Articles I've written here and on other sites, newest first.
Short lessons on fMRI for data engineers and scientists: how the scanner sees blood oxygen, what the data shows, and how to model it.
Why scalp EEG sees millions of neurons working in step, not single cells. Learn about postsynaptic currents, pyramidal neurons, dipoles and synchrony.
Short lessons on EEG for data engineers and scientists: how brain signals are made and recorded, what they show, and how to model them.
EEG records the brain's electrical activity from the scalp, in milliseconds. What it measures, what it misses, and how it compares with MRI, MEG and PET.
Diwali wishes from Prakash in Hindi, English, Sanskrit and Japanese. May the light of the diyas bring you health, happiness and prosperity.
How a hand-coded 2020 Flask site on a deprecated runtime became a secure, tested site with sign-in, games and a Family Tree: the steps, tech stack, architecture, and where AI helped versus manual work.
This presentation provides an introduction Data, Data Science & Processing use cases followed by Introduction to Apache Spark, its architecture, and real-world application showing IOT implementation. It is designed as a teaching and reference resource for students, engineers, and researchers in distributed computing and data engineering.
Installing Hadoop 3.2.1 on Windows 10 using the Ubuntu app.
Configuring Hive 3.2.1 on top of Hadoop on Windows 10.