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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
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
Master Data Management, how to match and merge records to unify your data
Master Data Management, how to match and merge records to unify you...
At the heart of most data governance projects, lies the concept of MDM — Master Data Management — which aims at creating single source…
Julien Kervizic
Dec 1, 2019
Speeding up your Python data pipelines with Cython and Nim
Speeding up your Python data pipelines with Cython and Nim
How Cython or Nim can help you get more from Python and achieve better performance
Julien Kervizic
Dec 3, 2021
The lost Art of Data Modeling
The lost Art of Data Modeling
Data Modeling seems to have become a lost art amongst data engineers. What was once the primal part of the job of a data engineer seems to…
Julien Kervizic
Jun 23, 2021
Data-Engineeering
Taming the Kaniko beast
Taming the Kaniko beast
Kaniko brings about a lightweight way to build container images on Kubernetes— it may need however some taming before becoming usable.
Julien Kervizic
May 28, 2022
Data Engineer Archetypes
Data Engineer Archetypes
An overview of the different profiles of Data Engineers
Julien Kervizic
Mar 19, 2022
Files formats for Data Engineers — (Part 1) — Standards Data Formats
Files formats for Data Engineers — (Part 1) — Standards Data Formats
Data Engineers need to understand the different files format they need to read from and write to, as well as the limitations and pitfalls…
Julien Kervizic
Feb 26, 2022
Data Science
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
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
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