Salai Hang

Clustering, classifying and mining free-text feedback in a 142-employee dataset to find what actually drives satisfaction.

Analysed 15,000+ films to test whether French-language content could support a niche streaming strategy — runtime, ratings and genre range.

Trained a Random Forest on 3,240 production batches to find what actually predicts a QC defect flag — 95.1% accuracy, with maintenance hours as the surprise top signal.

Tested channel vs. campaign type across 8,000 customers — campaign type carries the real ~8pt conversion gap, channel barely moves it.

A 2015 US domestic flight-delay analysis — data cleaned in Excel, visualised and published as an interactive Tableau Public dashboard.

My own web design, SEO and digital growth consultancy — built for trades, small businesses, churches and non-profits.

Full-stack church website built end-to-end — front-end design, back-end functionality and deployment.

Site for a Perth fire protection and compliance company — detection systems, testing, maintenance and emergency planning.

Dark, gallery-first theme for a Perth photography studio covering portraits, weddings, fashion and commercial work.

Site for an audio mixing, mastering and church AV consulting practice — where the web and audio work meet.

A free, self-built 12-week SQL course with a live in-browser editor and auto-graded exercises.