The making of… a Data Scientist

Advanced Level — The Fundamentals of Inferential Statistics with Point Estimators and Confidence Intervals Estimates

Advanced Level — Learning about Central Limit Theorem

Advanced Level — The Fundamentals of Inferential Statistics with Probability Distributions

Intermediate Level — The Fundamentals of Descriptive Statistics

Basic Level — The Fundamentals of Descriptive Statistics

These are the lesser known ways to classify a Machine Learning algorithm! In previous posts I’ve mentioned how to state your problem and…

Choosing Machine Learning algorithms

Question first then look for the answer… not the other way around! Before looking at the data it is important to understand which problem…

The other day I was watching one of Pedro Domingos’ lectures on Machine Learning, where he jokingly said “if you’re lazy and stupid come…

My sister was back in town for the weekend and decided to ask me about this buzzword she’s hearing more and more often. After starting…

Despite being around for some time only in the last 5–7 years has Deep Learning become a buzzword and an attractive field of studies…

In all Data Science datasets that I’ve dealt with this has been one of the main issues. So much features to use, but what is the optimal…

Have you ever been or seen a Kaggle competition? Most of the prize winners do it by using boosting algorithms. Why is AdaBoost, GBM, and…

I’ve start by talking about Decision Trees, then went on understanding what is Ensemble Learning. Now its time to mix the two and get lost…

Remember a few months ago when everyone was taking wild guesses at the color of the dress (blue or gold) or the tennis shoe (pink or grey)…

A very versatile decision support tool, capable of fitting complex algorithms, that can perform both classification and regression tasks…

This is one of the most questioned topics in Data Science interviews and one of the simplest methodologies to understand when starting to…

This is my approach on Analytics Vidhya Black Friday hackathon. Here you can find a complete step-by-step analysis on the issue as well as…

This is my approach on Kaggle’s House Prices challenge. Here you can find a complete step-by-step analysis on the issue as well as my…

Overfitting… you probably already heard this somewhere, right? It seems like your model is trying so hard to model your training data that…

If you’re like me and are always confusing what is Bias and Variance, check out this post for the enlightenment you’ve looking for!