Principal components analysis (PCA): jobs, industries and a business idea
A maths trick to squeeze many related columns into a few new ones that keep most of the information.
In job ads, it's called
Roles that use it: Data Scientist, Quantitative Analyst, ML Engineer, Research Scientist.
See live openings right now:
Industries that need it
Tools used at work: Python (scikit-learn, numpy), R, MATLAB.
Your mother tongue is a skill
AI companies pay native speakers to label, clean and check data in Telugu, Tamil, Hindi and other Indian languages. That is the same data cleaning and classification you study in this subject, done in your mother tongue. Remote, part-time contract work is common.
Build a business from it
Analysis support for college research labs and PhD scholars.
Prove it this weekend
Run PCA on student marks across subjects and find the two hidden "skills" that explain most of them.
Put it on your own website (make one free with our website tool) and share the link in your applications.
We never promise jobs or income. Pay depends on skills, city and company, so check live listings. Never pay anyone to apply for a job.