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Different types of Validations in Machine Learning (Cross Validation)

by Sunny Srinidhi - 0

Now that we know what is feature selection and how to do it, let's move our focus to validating the efficiency of our model. This is known as validation or cross validation, depending on what kind of validation method you're using. But before that, let's try to understand why we need to validate our models. Validation, or Evaluation of Residuals Once you are done with fitting your model to you training data, and you've also tested it with your test data, you can't just assume that its going to work well on data that it has not seen before. In other words, you can't be sure that the model will have the desired accuracy and variance in your production environment. You need

Make Node.js debugging easier with colorful log messages

by Sunny Srinidhi - 0

I’m working on my second project in Node.js. I kind of love it. I haven’t yet decided to find out how better it performs compared to apps written in other languages, such as PHP, or Java. But writing Node.js apps is fun, mostly because you can get npm packages for almost everything you need during development. This helps you concentrate on the business logic and not worry about writing basic boilerplate code. What’s the advantage? Well, you can write a POC/MVP app really quickly. Anyway, one thing I noticed while working on the previous Node.js app was that debugging is a bit difficult if you, like me, have an obsession with having proper log messages everywhere. So one of the first

Importance of proper documentation in a project

by Sunny Srinidhi - 1

In the tech industry, it’s not uncommon for developers to work on project maintenance. You could be asked to fix a few bugs in a system which is already in production and has a user base. Or to add new features, or to refactor. Sometimes, you’d even be asked to rewrite the whole project in a different language/framework. For all these, it’s very important to setup the existing code on your development machine, and understand it properly. And for this, you need proper documentation. Most projects today have their own git repository. It’s very unlikely that a project is distributed within a team by copying it on to a storage device. Even your incomplete, two-year old pet projects are usually on

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