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Justin Fernandez
Justin Fernandez

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Published in MLearning.ai

·Feb 25, 2021

The Glory of XGBoost

There are so many machine learning algorithms out there, how do you choose the best one for your problem? This question is going to have a different response based on the application and the data. Is it classification, regression, supervised, unsupervised, natural language processing, time series? There are so many…

Xgboost

4 min read

The Glory of XGBoost
The Glory of XGBoost
Xgboost

4 min read


Feb 18, 2021

The Power of Words, Natural Language Processing

Let’s say that you in reading through the sports section of your favorite newspaper or online publication and you come upon a strange article focused on a sunflower farmer in Arizona. This article has nothing to do with sports, so how could it have ended up in this section? You…

NLP

6 min read

NLP

6 min read


Feb 11, 2021

The Bias-Variance Tradeoff

If you are going to study data science, data analysis, machine learning, or any other discipline that builds models to make predictions on data, you are going to stumble upon the term “Bias-Variance Tradeoff”. Basically, it describes the tradeoff of a model learning “too much” or “too little” in the…

Data Science

8 min read

The Bias-Variance Tradeoff
The Bias-Variance Tradeoff
Data Science

8 min read


Published in The Startup

·Feb 1, 2021

What Is a Neural Network and How Does It “Learn”?

As humans with extremely complex brains, we make extremely complex decisions in a fraction of a second without even recognizing the process that happens behind that decision making. Simple things like reading your own handwriting may seem mundane but the amount of knowledge and processing power done by your…

Neural Networks

5 min read

What Is a Neural Network and How Does It “Learn”?
What Is a Neural Network and How Does It “Learn”?
Neural Networks

5 min read


Nov 19, 2020

Algorithm Time Complexity

When writing code it can seem inconsequential to add another if-else statement or loop because most of the code we write can terminate in seconds if not less. This is true for smaller projects that will be unused after their initial use. On a larger scale, certain code can be…

Time Complexity

5 min read

Algorithm Time Complexity
Algorithm Time Complexity
Time Complexity

5 min read


Nov 6, 2020

Using Data Science to Win Fantasy Football (Part 1)

What if I told you that you didn’t need to pray to the fantasy gods in order to win your league? This may seem impossible but with the power of data science we can determine the players most likely to score the most points. The way that this can…

Data Science

5 min read

Using Data Science to Win Fantasy Football (Part 1)
Using Data Science to Win Fantasy Football (Part 1)
Data Science

5 min read


Oct 21, 2020

Feature Selection For Machine Learning

In order to have a prediction on an occurrence of an event or an outcome of that event, one needs data or knowledge on the domain of the event. If one does not have this information, a prediction or guess on any event will be completely…

Machine Learning

5 min read

Feature Selection For Machine Learning
Feature Selection For Machine Learning
Machine Learning

5 min read


Oct 8, 2020

I want to code, where do I start? (Mac Edition)

So you want to enter the mysterious and wonderful world of coding. You want to enjoy the ability to create anything you can think of with the click of a few buttons. Maybe hack your way into any source of information to gain insight on what the government…

Learn To Code

7 min read

I want to code, where do I start? (Mac Edition)
I want to code, where do I start? (Mac Edition)
Learn To Code

7 min read

Justin Fernandez

Justin Fernandez

27 Followers

Soon to be data scientist! I also love shoes and my dogs!

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