Comment author: FrameBenignly 19 December 2014 03:35:28AM 4 points [-]

Could you add labels so stupid people like me could figure out what that graph means? I'm guessing the blue line is top level comments and the green line is total comments; both averaged from all the weekly open threads. The y axis would be number of posts and the x axis should be time but I'm not sure what unit it's in. Also, why does the blue line suddenly stop?

Comment author: TRManderson 19 December 2014 04:09:15AM 3 points [-]

The blue line suddenly stops because the last comment is posted at that time. I was kind of lazy about this graph and did have labels and a legend, but apparently I was too out of it to realise they didn't show on the png.

As said by gwillen, x axis is minutes.

Comment author: TRManderson 19 December 2014 02:48:36AM *  6 points [-]

So I did what you suggested and plotted the number of top level posts and total posts over time. The attached graph is averaged over the last 20 open threads. Code available here: https://gist.github.com/TRManderson/6849ab558d18906ede40

I don't trust myself to do any analysis, so I delegate that task to you lot.

EDIT: Changed GitHub repo to a gist

Comment author: TRManderson 19 December 2014 04:07:28AM 3 points [-]

Sorry about not having units, I added code to set them but apparently it was the wrong code and I wasn't paying enough attention.

Green line is total comments, blue is top level comments. X-axis is minutes, y axis is number of comments.

Comment author: TRManderson 19 December 2014 02:48:36AM *  6 points [-]

So I did what you suggested and plotted the number of top level posts and total posts over time. The attached graph is averaged over the last 20 open threads. Code available here: https://gist.github.com/TRManderson/6849ab558d18906ede40

I don't trust myself to do any analysis, so I delegate that task to you lot.

EDIT: Changed GitHub repo to a gist

Comment author: Metus 16 September 2013 06:37:21AM 0 points [-]

For what of the two? An example for the first is to think He will either buy the car or leave or I take a course of action I have not yet forseen where the action could be something malevolent or something happens that renders my plans irrelevant. An example for the second is to think I believe people are motivated by money. If I see a sizeable group of people living in voluntary poverty I should stop believing this.

Comment author: TRManderson 16 September 2013 07:04:52AM *  1 point [-]

That's not quite the law of the excluded middle. In your first example, leaving isn't the negation of buying the car but is just another possibility. Tertium non datur would be He will either buy the car or he will not buy the car. It applies outside formal systems, but the possibilities outside a formal system are rarely negations of one another. If I'm wrong, can someone tell me?

Still, planting the "seed of destruction" definitely seems like a good idea, although I'd think caution in specifying only one event where that would happen. This idea is basically ensuring beliefs are falsifiable.

Comment author: TRManderson 16 September 2013 06:55:31AM 11 points [-]

Does the average LW user actually maintain a list of probabilities for their beliefs? Or is Bayesian probabilistic reasoning just some gold standard that no-one here actually does? If the former, what kinds of stuff do you have on your list?

Comment author: somervta 30 August 2013 09:36:29AM 2 points [-]

Because doing so will lead to worse outcomes on average. Over a long series of events, someone who just follows the math will do better than someone who is risk-averse wrt to 'utility'. Of course, often our utility functions are risk-averse wrt to real-world things, because of non-linear valuation - e.g, your first $100,000 is more valuable than your second, and your first million is not 10x as valuable as your first $100,000.

Comment author: TRManderson 30 August 2013 10:05:27AM *  0 points [-]

Thanks. Just going to clarify my thoughts below.

Because doing so will lead to worse outcomes on average.

In specific instances, avoiding the negative outcome might be beneficial, but only for that instance. If you're constantly settling for less-than-optimal outcomes because they're less risky, it'll average out to less-than-optimal utility.

The terminology "non-linear valuation" seemed to me to imply some exponential valuation, or logarithmic or something; I think "subjective valuation" or "subjective utility" might be better here.

Comment author: TRManderson 30 August 2013 09:31:09AM 1 point [-]

Is there any reason we don't include a risk aversion factor in expected utility calculations?

If there is an established way of considering risk aversion, where can I find posts/papers/articles/books regarding this?

Comment author: JamesCole 14 April 2011 02:21:51PM 2 points [-]

While we're on the topic of an Australian meetup, are there any other LW ppl in Brisbane? If there's some we could organise a meetup.

Comment author: TRManderson 23 August 2013 06:59:51AM 1 point [-]

Just found this in a search for "Brisbane". I'd show up, and maybe bring a friend who is a non-LW rationalist.

Comment author: J_Taylor 01 August 2013 06:43:23AM 4 points [-]

I apologize if I misinterpreted your statement:

Some fraction of the population is naturally poly, some naturally mono, some can go either way depending on circumstances.

I was curious what was meant by this.

Comment author: TRManderson 15 August 2013 04:56:08AM 0 points [-]

It's likely that Eliezer isn't tending towards either side of the nature vs. nurture debate, and as such isn't claiming that nature or nurture is doing the work in generating preferences.

Comment author: Technoguyrob 21 December 2011 09:37:56PM *  1 point [-]

This is obvious after you learn calculus. The "nth difference" corresponds to nth derivative (a sequence just looks at integer points of a real-valued function), so clearly a polynomial of degree n has constant nth derivative. It would be even more accurate to say that an nth antiderivative of a constant is precisely a degree n polynomial.

Comment author: TRManderson 02 August 2013 12:36:44PM 0 points [-]

Neither finite differences nor calculus are new to me, but I didn't pick up the correlation between the two until now, and it really is obvious.

This is why I love mathematics - there's always a trick hidden up the sleeve!

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