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Model setup and properties

affectOU()
Create Ornstein-Uhlenbeck affect model
coef(<affectOU>)
Extract model parameters
dim(<affectOU>)
Extract dimensionality
equation(<affectOU>)
Extract model equations
print(<affectOU>)
Print affect OU model
print(<summary_affectOU>)
Print summary of affectOU model
summary(<affectOU>)
Summarize an Ornstein-Uhlenbeck affect model
update(<affectOU>)
Update model configuration

Simulation

as.array(<simulate_affectOU>)
Convert simulation results to array
as.data.frame(<simulate_affectOU>)
Convert simulation results to data frame
as.list(<simulate_affectOU>)
Convert simulation results to list
as.matrix(<simulate_affectOU>)
Convert simulation results to matrix
head(<simulate_affectOU>)
Head of simulation results
print(<simulate_affectOU>)
Print simulation object
print(<summary_simulate_affectOU>)
Print summary of simulation results
simpaper
Simulation in Evers & Vanhasbroeck (2026)
simulate(<affectOU>)
Simulate from Ornstein-Uhlenbeck process
summary(<simulate_affectOU>)
Summarize simulation results
tail(<simulate_affectOU>)
Tail of simulation results

Visualising Simulations

ou_plot_acf()
Plot autocorrelation and cross-correlation functions
ou_plot_histogram()
Plot simulation histogram
ou_plot_phase()
Plot phase portrait
ou_plot_time()
Plot simulation trajectory
plot(<simulate_affectOU>)
Plot simulation

Theoretical properties

print(<stability_affectOU>)
Print stability analysis
print(<stationary_affectOU>)
Print stationary distribution
stability()
Assess stability
stability(<affectOU>)
Assess stability for Ornstein-Uhlenbeck model
stationary()
Compute stationary distribution
stationary(<affectOU>)
Compute stationary distribution for Ornstein-Uhlenbeck model

Fitting the univariate OU to data

coef(<fit_affectOU>)
Extract coefficients from fitted OU affect model
confint(<fit_affectOU>)
Confidence intervals for fitted OU affect model
fit(<affectOU>)
Fit Ornstein-Uhlenbeck model to data
logLik(<fit_affectOU>)
Extract log-likelihood from fitted OU affect model
ou_plot_fit_acf()
Plot ACF of residuals
ou_plot_fit_qq()
QQ plot of residuals
ou_plot_fit_residuals()
Plot residuals over time
ou_plot_fit_time()
Plot observed vs fitted trajectory
plot(<fit_affectOU>)
Plot fitted model diagnostics
print(<fit_affectOU>)
Print fitted OU affect model
print(<summary_fit_affectOU>)
Print summary of fitted OU affect model
summary(<fit_affectOU>)
Summarize fitted OU affect model