Description Usage Arguments Value
Polynomial based SDEs Estimation
1 2 | fit_polynomial_sde(timeSeries, samplingPeriod = NULL, timeTs = NULL,
nDrift = 1, nDiff = 1, direction = "both")
|
timeSeries |
A univariate vector representing the time series |
samplingPeriod |
The sampling period of the time series |
timeTs |
A vector with the occurrence time of each sample of the time series. Can be used as an alternative to samplingPeriod. |
nDrift, nDiff |
Maximum order of the polynomial used to fit the drift/diffusion term. |
direction |
The mode of stepwise search, can be one of "both",
"backward", or "forward". See |
A list with two poly_sde objects representing the estimates for the drift and the diffusion terms. The poly_sde objects can be used with predict to get numerical estimates of the drift/diffusion functions.
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