A recent article gave an introduction to the field of machine learning in JavaScript by predicting housing prices with gradient descent in a univariate regression problem. It used plain mathematical expressions and thus made use of the unvectorized implementation of gradient descent and the cost function. This article takes it one step further…

A recent article gave an introduction to the field of machine learning in JavaScript by predicting housing prices with gradient descent in a univariate regression problem. There are several improvements to optimize the gradient descent algorithm that should be collected in this article. In general, when dealing with a regression problem, the…

The article showcases how to setup an automated Slack invitation for a JavaScript and/or React application. Why would you want an automated Slack invitation in the first place? My personal motivation was it to create a like minded community of people learning React, but the idea about a Slack Channel started out on Twitter. Sometimes people…

There a various tutorials showing you how to host your web applications with a couple of lines on any hosting solution. But that's it. You are able to host your application somewhere, but there are a lot of open questions. What about using an own domain? What about securing it with SSL? What about hosting multiple applications side by side yet…

After learning about gradient descent in a linear regression , I was curious about using different kinds of hypothesis functions to improve the result of the algorithm itself. So far, the hypothesis function was only a linear straight line. However, your training set may not have a linear correlation and by staying with a linear model it becomes…

Recently, I built my own course platform to teach students and professionals about web development. The courses on the platform are teaching about React and its ecosystem, but I want to generalize the platform's implementation in the future. It should be reusable for for other educational domains too. The platform launch came along with the release…

When I recently started to dive into the topic of machine learning, I had to relearn all the things I have studied about linear algebra, stochastic and calculus at school and university. I took a little refresher on matrix operations (addition, subtraction, multiplication and division) in linear algebra and learned about the different types of…

Recently I started to take the Machine Learning course by Andrew Ng on Coursera. So far, it is a blast and I am so keen to apply all my learnings in math from university. Starting right into web development after university, I never had the opportunity to apply those learnings when implementing web applications. Now, it is refreshing to see use…

MobX is used for state management in modern applications. Often it is applied in a React.js application, but it is not necessarily bound to React. In addition, it is a valuable alternative to Redux as state management solution. If you are using create-react-app as your application boilerplate, you most likely run into the questions of how to…