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critiq

critiq on Hacker News

Re:Ask HN: How credible is Reinforcement learning in finance(stocks)? on Wednesday September 09, 2020 @03:48AM (#24418427)
Thanks for your reply
Re:Ask HN: How credible is Reinforcement learning in finance(stocks)? on Wednesday September 02, 2020 @02:36AM (#24350610)
Yeah thanks, I have tried, I was comparing and found reinforcement learning is not really reinforcement in this setting. As it cannot allow exploring like what if scenario. It is similar to supervised learning setting as we do in labeling large data and trying to classify etc.

In contrast if we take https://gym.openai.com/envs/Pendulum-v0/ Environment allows algorithm to play with it and learn from new conditions and actions, so is reinforcement. To me finance is like teacher trying to tell same story no matter what student does/learns, bit wierd.

Ask HN: How credible is Reinforcement learning in finance(stocks)?

Posted by critiq on Tuesday September 01, 2020 @01:29PM
from the ask-hn dept.

Recently came across blog post on reinforcement learning on stock data to trade. However in reinforcement setting agent should be able to play with simulated environment to explore and learn. However there is no way to simulate the price all it does is takes historical fragment of price and replays it.In my mind it is equivalent to historical data labeled and resampled with redundancy after...

( Read More... | 5 comments | 8 points | on HN )
Re:Ask HN: Opinions on Talky.io on Friday April 24, 2020 @12:07PM (#22969568)
heats my mac

Ask HN: How to discover/read quality content?

Posted by critiq on Friday January 17, 2020 @02:57AM
from the ask-hn dept.

Nowadays I come across an attractive titled blog mostly from medium starts with a high pitch but usually, there will be generally available content presented in a bit polished way. Only to realize there is not much substance in the article. Does anyone share similar experience?

( Read More... | 2 comments | on HN )
Re:Show HN: Habit coach for personalized habit plan and followup on Wednesday October 16, 2019 @01:32PM (#21272992)
Yeah, more of assisting in planning different hacks for setting up habit and tracking and so on. Overall like personal coach to focus.
Re:Ask HN: How to start a business where there is competitors already? on Monday February 20, 2017 @01:17AM (#13684785)
short answer: yes

  however there are many factors to consider before going that path
  * Low price start will be barrier for any future price changes or re-assesment.
  * There is quality perception attached to price so it impacts brand perception.
  * Even with price differentiation quality is something cant be compromised (in most of cases)
Re:How brain activity changes based on various activities on Friday December 04, 2015 @06:59AM (#10675814)
Thanks for both comments, as I mentioned in other comment I am curious if it can be fitbit for mind tomorrow :)
Re:How brain activity changes based on various activities on Friday December 04, 2015 @06:58AM (#10675806)
Yes I do understand it like measuring temperature at one point on mac and trying to predict what application its running. However thats not what I wanted (though I dont know what I wanted), I was curious how activity changes and If am not wrong these activity comes at cost both energy and capacity to think / focus. Who knows if you can wear fitbit for mind tomorrow :)
Re:How brain activity changes based on various activities on Friday December 04, 2015 @06:55AM (#10675797)
sorry, I meant 1 signal instead of 10-20 or any other 2 leg based differential analysis.
Re:Show HN: Map for programmers: Explore tech neighbourhood -- feedbac... on Monday August 10, 2015 @11:39AM (#10035290)
sure, will have to check vis js to highlight on mouse over
Re:Show HN: Map for programmers: Explore tech neighbourhood -- feedbac... on Monday August 10, 2015 @12:42AM (#10032690)
yes it is vis js (visjs.org), really nice library
Re:Show HN: Map for programmers: Explore tech neighbourhood -- feedbac... on Saturday August 08, 2015 @05:21PM (#10028708)
it is mainly based on stackoverflow tag data, please share any comments ideas for feature

click on nodes to expand and explore.

Re:Things I would build if I worked at GitHub on Wednesday August 05, 2015 @11:21PM (#10014371)
I think I am happy that git hub not doing any of this. If they do everything * they may have affinity towards their stack. * excel on none. * lock in
Re:Run Nasm X86/x64 Assembly Code Online on Tuesday July 28, 2015 @04:33AM (#9960224)
Nice, how interrupts are handled? core dumped on int 3
Re:Ask HN: Should I unplug my laptop charger at 100%? on Tuesday May 05, 2015 @07:34AM (#9491916)
mine is at 103.211

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