Feature Selection and Dimensionality Reduction Using Covariance Matrix Plot
Author(s): Benjamin Obi Tayo Ph.D. Originally published on Towards AI. 1. Import Necessary Libraries Top highlight This article will discuss how the covariance matrix plot can be used for feature selection and dimensionality reduction. A machine learning algorithm (such as classification, clustering …
Using a CNN to Classify Age Groups
Author(s): Atiar Rahman Originally published on Towards AI. Diving Into my First Convolutional Neural Network U+007C Towards AI Having recently learned about convolutional neural networks, I wanted to build my own. Initially, I wanted to be able to get a personβs age …
Choose the Right Featured Image For Your Data Science Articles
Author(s): Benjamin Obi Tayo Ph.D. Originally published on Towards AI. Choosing the right featured image plays a key role in whether your article gets selected and recommended by Mediumβs curators to topics. This article will discuss some suggestions on how to choose …
A Quick Guide to Gradient Descent and its Variants
Author(s): Riccardo Di Sipio Originally published on Towards AI. And if you do not know where to start from, optimize the learning rate In machine learning, one deals with some mathematical model z = F(x,ΞΈ) which is a function of some input …
Model-Based Meta Reinforcement Learning
Author(s): Sherwin Chen Originally published on Towards AI. Dive into a model-based meta-RL algorithm that enables fast adaptation Image by mrthoif0 from Pixabay Much ink has been spilled on with model-free meta-RL in the previous article. In this article, we present a …
10 Questions to Consider Before Pursuing a Career in Data Science
Author(s): Benjamin Obi Tayo Ph.D. Originally published on Towards AI. Analyzing several parameters & conditions before jumping into Data Science career Top highlight Authors: Benjamin O. Tayo and Gideon Takor Benjamin O. Tayo LinkedIn Profile: https://www.linkedin.com/in/benjamin-o-tayo-ph-d-a2717511/ Gideon Takor LinkedIn Profile: https://www.linkedin.com/in/gideon-takor-mba-28835820/ Data …
A Basic Perceptron Model Using Least Squares Method
Author(s): Benjamin Obi Tayo Ph.D. Originally published on Towards AI. Just like the billions of neurons that make up the human nervous system, the perceptron is the basic unit of artificial intelligence. Every thought, action, emotion or decision that we make reflect …
A Robustly Optimized BERT Pretraining Approach
Author(s): Edward Ma Originally published on Towards AI. What is BERT? Top highlight BERT (Devlin et al., 2018) is a method of pre-training language representations, meaning that we train a general-purpose βlanguage understandingβ model on a large text corpus (like Wikipedia), and …
Two Ways to Learn Audio Embeddings
Author(s): Edward Ma Originally published on Towards AI. Speech2Vec with Skip-gram and CBOW Photo by Γlvaro Bernal on Unsplash Mel-frequency cepstral coefficients (MFCC), zero-crossing rate are some of classical feature for audio. It can be extracted via the library easily. However, it …
1000 Books Every CS Major Should Read
Author(s): Jag Singh Originally published on Towards AI. Most computer science and engineering majors have far too much reading on their plate to consider any outside reading of their own. If youβre not reading textbooks or documentation, then youβre probably reading Stack …
AI Schools β The Schools of the Future
Author(s): Ryan Lynch Originally published on Towards AI. The Schools of the Future, AI Schools U+007C Towards AI Technology is becoming a bigger part of our lives every day. Imagine driving to a new place without your sat-nav, ordering a takeaway without …
Text Mining in Python: Steps and Examples
Author(s): Dhilip Subramanian In todayβs scenario, one way of peopleβs success is identified by how they are communicating and sharing information with others. Thatβs where the concepts of language come into the picture. However, there are many languages in the world. Each …
Data Scientist Interview Process β A Personal Experience
Author(s): Benjamin Obi Tayo Ph.D. Originally published on Towards AI. Discussion about different stages of the interview process for a typical Data Scientist role Image Source: Forbes Are you a data scientist aspirant? Are you currently applying for data scientist positions? Do …
The Confusion Matrix for Classification
Author(s): Lawrence Alaso Krukrubo Originally published on Towards AI. Diving Into Confusion Matrix for Classification U+007C Towards AI Understanding Accuracy, Recall, Precision, ROC, AUC and F1-score Confused about The Confusion Matrix? The Confusion-matrix yields the most ideal suite of metrics for evaluating …
Beginnerβs Guide to Writing Data Science Blogs on Medium
Author(s): Benjamin Obi Tayo Ph.D. Originally published on Towards AI. Are you new on Medium? Are you interested in writing data science articles and publishing these on Medium? This article will discuss the stages involved in writing a good data science article …