efavdb

14 ms·

181.
Pricing Dividend Stocks(efavdb.com)
1 points by efavdb 6y ago|0 comments
182.
by efavdb 6y ago
The idea that long range communications enables echo chambers etc is compelling. However, I'm intrigued by the point that similar cycles have occurred elsewhere before the internet, e.g., in eastern europe in its transition to communi
183.
Utility Engines(efavdb.com)
1 points by efavdb 6y ago|0 comments
184.
by efavdb 6y ago
I read one guess that 2/3 of the published results in social science are wrong. Suppose you tried to develop a deeper theory of these things and derived consequences from these “results” as one does in math and physics. If your corol
185.
by efavdb 6y ago
Interesting observation. I feel it's all about baselines: To decide if you have a lot of something, you need to compare your allotment to some baseline. You'll feel like a victim if you're more mistreated than your baselin
186.
by efavdb 6y ago
Here's a quick estimate: The potential energy of the wave will go like mass x gravitational acceleration x height. If the depth (front to back) of the wave is about 1 meter and the height is also about 1 M, then per meter of wave we
187.
by efavdb 6y ago
sorry don't have much more insight here. I think the goal is to generally make any approximation that isn't relevant to the physical behavior one is trying to model. if a pole sitting somewhere isn't related to the phenomeno
188.
by efavdb 6y ago
That's mostly true -- however, physicists devote a lot of time to studying phase transitions and characterizing the kinds of discontinuities that are possible etc in that context.
189.
by efavdb 6y ago
thanks for your comment and suggestion. unfortunately we ate it all, but I'll try to add such a picture next time. The truth is that they aren't exactly spherical, but squished in on one side.
190.
2+1=4, by quinoa(efavdb.com)
366 points by efavdb 6y ago|168 comments
191.
by efavdb 6y ago
This is exciting. I've been following the idea for a month or so. Did you know that a group in Israel has tested the idea and found that it worked with the swab tests? I have a link on my notes below. I'll add your site to the
192.
by efavdb 7y ago
Pooling could be used to more rapidly test the asymptomatic population: https://github.com/EFavDB/pooling
193.
Q-Learning and DQN(efavdb.com)
3 points by efavdb 7y ago|0 comments
194.
Sample pooling to reduce needed disease screening test counts(github.com)
2 points by efavdb 7y ago|0 comments
195.
by efavdb 7y ago
Your analysis could go wrong if the two diseases have different rates of spread. Eg to continue your most favorable example that everyone in Italy has covid now, the death rate could be order the deaths so far over total population. The f
196.
Introduction to reinforcement problem with toy example(efavdb.com)
2 points by efavdb 7y ago|0 comments
197.
Universal limiting mean return of CPPI investment portfolios(efavdb.com)
4 points by efavdb 7y ago|0 comments
198.
Universal Drawdown Statistics in Investing(efavdb.com)
7 points by efavdb 7y ago|0 comments
199.
by efavdb 7y ago
His work is very good and important. However, I've always found it annoying that his name is attached to the "Erlang distribution" -- it's a Gamma distribution!
200.
by efavdb 7y ago
Often knowing that a problem has a solution is a big help. My understanding is that most expressions can't be integrated in closed form. Had the system been trained on the full set of problems, would it then learn the most likely ans
201.
TimeMarker Class for Python(efavdb.com)
1 points by efavdb 7y ago|0 comments
202.
Backpropagation in Neural Networks(efavdb.com)
2 points by efavdb 7y ago|0 comments
203.
An Orientational Integral(efavdb.com)
3 points by efavdb 7y ago|0 comments
204.
Compounding benefits of tax protected accounts(efavdb.com)
1 points by efavdb 7y ago|0 comments
205.
Utility Functions and Immigration(efavdb.com)
3 points by efavdb 7y ago|0 comments
206.
The Speed of Traffic(efavdb.com)
4 points by efavdb 7y ago|0 comments
207.
by efavdb 8y ago
Did you use the code for a supervised application? i.e., did you pass both an `X` and a `y` to the selector? If so, then getting less than 1 just means you can't get a perfect fit to `y` with your features. Please let me know if that
208.
by efavdb 8y ago
I think your criticism is right. In that line I was thinking about the feature selector, which does pull out 4 of the individual stocks -- these capture more than 50% of the variance in the full set. As you pointed out, that description i
209.
Linear compression in Python: PCA vs unsupervised feature selection(efavdb.com)
77 points by efavdb 8y ago|16 comments
210.
Linselect: a package for fast feature selection in python(github.com)
1 points by efavdb 8y ago|0 comments

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