
head(detrended,10)