There are four collection data types in the Python programming language: List is a collection that is ordered and changeable. It allows duplicate members. Tuple is a collection that is ordered and unchangeable. It allows duplicate members. Set is a collection that is unordered, unchangeable*, and unindexed. …

Introduction GitHub is a website, a cloud-based service that helps users store, manage code, track and control changes. Specifically, Git is a distributed version control system. This means that the entire codebase history is available on every developer’s computer. The word “Git” implies version control. In other words, it allows developers…

Is SQL needed for Business Professionals? SQL is one of the easiest computer languages to learn. These days more and more companies are encouraging their employees in non-IT areas (like sales, advertising, and finance) to learn and use SQL. When business is empowered to answer data-related questions themselves, the decision makers can then transform these insights…

Machine Learning and “Natural Language Processing” (NLP) can both uncover previously invisible patterns in these kinds of datasets, but can also automate certain tasks, freeing up people to do the higher-value, more creative work that machines can’t do. …

Gradient Descent Gradient Descent is the pillar behind most Machine Learning. When you fit a machine learning method to a training dataset, you’re probably using Gradient Descent. In this article I decided to show you exactly how it works, so please stay tuned if you want to know the mathematics behind this…

Data for Social Good — Purposeful organizations focus on people or the planet and strive to reduce negative impacts while increasing positive ones. Often, measurement and evaluation are used to justify impact. …

Before getting into AWS Analytics services, in this section we will take care of the pre-requisites such as users, roles and policies for S3. Goal: We will not be covering all the policies that are required for a typical project at this time. We will start with an s3 bucket…

For all Data-Eng enthusiasts, welcome!!! By the end of all my articles, you will be able to build Data Engineering Pipelines using AWS Analytics Services such as Glue, EMR, Athena, Kinesis, Lambda. We will do this by taking small steps each day, so in this article let us go over…

Anomaly Detection — Did you know that a typical organization loses an estimated 5% of its yearly revenue to fraud? However, there are also subtle and hidden events in user behavior that may not be evident but still signal possible fraud. Machine learning allows for creating algorithms that process large datasets with many…