πŸ’ c# - Beginnings of a Poker hand classifier - Code Review Stack Exchange

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UCI Poker Hand classification using CatboostΒΆ. In [1]. import numpy as np # linear algebra import pandas as pd # data processing, CSV file I/O (e.g.


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alliknow.ru β€Ί Poker_hand_classification.


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The classification of poker hands with 94% classification accuracy. a Backpropagation method to solve poker hand classification standard deck of.


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Poker hand classification. Abstract: Artificial Neural Network (ANN) forms a useful tool in pattern recognition tasks. Collection of five, eight or.


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Improving your Card class. I can see that your code is not working for all the different combinations, so I wont comment on that, but there are.


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Create a program to parse a single five card poker hand and rank it according to this list of import alliknow.ru, alliknow.ru, alliknow.ruthm, alliknow.ru;.


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Through this article I will try to show how can various classification algorithms be used to predict the possible poker-hand(s).


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Through this article I will try to show how can various classification algorithms be used to predict the possible poker-hand(s).


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Poker hand classification. Abstract: Artificial Neural Network (ANN) forms a useful tool in pattern recognition tasks. Collection of five, eight or.


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Sum ; Where card is the current card and i is the index. Exercise: given n two-card hands and five community cards, describe how to divide the pot. So do that! I googled what a card "face" was, and it sounds more like a bool than a string a card is or isn't a face, right? Face, hand[4]. Take 2. Exercise: Implement the rest of the rules of poker: ante, betting, raising, etc. Read the rules of poker carefully; that's your specification. So make the code actually do that. For example if there is card behaviour or attributes that would depend on Suit, each subclass can override a base method and implement Suit-specific behaviour, without the calling code needing to know and implement the Suit-based logic. Exercise: Given two hands, which, if either, is the winning hand? Sign up using Email and Password.{/INSERTKEYS}{/PARAGRAPH} You can return the string without assigning to a variable, i. Which do you suppose will be easier to maintain? So how do you achieve immutability in C? Eric Lippert Eric Lippert I had planned to practice linq a lot more so I'll give your exercises a try. Also depending on how you use the Suit information, it might be a better idea to subclass the card types, rather than use an enum. What are you doing logically? Suppose there are two hands, both are two pair, and both are pair of kings, pair of queens. Now how to divide the pots? LINQ make the code read more like its meaning rather than a bunch of loops and counters that seem completely disconnected from the domain at hand. I'm just trying to help myself improve my problem solving. You should declare them as constant variables with descriptive names:. A "hand" sounds like an object maybe not a physical object, maybe it's conceptual, but that's still an object. Steve Steve 7 7 bronze badges. Readonly allows a value to be assigned to an object only at instantiation, or in the constructor. Exercise: Now add flushes, straights, and straight flushes. One of them still could win. Note that you have to represent ties somehow. Exercise: Come up with a better representation for the value of a hand other than a string describing it. Note: you do not have to provide extracts of code if you don't wish to. Even tho I think you should have a designated class for Hand and accept that as parameter. Again, try to make the code read like the rules. If you can ask questions about a "hand", or perform actions on a "hand", or get information from a "hand", then it should be its own object type. If you are planning to expand your program, I recommend posting your code for review here every now and than, as I can tell you are still beginner level and getting reviews here might be extremely useful for you, to teach you good practices, show you new ways of doing stuff and basically improve your code. The magic numbers should become well-named constants. If there are 7 cards then how many hands should you get? I have a method that receives a list item which essentially is a hand of 5 cards then tells the user how about the hand such as pairs and three of a kind however it feels incredibly sloppy and would like to know if it's improvable. As far as I can test, it works as intended. If the point total is 12 then Which is more likely to be correct, code that resembles the logic of the rules, or code that does some completely other thing that you hope is equivalent to the rules? I've tried something similar here , although it's in Python and uses some magic. And the strings could become values of an enum that contains all possible results. C 6 offers us implicit creating of readonly properties which are also know as get only properties. It's a very compact representation, plus there are lots of tricks for fast hand classification -- for example if you "and" all the cards in a hand you can check the suite bits and'ing with a bitmask, and comparing to zero to detect a flush. It only takes a minute to sign up. That will allow you to return an enum e. Denis Denis 8, 4 4 gold badges 22 22 silver badges 62 62 bronze badges. You should also check if the length of the parameter hand is equal to 5, else your program will crash add on top of the method like this: if hand. The term magic number is referring to numbers that the reader of your code not you wont be able to tell where they are coming from, you have a bunch of those in your switch case:. To divide the cards up into groups based on their face value. Fail "How'd we get here? Exercise: Come up with a better representation for the value of a hand other than a string describing it Exercise: Make a class for hands. For anything with board you also need to determine the best 5 cards which is more complex. Sign up to join this community. If there are exactly 5 then you should get exactly one hand. Exercise: Cards don't change their kind, but you've modeled them as having setters. What operations do you need to perform on hands? Face, hand[3]. Face, hand[1]. But we actually don't need this at all, because your main algorithm can be made more clear with LINQ as well. No need to call your suit "Suitc", you can call it "Suit". {PARAGRAPH}{INSERTKEYS}Code Review Stack Exchange is a question and answer site for peer programmer code reviews. You should also check if the length of the parameter hand is equal to 5, else your program will crash add on top of the method like this:. Remember, your goal here is to correctly implement the rules. Home Questions Tags Users Unanswered. I can see that your code is not working for all the different combinations, so I wont comment on that, but there are other things you might improve :. Can you use LINQ? Active Oldest Votes. Note that you'll need more than just the kind of hand it is! But with the double loop, the return values are a bit messy in my opinion. Make the card type an immutable struct, not a mutable class. With the help of properties backed with readonly field. The best answers are voted up and rise to the top. Grouping the cards by face value and counting how many cards are in each group. Good luck! Sign up or log in Sign up using Google. Face, hand[2]. Viewed 2k times. If there are 6 cards then you should get 5 hands. Also 5 cards is only useful for 5 card draw. Asked 3 years, 5 months ago. Exercise: What if there are multiple pots, due to an all-in situation? Sign up using Facebook. Active 3 years, 5 months ago. ToArray ; But we actually don't need this at all, because your main algorithm can be made more clear with LINQ as well. The rules do not say "consider all ordered pairs of cards; assign one point for each identical card in that set of pairs. TwoPairs , so you don't have to parse the string to figure out what the result was, and it also allows the caller to then decide how to display the information. Beginnings of a Poker hand classifier Ask Question. Exercise: given a sequence of 7 cards, find the highest 5-card hand in it. How would you have done it? If there are fewer than 5 cards in the sequence then clearly the resulting sequence should be empty. Again, remember, you are implementing the rules of poker , and those include ties. What do you want? The number is typically called rank but the problem is full house, quads CompareTo int otherHand. This is object that can receive values only upon instantiation, if you want to change some value, you need to create new object, an example of immutable object is string. Exercise: Given a sequence of cards, generate all possible five-card hands.