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Antoine Ghilissen
Antoine Ghilissen

12 Followers

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Published in The Startup

·Jan 12, 2021

Feature Engineering for Large Datasets

A Few Tips — It is estimated that in 2025, 175 trillions of gigabytes of data will be created (that is for the year 2025 only! source). …

Feature Engineering

5 min read

Feature Engineering for Large Datasets
Feature Engineering for Large Datasets
Feature Engineering

5 min read


Jan 6, 2021

Follow Your Gut!

But not this time… — I only recently learnt how to code in Python. Or should I say to code at all? I still consider myself a Python newbie, and I even doubt I will ever fully master it when I see how many things I learn every time I code. …

Python

5 min read

Python Fooleries
Python Fooleries
Python

5 min read


Dec 30, 2020

Data Analysis with Pandas

From A to Z — 0 — The Data import numpy as np import pandas as pd import seaborn as sns df = sns.load_dataset('tips') df

Pandas

8 min read

Pandas From A to Z
Pandas From A to Z
Pandas

8 min read


Dec 23, 2020

Distance as Metrics

No Pun Intended — In Machine Learning, being able to calculate distances is essential in a lot of cases. The most obvious use for it is when dealing with spatial data, but it also is one of the easiest ways to assess membership/similarity in supervised and unsupervised techniques. …

Python

6 min read

Distance Metrics
Distance Metrics
Python

6 min read


Dec 16, 2020

Hypothesis Testing Applied to A/B Testing

There is a lot of decisions to make during an A/B test; most of them are made during the conception stage. In this article, I am going to focus on the steps following the data collection stage. …

6 min read

Interpretation of A/B Test Results
Interpretation of A/B Test Results

6 min read


Dec 9, 2020

Getting More Out of Your Jupyter Notebooks

iPython flavoured — Jupyter notebooks are incredibly powerful to develop ideas quickly, then share them if need be. The notebooks run in a web browser, and support many languages out of the box (Jupyter actually stands for Julia, Python and R, when it does not refer to Galileo’s notebook). You can dynamically code…

Jupyter

5 min read

Getting More Out of Your Jupyter Notebooks
Getting More Out of Your Jupyter Notebooks
Jupyter

5 min read


Dec 2, 2020

Speed Up Your Git Workflow

Git is a lot of things. But one of the things I like the most about it is that it can be so painful to use, it is funny (as long as I am not the victim). From the classic XKCD comic to the Git Koans, I find those very…

Git

4 min read

An Easier Life With Git
An Easier Life With Git
Git

4 min read


Nov 24, 2020

Geopandas: Accessible, Yet Powerful GIS With Python

You are here! — Recently, I have been doing a lot more work on data that have a spatial meaning. Lucky for me, I have always been interested in GIS and, in my professional life, I have used a lot of GIS packages such as ArcGIS, MapInfo, and qGIS. …

Python

6 min read

Geopandas: Accessible, Yet Powerful GIS Using Python
Geopandas: Accessible, Yet Powerful GIS Using Python
Python

6 min read


Nov 18, 2020

Sampling

Focussing your efforts to understand the bigger picture — Imagine you want to know which candidate will win the next election. Ideally, you conduct a census, and you ask every single person in the country up to two questions: Will you vote next elections? And if the answer is yes: Who are you voting for? You expect some people…

6 min read

Sampling Methods
Sampling Methods

6 min read


Nov 11, 2020

Recursive Functions in Python

Recursive Functions in Python — You might not realise this, but recursions are very common. A lot of well-known acronyms are recursive, for example: Do you know what VISA (as in the VISA card in your wallet) stands for? It is the acronym for “Visa International Service Association”. Maybe you are familiar with YAML files…

3 min read

Recursive Functions in Python
Recursive Functions in Python

3 min read

Antoine Ghilissen

Antoine Ghilissen

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Data Scientist

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