So here I am again, wanting to write something. My head and hands feel so numb lately for keeping so many things in my head, unorganised. Do you know what happen when you keep too many things in your drawer, unorganised? You'll find it hard to try to pull something out of it. You even forget that you've...

Just few months after I (re-)joined the Data Team in TVLK, I learned a new concept called Causal Impact. It's the concept used by statisticians or analysts from various domains to understand the impact of an event or action (i.e. intervention) to the outcome they're interested in. Why is this important in various domains, even in business? It's...