After a (too long) hiatus, DataFriday is back. The first episode of the new season was released last Friday, January 14, 2022. It focuses on defining Enterprise Architects and how they are perceived and what they really bring to the enterprise.
It’s painful how much data rules the world
Standing in front of the convention center, next to the statue of Sir Walter Raleigh. On September 15th, 2021, after more than 18 months, I was finally able to give…
Bringing vision to Apache Spark
Drsti (pronounced drishti) is an effortless data visualization that interfaces easily with Apache Spark
DataFriday: manipulating the schemas of Spark dataframes
A stretch… Data is organized by schemas, data is stored on disk (or memory), but nothing like a good old school disk. to illustrate data In this fifth episode of…
DataFriday: extracting metadata from photos
This Rolleiflex requires a physical piece of paper and pencil to store the photo’s metadata Following episode 3, where I talked about metadata in relational databases, this week, I am…
DataFriday: what is Metadata?
Metadata is like the foundation of your data In this episode, I will explain what is metadata, at least, some metadata, more specifically metadata on relational databases. It’s a quick…
DataFriday: basic ETL ops with Apache Spark
In this episode, you will learn about doing a basic ETL (extract, transform, and load) operation using Apache Spark. You will load a basic CSV file with Apache Spark, make…
How I built the perfect data science team
When I assembled my first data science team, the term was barely getting printed in the Harvard Business Review. I had no clue that I was building a team pioneering…
Eleven key elements of data science outcome
Before thinking about what is the outcome of data science, maybe I should take the two seconds I think it takes to define it. As how to define data science,…
(Almost) All you need to know about file ingestion in Apache Spark
As you may know, I start writing Apache Spark with Java (now renamed Spark in Action, 2nd edition). Usually, as the book develops, authors share a few excerpt of the book…