- Homepage
http://
-
Top 20 Data Visualization Tools
Every researcher or practitioner of quality (or pretty much any other subject, for that matter) needs a great toolbox packed with flexible visualization tools. I am very happy to see this list of “Top 20 Data Visualization Tools” that came out last week. For me, it’s like a TO DO list! Although I am THRILLED…
-
Text Analysis Tutorial on Spam Email in R
Hi everyone – I just wrote a tutorial on text analysis in R using the tm and wordcloud packages. It’s my annotated version of one of the exercises in Conway & White’s “Machine Learning for Hackers”, and uses their data sets. I wrote an annotated version because I thought some of my students might benefit from…
-
Normal Probability Plots (QQ Plots) in R
Here’s a tutorial on how to tell whether your data are (approximately) normally distributed! qq-plot-75-925
-
Blog Shui!
I’ve officially beautified and 5S-ed my blog today. Enjoy a NEW UPDATED SITE MAP too. Beautiful pictures courtesy of Doug Buckley at http://interactive.to – as usual. The picture here is one of Doug’s self portraits. If you are equally artistic, you will be able to see him in there.
-
There Is No Process Until It Is Observed
(Image Credit: Doug Buckley of http://hyperactive.to) I realized today that there’s a little bit of a quantum effect in quality management: There is no process until it is observed. Here’s what I mean. In the August 2012 issue of Quality Progress, Lynne Hare writes about how simple flow charts can be useful diagnostic tools. Just…
-
Quality Feels Like Being in Love
(Image credit: Doug Buckley of http://hyperactive.to) I love Paul Borawski’s August discussion topic on ASQ’s View from the Q. Among other questions, he asks: When you’re in a culture of quality, how does it feel? Or, how do you feel? At the moment I’m intrigued by feelings and think more organizations are turning their attention…
Quality and Innovation 