Try guessing starting parameters for model_params and model_ndvi.
model_start(DT, id = "id", year = "yr")
filtered and scaled data.table of NDVI time series. Expects columns 'scaled' and 't' are present.
id column. default is 'id'. See details.
year column name. default is 'yr'.
The id argument is used to split between sampling units. This may be a point id, polygon id, pixel id, etc. depending on your analysis. This should match the id provided to filtering functions.
The input DT
data.table appended with
xmidA_start columns. Note - we curently do not attempt to guess appropriate starting values for
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