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Name: Collins Ushi
Type: User
Bio: Software Engineer
Name: Collins Ushi
Type: User
Bio: Software Engineer
I am trying to describe complex matters in simple doodles!
List of 300 Angular Interview Questions and answers
API Authentication using JWT's (JSON Web Tokens). Plug n Play inside any app which requires authentication. NodeJs Express MongoDB & Redis.
BookShare app allows book lovers to share books
Project research paper on credit card fraud detection using Hidden markov model
This project is an implementation of credit card fraud detection using Hidden Markov Model (HMM)
As the world is rapidly moving towards digitization and money transactions are becoming cashless, the use of credit cards has rapidly increased. The fraud activities associated with it have also been increasing which leads to a huge loss to the financial institutions. Therefore, we need to analyze and detect the fraudulent transaction from the non-fraudulent ones. In this paper, we present a comprehensive review of various methods used to detect credit card fraud. These methodologies include Hidden Markov Model, Decision Trees, Logistic Regression, Support Vector Machines (SVM), Genetic algorithm, Neural Networks, Random Forests, Bayesian Belief Network. A comprehensive analysis of various techniques is presented. We conclude the paper with the pros and cons of the same as stated in the respective papers.
Hidden Markov Model (HMM) is used to model the sequence of operations in credit card transaction processing and demonstrate how to use it to identify fraud. An HMM is initially conditioned on a cardholder's normal behaviour using the KMeans algorithm for clustering. HMM calculated the probability of sequence, and when a qualified HMM does not authorize a credit card purchase with a high enough likelihood, it is classified as 'Fraudulent.' This approach comes out to be efficient, scalable and quite accurate in real-time predictions.
using HMM to detect credit card fraudulent transaction
Version 2 of Crwn-Clothing!
Clone to try a simple Electron app (in TypeScript)
A complete example showing how to use `electron-updater`
GraphQL, Express and Node.js Implementation
A Hidden Markov Model implemented in Javascript
:books: collection of JavaScript and TypeScript data structures and algorithms for education purposes. Source code bundle of JavaScript algorithms and data structures book
A simple laravel app that allows one to register/login - view, create, update, delete and restore notes (move to trash or delete forever). Paginations, time stamps are also included.
The MEAN stack uses Mongo, Express, Angular(6) and Node for simple and scalable fullstack js applications
private mobile file
Webpage for the .htaccess generator for angular apps using Angular 14, Angular 13, Angular 12, Angular 11, Angular 10, Angular 9, Angular 8, Angular 7 and less.
🚀Complete Node.js API built using 👉Typescript | Jest | MongoDB | Express
This is a RESTful API example based on Node.js and MongoDB, following the MVC pattern i.e. Model View Controller.
Simple PWA Portfolio Web App - with ECMAScript ES6
A declarative, efficient, and flexible JavaScript library for building user interfaces.
🖖 Vue.js is a progressive, incrementally-adoptable JavaScript framework for building UI on the web.
TypeScript is a superset of JavaScript that compiles to clean JavaScript output.
An Open Source Machine Learning Framework for Everyone
The Web framework for perfectionists with deadlines.
A PHP framework for web artisans
Bring data to life with SVG, Canvas and HTML. 📊📈🎉
JavaScript (JS) is a lightweight interpreted programming language with first-class functions.
Some thing interesting about web. New door for the world.
A server is a program made to process requests and deliver data to clients.
Machine learning is a way of modeling and interpreting data that allows a piece of software to respond intelligently.
Some thing interesting about visualization, use data art
Some thing interesting about game, make everyone happy.
We are working to build community through open source technology. NB: members must have two-factor auth.
Open source projects and samples from Microsoft.
Google ❤️ Open Source for everyone.
Alibaba Open Source for everyone
Data-Driven Documents codes.
China tencent open source team.