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astsa (version 1.4)

stoch.reg: Frequency Domain Stochastic Regression

Description

Performs frequency domain stochastic regression discussed in Chapter 7.

Usage

stoch.reg(data, cols.full, cols.red, alpha, L, M, plot.which)

Arguments

data
data matrix

cols.full
specify columns of data matrix that are in the full model

cols.red
specify columns of data matrix that are in the reduced model (use NULL if there are no inputs in the reduced model)

alpha
test size

L
smoothing - see spans in spec.pgram

M
number of points in the discretization of the integral

plot.which
coh or F.stat, to plot either the squared-coherencies or the F-statistics, respectively

Value

power.red
spectrum under the reduced model
Betahat
regression parameter estimates
eF
pointwise (by frequency) F-tests
coh
coherency

References

http://www.stat.pitt.edu/stoffer/tsa4/