Machine Learning Interview: Basics

42 mins read In this post, I will provide the answers to the questions for the online ML interview book. 1) Explain supervised, […]

Introduction to advanced candlesticks in finance: tick bars, dollar bars, volume bars, and imbalance bars

56 mins read In this article, we will explore why traditional time-based candlesticks are an inefficient method to aggregate price data, especially under […]

Python Scipy sparse matrices explained

7 mins read Consider a two-dimensional data set consisting of 5 rows and 7 columns, where each element contains a value. Such data […]

Handling cyclical features, such as hours in a day, for machine learning pipelines with Python example

11 mins read What’s the difference between 23 and 1? If we’re talking about time, it’s 2. Hours of the day, days of […]

REINFORCE Algorithm explained in Policy-Gradient based methods with Python Code

17 mins read Policy gradients Policy gradients is a family of algorithms for solving reinforcement learning problems by directly optimizing the policy in […]