ACF/PACF Model Identification Trainer

Practice identifying ARMA model structure from sample correlograms

Keyboard: G generate 1 AR 2 MA 3 ARMA Enter submit

Difficulty

Mode

Evidence checklist (Lectures 3-6)

Evidence	Options
Which decays slower?	ACF	PACF	Ambig.

Model class

Information criterion

Session:

0 / 0 (--)

Advanced options

p(AR) probability p(MA) probability

p(ARMA) probability Seed (optional)

Min T Max T

Max total params (p+q)

Time series y_t

Sample ACF

Sample PACF

Information criterion comparison (AIC)

Model	IC value	# params
Your model	—	—
True DGP	—	—

Truth (revealed after answer)

(answer to reveal)