I am taking a statistics subject for psychology and the content has recently covered multitrait multimethod matrices (MTMM). I am trying to wrap my head around it. Just as an example, for a matrix measuring 4 traits using 3 methods, would we need to make 12 measurements or 13 or 24?
I am super confused as I asked on our subject discussion board and the lecturer said it would be 12, but if we only made 3x4=12 measurements, how would we get the test-retest reliability that is on the longest diagonal of the matrix/correlation table? Doesn't that require 12x2 measurements to arrive at 12 monotrait-monomethod correlations/reliability coefficients?
Any help or input would be much appreciated! Cheers
I've been continuing learning Clojure by programming mazes. I reached an interesting milestone recently when I implemented different types of mazes (e.g. square vs polar, masked vs unmasked) and used multimethods to dispatch based on the maze type. This works well and it's neat that I just need to change a function's definition to use defmethod and everything carries on working.
On the other hand, I find it disconcerting that a function might be doing all kinds of clever dispatching without me knowing. At work I use TypeScript and I think I have been unconsciously relying on methods being a syntactic marker that class-based dispatch is happening. Is that actually a useful distinction, or am I just deprogramming myself from OOP?
One benefit of a class is that I can jump to it and see every method it (or its hierarchy) implements. Writing a class implies making its methods logically coherent (or at least encourages you to). With multimethods being independent, by contrast, if I write things correctly, they should naturally compose together and I can make e.g. a masked polar grid just by using the appropriate methods without having to define a MaskedPolarGrid class.
However, I feel like I'm missing some organisational construct that would help me ensure that "I write things correctly" and that every permitted combination of multiple multimethod dispatches generates meaningful output. As the number of multimethods and implementing methods increase in an application, does it not become increasingly easy to miss that such-and-such a combination of dispatch values breaks?
If I understand correctly, a Clojure multimethod can be defined anywhere and dispatch on any thing. Does this not make it dangerously easy for distant parts of the codebase to influence each other, perhaps inadvertently? Is it therefore better practice to dispatch on an explicit :type or similar, rather than inspecting the shape/content of the input? I'm wondering whether the latter could make refactoring difficult and even lead to situations where two multimethods expectations about the input's shape became incompatible.
thanks in advance.
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Summary:
Return to a world of two realities: one, everyday life; the other, what lies behind it. To find out if his reality is a construct, to truly know himself, Mr. Anderson will have to choose to follow the white rabbit once more.
Director:
Lana Wachowski
Writers:
Lana Wachowski, David Mitchell
Cast:
- Keanu Reeves as Thomas Anderson/ Neo
- Carrie-Ann Moss as Trinity
- Yahya-Abdul Mateen II as Morpheus
- Jonathon Groff as Smith
- Jessica Henwick as Bugs
- Neil Patrick Harris as The Analyst
- Jada Pinkett-Smith as Niobe
-- Rotten Tomatoes: 68%
Metacritic: 65
VOD: Theaters, HBO Max
I'm almost finished with the original Matrix trilogy right now, since I had never seen the sequels before. Reloaded was... good, would've been a lot better if it weren't as bloated and unsatisfying in the end.
But holy shit, Revolutions really shit the bed after a fairly cool 1st act. Once the battle of Zion starts, it becomes a mosh pit of ugly, colorless CGI with no "fun" factor. There's nothing exciting or interesting going on, it's just a full 40 minutes of bland "pew pew".
Are there any other films that made you think this?
Rotten Tomatoes: 69% (176 reviews) with 6.30 in average rating
> Critics consensus: If it lacks the original's bracingly original craft, The Matrix Resurrections revisits the world of the franchise with wit, a timely perspective, and heart.
Metacritic: 64/100 (50 critics)
As with other movies, the scores are set to change as time passes. Meanwhile, I'll post some short reviews on the movie.
> Resurrections leaves plenty of things unexplored. For a movie that so loudly makes reference to the real world, its failure to address the place “red pill” symbolism has found in right-wing propaganda comes as a mild surprise. (The dialogue even contains the word “sheeple,” a favorite of those selling conspiracies online.) And there’s nothing here to inspire hope that, should Warners or whomever insist on more sequels, they’d be worth seeing. But as someone who watched Reloaded and Revolutions more than once, trying unsuccessfully to believe they were good (and who’d happily take a blue pill that erased them from my memory), I actually look forward to seeing this one a second time.
-John DeFore, The Hollywood Reporter
> Wachowski’s gamble is that viewers will enjoy a film that’s heavy on philosophizing and introspection as long as it retains the emotional, romantic hook that powered the first movie. Reeves and Moss sell their reunion as Neo and Trinity persuasively, glowing with the overwhelming chemistry and affection that Wachowski needed to push the film beyond cynicism.
> All of us are stuck in our reboots. But at a time when mega-budget franchise movies can only be about themselves, Lana Wachowski has made one that pushes beyond the dopamine hit of cheap nostalgia and dares to dream up a future where mainstream films might inspire us to re-imagine what’s possible instead of just asking us to clap at the sight of history repeating itself.
> In a world where “Space Jam” can hack into the “Matrix” IP, this far-from-radical add-on seems distractingly preoccupied with justifying its ow
... keep reading on reddit ➡
