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The Aspiration-Crushing Algorithm

Imagine if…you were president of your university’s Future of Finance club, top in your Finance program and still couldn’t land a...

What To Do When Your Data Science Project Fails

ON TARGETWhat To Do When Your Project FailsDon’t panic — more often than not, it can be turned aroundPhoto by Shapelined...

How to Deploy Models at Scale with AI Platform

Photo by Marius Masalar on Unsplash edited by the author.Usually, when we all start learning Machine Learning, we find a ton of...

Understanding the link between PCA and Eigenvectors

In my former article, I’ve been introducing the concept of Principal...

Calculate The Economic Impact Of Your Click-Through Prediction

Beyond Accuracy, AUC or Lift: a model for measuring the Economic ImpactTimes...

How to Build Your First Python Package

Make your awesome code conveniently available to the world, because you’re awesome tooOriginal image by Vadim_P from PixabayAbout two years ago I published my very first data-science related blogpost. It was about...

Louvain Algorithm

An algorithm for community findingLouvain is an unsupervised algorithm (does not require the input of the number of communities nor their sizes before execution) divided in 2 phases: Modularity Optimization and...

Coronavirus Made Remote Work the New Normal

What it Takes to be Productive & Mentally Healthy while Working from HomePhoto by Grovemade on UnsplashThe debate over remote work has been smoldering for decades. Coronavirus, and the necessity of flattening the...

Good practices in AI projects

Best practices in AIWhat determines the success of machine learning projectsPhoto by Kevin Ku on UnsplashIn my previous article, I made an effort to identify risks that are specific to AI projects and describe...

Extracting headers and paragraphs from pdf using PyMuPDF

Animation by EnjoyanimationHere’s for something completely different: parsing a pdf documents and extracting the headers and paragraphs! There are various packages that extract text from pdf documents and convert it...

Predict NBA games, make money — machine learning project

Predict NBA games, make money — machine learning projectPast performance doesn’t indicate future performance… unless…we can get 136% returns….? 😉mfw my deep learning model compiles // made on...

Building Data Pipelines Without a Single Line of Code

An intelligent and intuitive way of exploring data with Google Cloud Dataprep.https://cloud.google.com/dataprepTired of writing tons of lines of python/java to build ETL pipelines or explore your datasets? Scared of...

What are Feature Stores and Why Are They Critical for Scaling Data Science?

A data science feature that everyone needs to be aware ofSource: ShutterstockWhat is a feature store?If data is the new gold (overused, but true nonetheless) I would say that features are actually the Gold bullion and...

The Walmart Data Scientist Interview

Walmart Data Science Interview QuestionsImage logo from WalmartWalmart Inc. is an American multinational retail corporation and the world’s biggest retailer with over 20,000 stores and clubs in over 28 countries...

Why we do machine learning engineering with YAML, not notebooks

Notebooks are great for designing models, not deploying them.Source: PexelsMost data scientists spend the majority of their working hours in a notebook. As a result, most production machine learning platforms prioritize...

Top 20 movies about Machine Learning, AI and Data Science.

MoviesHere are some AI and Big Data movies you should watch at home during the COVID-19 lockdown.Photo by Erik Witsoe on UnsplashMovies are more than just blockbusters hit with explosions and superpowers, it’s the...

New Hackathon for the New Normal

If nothing else, we’ve learned by way of pandemic both the strength of our Internet and how many tools are left to build. As developers, we are in an exciting position to set the standards of our new normal and lay...

Do we still need Traditional Machine Learning and Signal Processing in the Age of Deep Learning?

Do we still need Traditional Pattern Recognition Machine Learning and Signal Processing in the Age of Deep Learning?Signal Processing using an oscilloscope. Image: Source.Deep learning is one of the most successful...

A Complete Beginners Guide to Matrix Multiplication for Data Science with Python Numpy

Learn matrix multiplication for machine learning by following along with Python examplesLinear algebra is the basis of machine learning from logistic regressions to deep neural networks.If you’ve been doing data...

Feature selection? You are probably doing it wrong

… unless you are using this Python packageA fancy pic about cherry picking (copyright Shutterstock)I bet that, out there, 99% of feature-selection is carried out in a “SelectFromModel” mode (name coming from...

Fundamental Iterative Methods of Reinforcement Learning

How much reinforcement learning can you master by studying Value and Policy Iteration? A lot.This article focuses on taking an understanding of basic MDPs (reviewed here briefly) and applying it to how it relates to a...

How Pandemics Impact Financial Markets

Take cues from the pandemics in the past and quantitatively analyze the impact on financial markets. Visualize and analyze the data in Python.We are under an uncertain environment which is also reflected in the...

Quick and Easy Explanation of Logistics Regression

Quick and Easy Explanation of Logistic RegressionA simple explanation of Logistic Regression, why we need it, how to evaluate its performance and build a multi-class classification using Logistic Regression...

Techno-Drugs: Treating Mental Illnesses with Smartphones

Using Digital Biomarkers as a Predictor of Mental HealthMental Health and the Status QuoAnyone who has taken a basic psychology course has probably heard of the DSM (Diagnostic and Statistical Manual for Mental...

The Facebook Data Analyst Interview

Data analysts at Facebook work on many different teams and are extremely cross-functionalImage from FacebookTable of ContentsIntroductionThe Data Analyst RoleThe Interview ProcessSample Interview...