elo | Very simple Python implementation of the Elo rating system | Machine Learning library
kandi X-RAY | elo Summary
kandi X-RAY | elo Summary
Very simple Python implementation of the Elo rating system.
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Top functions reviewed by kandi - BETA
- Evaluate an ELO .
- r Return the expected value of A and B .
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elo Examples and Code Snippets
Community Discussions
Trending Discussions on elo
QUESTION
I have the following data stored in a DynamoDB table called elo-history
.
ANSWER
Answered 2021-Jun-13 at 15:03It looks like you're modeling the one-to-many relationship between Games and Results using a complex attribute (e.g. a list or objects) on the Game item. This is a completely valid approach to modeling one-to-many relationships and is best used when 1) the results data doesn't change (or change often) and 2) you don't have any access patterns around Results.
Since it sounds like you do have access patterns around Results, you'd be better off storing your Results in their own items.
For example, you might consider modeling results in the user partition with a PK=USER#user_id SK=RESULT#game_id. This would allow you to fetch results by User ID (QUERY where PK=USER#user_id SK begins_with RESULT). Alternatively, you could model results with a PK=RESULT#game_id SK=USER#user_id and create a GSI that swaps the PK/SK's which will allow you to group results by User.
I don't know the specifics around your access patterns, but can say that you'll need to move results into their own items if you want to support access patterns around game results.
QUESTION
As a Swift newbie I am trying to localize a simple SwiftUI and Core Data project at Github:
I have added the following en.lproj/Localizable.strings file to my project:
...ANSWER
Answered 2021-Jun-06 at 16:53Use only %d
. %d
is for an integer type
QUESTION
I have a restful API utilizing mux and mongo-driver. Following a tutorial, I attempted to setup the server and mongo client like so in the main package:
...ANSWER
Answered 2021-Jun-05 at 21:42The standard way of doing this while avoiding globals would be to define a struct
that represents your server, and its methods would be the handlers. Then the methods share the struct's data, and you place things like your mongo client in there.
Something like this (in your admin
package):
QUESTION
i am trying my hand at front end development for the first time and am having a little glitch which is not behaving as i thought it would.
The website is calculating ratings for sports teams using ELO derived algos.
Problem 1 : On the EPL Game Results tab it should only have 'ternary algorithm' active on page load, and the tab should have a green underline. Currently nothing is underlined on initial load, and both tabs (ternary and MOV) appear to be active.
Problem 2 : when you click MOV algorithm, and then refresh the page, I need it to just be the MOV algorithm active and underlined. Currently, MOV stays underlined but both MOV and Ternary become active.
Here is the jsfiddle: https://jsfiddle.net/wa7gb43j/
...ANSWER
Answered 2021-Jun-05 at 03:59First of all, you have too much inline code going on, this is a bad practice. Avoid using inline style when possible. So instead of changing style.display
, add/remove a class or an attribute that would do the style changes within CSS, this way you can eliminate the need of loop through elements to change all their styles.
Just a quick and dirty example of what I mean:
QUESTION
For the question I have prepared a simple test project at Github:
It is a SwiftUI List with a custom View TopRow.swift:
...ANSWER
Answered 2021-Jun-03 at 17:48You can't put imperative code like that at the top level of a struct
or class
-- the top level is reserved for declarations of functions and properties.
You could make the topEntity
a computed property instead -- that way your imperative assignments can go inside the { }
and not exist at the top level:
QUESTION
Being a Swift newbie I am trying to fetch a list of JSON objects, save them to Core Data, then display in a SwiftUI List:
The JSON objects have a unique numeric uid
(acting as PRIMARY KEY in my PostgreSQL backend).
I map them to id
in my TopModel.swift:
ANSWER
Answered 2021-May-16 at 17:39In Core Data you have to check if the entry already exists, create a predicate and fetch the objects with the unique id. If there is no item create one.
QUESTION
Being a Swift newbie I do not understand how to fix the layout problem -
As you can see in the above screenshot, the proportions between the name, the game stats and the photo change with each row.
In my custom View the following code is being used:
...ANSWER
Answered 2021-May-15 at 09:20If your middle content size is the same for all the list rows, then you can use .fixedSize
and frame.
QUESTION
ANSWER
Answered 2021-May-13 at 12:05Assuming that name is unique
, so that we can join
QUESTION
I'm trying to increment a property in a class, and for some reason the property is acting like it isn't a number. the problem is specifically in this code:
...ANSWER
Answered 2021-May-12 at 22:21The problem here is that you're not mapping the response from DynamoDB correctly. Best explanation is to show you how to map it properly:
QUESTION
Sequel to this question: Live statistics chess960 from chess.com?
So suppose I go to like
https://api.chess.com/pub/player/gmwso/games/2020/12
or
https://api.chess.com/pub/player/gmwso/games/2020/12/pgn
there's gonna be a bunch of stuff like say
...ANSWER
Answered 2021-May-01 at 12:30Try
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Install elo
You can use elo like any standard Python library. You will need to make sure that you have a development environment consisting of a Python distribution including header files, a compiler, pip, and git installed. Make sure that your pip, setuptools, and wheel are up to date. When using pip it is generally recommended to install packages in a virtual environment to avoid changes to the system.
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