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Data-Science
Become a Pro at Pandas, Python’s data manipulation Library
Become a Pro at Pandas, Python’s data manipulation Library
The pandas library is the most popular data manipulation library for python. It provides an easy way to manipulate data through its…
Julien Kervizic
May 9, 2019
Overview of the different approaches to putting Machine Learning (ML) models in production
Overview of the different approaches to putting Machine Learning (ML) models in production
There are different approaches to putting models into productions, with benefits that can vary dependent on the specific use case. Take…
Julien Kervizic
Apr 29, 2019
The death of data-scientists
The death of data-scientists
If you thought your job was safe think again
Julien Kervizic
Jan 26, 2019
3 simple rules to build machine learning Models that add value
3 simple rules to build machine learning Models that add value
In any Machine Learning projects there are three simple rules to follow in order to properly add value: Focus on Business impact,…
Julien Kervizic
Dec 4, 2018
ON Coding K-Means in Vanilla Python
ON Coding K-Means in Vanilla Python
K-means is an algorithm to assign clusters to different points. One of its’ application is to provide an automated segmentation and…
Julien Kervizic
Nov 26, 2018
ON Applying K-means Personalization to a website
ON Applying K-means Personalization to a website
I have previously discussed the principles of E-commerce Personalization, within which K-means has been described as a way to provided…
Julien Kervizic
Nov 27, 2018
Should you do a Master (MSc) in Data Science Or Analytics?
Should you do a Master (MSc) in Data Science Or Analytics?
Master of Data Science and Analytics has become quite well implemented as part of universities’ curriculums. They are now over a thousand…
Julien Kervizic
Apr 15, 2022
Data Engineer Archetypes
Data Engineer Archetypes
An overview of the different profiles of Data Engineers
Julien Kervizic
Mar 19, 2022
Machine Learning in Production — How to Operate a Model factory
Machine Learning in Production — How to Operate a Model factory
How to leverage MLOps principles for more impactful machine learning initiatives
Julien Kervizic
Nov 30, 2021
Scaling with Pandas beyond the millions (of records)
Scaling with Pandas beyond the millions (of records)
Typically, Pandas find its' sweet spot in usage in low- to medium-sized datasets up to a few million rows. Beyond this…
Julien Kervizic
Nov 20, 2021
Hacking Analytics’ Compendium of Data News — December 2020
Hacking Analytics’ Compendium of Data News — December 2020
This month was quite active with news and release in the Data space, with two big conferences going on — Amazon’s re:Invent and Neurips…
Julien Kervizic
Dec 30, 2020
How much can you earn as a Data Science or Data Engineering Professional in Amsterdam?
How much can you earn as a Data Science or Data Engineering Professional in Amsterdam?
There are different estimate for Salaries available online, Glassdoor provides a general overview of salaries for Data Scientists…
Julien Kervizic
Dec 7, 2020
Hacking Analytics’ Compendium of Data News — November 2020
Hacking Analytics’ Compendium of Data News — November 2020
With everyone trying to get everything out of the door before the Holiday season, November was a busy month for the data world, Airflow…
Julien Kervizic
Nov 28, 2020
5 tips for aspiring and junior data engineers
5 tips for aspiring and junior data engineers
Five tips to help you navigate your early career as a data engineer
Julien Kervizic
Oct 6, 2020
The versatility of ROW_NUMBER, one of SQL’s greatest function
The versatility of ROW_NUMBER, one of SQL’s greatest function
Understanding how to leverage one of the most useful window function in SQL’s toolbox
Julien Kervizic
Sep 7, 2020
How to Ace The K-Means Algorithm Interview Questions
How to Ace The K-Means Algorithm Interview Questions
KMeans is one of the most common and important clustering algorithms to know for a data scientist. It is, however, often the case that…
Julien Kervizic
Aug 12, 2020
Effective approaches to dealing with tracking time spent on content and webpages
Effective approaches to dealing with tracking time spent on content and webpages
How to handle the difficulty in leveraging and tracking time
Julien Kervizic
Jul 5, 2020
Modern Machine Learning Tooling
Modern Machine Learning Tooling
The increasing need to have machine learning in production, the need for automation and the right to explanation pushes for an evolution …
Julien Kervizic
Jun 10, 2020
How to Learn Data science from scratch
How to Learn Data science from scratch
Someone asked me recently how he could get the knowledge and the skills necessary to become a Data Scientist. There are different ways to…
Julien Kervizic
Jun 7, 2020
Challenges moving data science proof of concepts (POCs) to production
Challenges moving data science proof of concepts (POCs) to production
Many companies want to be able to leverage the power of data and look to invest in data science proof of concepts as a way to tiptoe into…
Julien Kervizic
Jun 1, 2020
R vs. Python, a comprehensive guide for data professionals
R vs. Python, a comprehensive guide for data professionals
I often get asked which of R or Python, one should use or learn as analytics or data science professional. My recommendation is usually…
Julien Kervizic
Feb 16, 2020
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