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The Math behind Skewness and Kurtosis in Qlik
Author: Igor Alcantara On October 15th, 2024, a user in Qlik Community (Martin) asked a very interesting question: what is the exact mathematical formula for Skewness and Kurtosis in Qlik? Check the original post here . Since that information is not available in Qlik Documentation , I decided to do some reverse engineering. My approach was to use a technology where I have the mathematical documentation about it, test it there, and compare it to the numbers I got in Qlik. Wha
Igor Alcantara
Oct 28, 20246 min read


Does Autism Make You Better at "Talking" to AI?
As someone on the autistic spectrum, I've always felt a certain kinship with technology and artificial intelligence. There's something about the structured, logical nature of machines and algorithms that just clicks with the way my brain is wired. I know my initials (Alcantara, Igor) are AI, but that does not explain at all how I feel about this. I find myself wondering - is there a connection between the unique thought processes of those on the autism spectrum and our appare
Igor Alcantara
Oct 21, 20244 min read


Qlik Answers: A Detective’s Guide to Extracting Text from Images
It was late. The rain tapped against my window like a typewriter stuck on one letter, and I was deep in the trenches of another case. This one? A real doozy. I had to teach Qlik Answers how to crack open images and pull out their secrets—text buried beneath poor resolution, bad angles, you name it. I'd cracked cases before. Excel files ? Easy. CSV? Child’s play. Audio, video ? Done. Even got Qlik Answers talking in code , switching between Python and R like a seasoned double
Igor Alcantara
Oct 21, 20245 min read
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