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Aleksey Vyazmikin
Added topic Is there a pattern to the chaos? Let's try to find it! Machine learning on the example of a specific sample.
Actually, I suggest downloading the file from the link . There are 3 csv files in the archive: train.csv - the sample on which you need to train. test.csv - auxiliary sample, it can be used during training, including merged with train. exam.csv - a
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Aleksey Vyazmikin
Published article Quantization in machine learning (Part 2): Data preprocessing, table selection, training CatBoost models 
The article considers the practical application of quantization in the construction of tree models. The methods for selecting quantum tables and data preprocessing are considered. No complex mathematical equations are used.
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Aleksey Vyazmikin
Published article Quantization in machine learning (Part 1): Theory, sample code, analysis of implementation in CatBoost 
The article considers the theoretical application of quantization in the construction of tree models and showcases the implemented quantization methods in CatBoost. No complex mathematical equations are used.
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2999
Aleksey Vyazmikin
Added topic Algorithm for combining ranges of a segment - help to create
Please help me to create an algorithm that combines pieces (ranges) of a segment into one segment without intersecting segments, with a possible gap to be filled in later. Initially we have an array of numbers in a certain range, numbers can be
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Aleksey Vyazmikin
Added topic The great loss mechanism
Almost everyone has non-systemic capital losses from currency or stock market transactions, and I am no exception. In this thread I propose to think about and understand the mechanism of these accidents to try and prevent them in the future. We are
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Aleksey Vyazmikin
Added topic Stop Loss doesn't work any more - to lose is to lose.
SL broke - how come? Screenshots of the MetaTrader trading platform Si-9.19, M1, 2019.08.28 JSC ''Otkritie Broker'', MetaTrader 5, Real Stop Loss broke 2019.08 . 28 16 : 53 : 31.179 Trades '***' : buy limit
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Aleksey Vyazmikin
Added topic Evaluating CPU cores for optimisation
I suggest collecting statistics on the performance of various processors to estimate their effectiveness for the Strategy Tester in optimization mode. To be more objective, I suggest using an Expert Advisor that runs in the"Mathematical Computing"
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Aleksey Vyazmikin
Added topic Prop trading - is it a scam or is it good?
A lot of people have heard about proprietary Forex trading , but here I came across an advertisement for proprietary trading on Forts, which made me generally interested after I got acquainted with the terms and conditions. In brief, you risk your
173
Aleksey Vyazmikin
Added topic Fins in the glass - trying to understand what happened by the ticks
Actually Si-6.19 instrument 03.04.2019 13:00 I was confused by the spread in the tester - over 60 pips, so went to look at the tick history. Here's the statement <DATE> <TIME> <BID> <ASK> <LAST> <VOLUME> VolSumm
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Aleksey Vyazmikin
Added topic MT5 RAM memory voraciousness, problems with reading/writing large files
I have a question, my CSV file is 78 megabytes in size, I want to calculate it, as Excel is very slow because of its size, I was thinking to use MT5. I made a script that only reads data into arrays for each line (57 arrays for reading from file and
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Aleksey Vyazmikin
Added topic Gathering a team to develop an IO (decision tree/forest) in relation to trend strategies
I propose to rally to the challenge of MO in relation to trends, i.e. where the probability of an outcome event must be predicted many bars ahead. What I propose from my side: 1. a basic strategy for generating targets. 2. Maintaining a joint
200
Aleksey Vyazmikin
Added topic Videos for the marketplace
I propose to discuss the topic of creating videos for the marketplace. Do you need videos to successfully sell a product or are they overkill and a waste of time? What about sound - silence, music or commentary? What resolution should be the file (in
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Aleksey Vyazmikin
Added topic Is the glass half full or half empty - how do you analyse the glass and apply it in trading?
I propose to discuss ways to apply price analysis in a market cup. I've been observing the Depth of Market for many hours, but I still do not understand if it makes sense to analyze it, and if it does, how and in what way to implement this analysis
108
Aleksey Vyazmikin
Added topic Futures bonding - finding seams
In order to test the EA , we need to get rid of the seams on the futures glues, particularly on Si. How do I know the dates of the stitches to eliminate them? The idea is the expiry day - but where is the list of all expiry days? Maybe there is a
70
Aleksey Vyazmikin
Added topic How can one tolerate losses, or a life of waiting for profits?
I am psychologically uncomfortable with losing streaks - I get anxious and disappointed in myself. Now I trade with my hands, and every trade at a loss gets me down - I'm looking for new ideas for trend trading. Stops especially annoy me - I look at
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Aleksey Vyazmikin
Added topic Numerical series density
I propose to discuss algorithms and methods for finding the density of numbers if those numbers are known. For example, there are 10 numbers - how do you find the range of numbers that have a higher density relative to the available numbers? NO.P./P
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Aleksey Vyazmikin
Added topic Evaluating the effectiveness of filters in the construction of an ATC
I propose to discuss a difficult topic - evaluating the effectiveness of filters when building an ATS. There is a global idea in building ATSs - a strategy, for example - to buy when the market is falling, or vice versa - to open positions in the
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Aleksey Vyazmikin
Added topic Break-even interest
Please help me find a solution in the form of a formula/algorithm. Given percentage levels (Fibonacci levels ) Levl_00= 0% Levl_01= 23 , 6% Levl_02= 38 , 2% Levl_03= 50% Levl_04= 61 , 8% Levl_05= 76 , 4% Levl_06= 100% Levl_07= 123 , 6% Let zero
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Aleksey Vyazmikin
Added topic Theory of EA acceleration when using a custom indicator (function - iCustom)
I will start by saying that I am not a programmer and I could be wrong, but I would like to hear a professional's opinion of the idea suggested below, based on calculations. The use of custom indicators is a topical issue when developing an Expert
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Aleksey Vyazmikin
Added topic The perfect Take Profit
When developing a trading system it is not uncommon to ask the question, what is the most ideal moment to exit their trade in profit? Stop Loss is by definition an option to take what is left of the maximum profit, so I am interested in options for
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