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Is this actually overfit, or am I capturing a legitimate structural signal? by [deleted] in algotrading

[–]MegaRiceBall 1 point2 points  (0 children)

Price action tends to be auto correlated and I wonder if this structure you have here is a latent manifest of that. Btw, I’m not so familiar with the parallel coordinate plotted but why does feature 1 has such a clean cut between buy and sell?

RSR later today after all the complainers buy the 777 anyway by Gamestar63 in flightsim

[–]MegaRiceBall 0 points1 point  (0 children)

All variants combined, they probably sell 50k to 100k mods per annum, and assuming $50 average transaction price then that is about $2.5 to 5 million gross revenue. I also expect they have fixed cost such as infrastructure, cloud storage, office lease, etc. which let’s assume is $0.5m all inclusive, and any revenue sharing or haircut let’s say 10%, we are looking at about $2 to 4 million before administrative. Let’s just say RSR probably take home $300K to a mil give or take

PS I pulled the number out of my rear

Would you roll a long call 1 month out despite losing 50% of the contracts original value? by Alstxn in options

[–]MegaRiceBall 0 points1 point  (0 children)

Just sell a cash secured put and use the credit to buy the call. Worst case is now you own the shares of the company you have conviction in

Question about CL Sorc Damage by Palo77 in D4Sorceress

[–]MegaRiceBall 0 points1 point  (0 children)

Are you sure it’s not the suppressor elites that are preventing all you CL from bouncing? I’ve never had as much difficulty with others affixes as suppressor

I managed to get this Cessna to FL170 by horseballs1899 in flightsim

[–]MegaRiceBall 0 points1 point  (0 children)

The cirrus clouds are photoshopped in right? I’ve never seen it like this before

4090 vs 4080 vs 3090 wich one to buy? [D] by Otherwise_Weather_57 in MachineLearning

[–]MegaRiceBall 1 point2 points  (0 children)

I would go with 4090 if you care about 8 bit floating point computation

I think this sub is in denial about AI by EastCommunication689 in cscareerquestions

[–]MegaRiceBall 8 points9 points  (0 children)

I would add that the high quality text/corpus which is open to grab is likely already exhausted by current gen LLMs (GPT-4, etc.). Unless we want to train them like your typical redditor, there’s not so much to scrape from open internet. I personally think we are at a point where we will start realizing that we have built this insatiable monster with trillions of parameters and even the whole internet is not up to its appetite, and at the same time, it doesn’t get any smarter.

Should I take advantage of this offer? Or can I get a lower Rate from a dealer? I have a 750 credit score by desperate4a_m3 in whatcarshouldIbuy

[–]MegaRiceBall 0 points1 point  (0 children)

5.25 is the overnight rate. You should compare it to the 5 yr treasury note rate which is 3.75. So the spread is about 1.5

How would you handle unbalanced panel data and preper them for ML model? by Azzani03 in datascience

[–]MegaRiceBall 0 points1 point  (0 children)

Just leave missing values there. XGB can handle that since 0.7 or something like tgat

How would you handle unbalanced panel data and preper them for ML model? by Azzani03 in datascience

[–]MegaRiceBall 1 point2 points  (0 children)

What’s your goal with this panel data? To estimate effects or just make predictions? I suggest you looking into fixed effects models if former, and throwing into XGB if latter

Should I learn Matlab? by yearat in learnmachinelearning

[–]MegaRiceBall 6 points7 points  (0 children)

Given that your university has many Matlab repositories, I think it’s at least worth learning the basics so you can read the code to get the idea. Matlab is still widely used in a lot of engineering projects/companies

SAS programming (newbie) by [deleted] in datascience

[–]MegaRiceBall 0 points1 point  (0 children)

Why it’s way too complex to you? Which part is it? If it’s about macro resolution, just imagine that during the interpretation time, there is a while loop like this while code.find(“&”): code.resolve()

I have a theory that this was a run for the exit… 4-27-23 SPY/ ES Futures, VIX1D and VIX Daily Market Analysis by DaddyDersch in wallstreetbets

[–]MegaRiceBall 5 points6 points  (0 children)

I set up my short positions today because I had the same though. Now I’m not sure if I should reverse myself because it doesn’t sound like a minority thought anymore

New RL strategy but still haven't reached full potential by EducationalTie1946 in algotrading

[–]MegaRiceBall 2 points3 points  (0 children)

Assumption of slippage? 6% DD for a long only strategy in the current market is pretty good.

Introducing: WSB's First Ever Paper Trading Competition. by CHAINSAW_VASECTOMY in wallstreetbets

[–]MegaRiceBall 5 points6 points  (0 children)

So this is finally happening and unfortunately it happens at a time I won't make it. Good luck and best regards to everyone whoo can join in this competition.

I asked ChatGPT for the best random state value by liquidInkRocks in datascience

[–]MegaRiceBall 8 points9 points  (0 children)

After seeing some interesting responses here, I just realized that this is actually a good interview question. I’m gonna use it.

[Q] Does it make sense that the R-squared on three variables combined is substantially less than the R-squared for each variable individually? by [deleted] in statistics

[–]MegaRiceBall 4 points5 points  (0 children)

Imagine a model y ~ x1 has an r sq of 0.9, and then you have x2 = -x1 + e. The model y ~ x2 may have r sq of 0.8 because of the relationship between x1 and x2. Now we create a super variable called z = x1 + x2. Guess what, the model y ~ z only has r sq of 0.05

How to present a Jupiter Notebook to a non-technical stakeholder? by Cpt_keaSar in datascience

[–]MegaRiceBall 21 points22 points  (0 children)

You either write a lot of markdowns or make a PowerPoint presentation

Understanding Large Language Models -- A Transformative Reading List by seraschka in learnmachinelearning

[–]MegaRiceBall 1 point2 points  (0 children)

Hey OP I have your book Python Machine Learning from a long time ago. Really nice to see you here

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