Parameter-expanded expectation maximization (PX-EM) (Maximum Likelihood Methods in Unknown Latent Variables Maximum Likelihood Methods in Unknown Latent Variables)
Revision as of 10:54, 15 February 2023 by Admin (talk | contribs) (Created page with "== Time Complexity == $O(n^{3})$ == Space Complexity == $O(n+r)$? words (Stores current theta (+ alpha) and Z guesses, which is updated each iteration. Also assumes description of log-likelihood takes O(n+r) auxiliary space.) == Description == == Approximate? == Exact == Randomized? == No, deterministic == Model of Computation == Real RAM == Year == 1998 == Reference == http://www.stat.ucla.edu/~ywu/research/papers/PXEM.pdf")
Time Complexity
$O(n^{3})$
Space Complexity
$O(n+r)$? words
(Stores current theta (+ alpha) and Z guesses, which is updated each iteration. Also assumes description of log-likelihood takes O(n+r) auxiliary space.)
Description
Approximate?
Exact
Randomized?
No, deterministic
Model of Computation
Real RAM
Year
1998