Content by Harish Jose
Wed, 10/24/2018 - 12:02
I am writing today about “bootstrap kaizen.” This is something I have been thinking about for a while. Wikipedia describes bootstrapping as “a self-starting process that is supposed to proceed without external input.” The term was developed from a…
Tue, 10/02/2018 - 12:03
I am a quality manager by profession. Thus, I think about quality a lot. How would one define “quality?” A simple view of quality is “conformance to requirements.” This simplistic view of quality lacks the complexity that it should have. It assumes…
Mon, 08/27/2018 - 12:03
I came across an interesting phrase recently. I was reading Kozo Saito’s paper, “Hitozukuri and Monozukuri,” and I saw the phrase “kufu eyes.” Kufu is a Japanese word that means “to seek a way out of a dilemma.” This is very well explained in…
Mon, 07/02/2018 - 12:03
I have written about sample size calculations many times before. One of the most common questions a statistician is asked is, “How many samples do I need—is a sample size of 30 appropriate?” The appropriate answer to such a question is always, “It…
Wed, 05/09/2018 - 12:01
I have been writing about kaizen a lot recently. It is a simple idea: change for the better. Generally, kaizen stands for small incremental improvements. Here I’m going to look at what is the best kind of kaizen.
The twist in the dumpling
A few…
Mon, 03/12/2018 - 13:02
In today’s column, I will be looking at kaizen and kaikaku through the lens of the explore/exploit model. Kaizen is often translated from Japanese as “continuous improvement” or “change for better.” Kaikaku, another Japanese term, is translated as…
Thu, 02/01/2018 - 12:02
It’s not easy to find topics to write about, and even if I find good topics, it has to pass my threshold level. As I was meditating on this, I started to think about procrastination and ambiguity. So my column today is about the importance of “…
Thu, 12/14/2017 - 12:02
I recently read Jordan Ellenberg’s wonderful book, How Not To Be Wrong: The Power of Mathematical Thinking (Penguin Books, 2014). I found the book to be enlightening and a great read. Ellenberg has the rare combination of being knowledgeable and…
Mon, 10/30/2017 - 12:03
Today I will look at epistemology at the gemba. Epistemology is the part of philosophy that deals with the theory of knowledge. It tries to answer the questions, “How do we know things, and what are the limits of our knowledge?” I have been…
Wed, 08/23/2017 - 12:03
It’s been a while since I’ve written about statistics. So in this column, I will be looking at the rules of three and five. These are heuristics, or rules of thumb, that can help us out. They are associated with sample sizes.
Rule of three
Let’s…
