Category Archives: Data

The Defect Black Market

The Defect Black Market It all started a week before, when the CTO of Damon’s midsize warehousing and transportation company in Northern California announced an innovative program to motivate employees and boost the quality of their logistics software. For every … Continue reading

Posted in Data, Deming, IT, Management, quote, Respect, Software Development | Tagged , , , , , | 9 Comments

Software Supporting Processes Not the Other Way Around

Rental Car IT What was funny about that exercise were the looks we got from the no nonsense King of IT: “Of course, we want things to be simple and flexible — why are you bothering to tell us this?” … Continue reading

Posted in Data, IT, Lean thinking, Management, Software Development, Systems thinking | 10 Comments

Improvement Through Designed Experiments

The Rationale of Scientific Experimentation by John Dowd explains the value of designed experiments. Another difficulty in industrial experimentation is the existence of interactions. As has been stated, manufacturing processes are complex with many factors involved. In many processes these … Continue reading

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Prediction Markets with Google Employees

Another interesting experiment from Google: Using Prediction Markets to Track Information Flows: Evidence from Google In Google’s terminology, a market asks a question (e.g., “how many users will Gmail have?”) that has 2”5 possible mutually exclusive and completely exhaustive answers … Continue reading

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Stratification and Systemic Thinking

I am reading a fascinating book by Jessica Snyder Sachs: Good Germs, Bad Germs. From page 108: At New York Hospital, Eichenwald and infectious disease specialist Henry Shinefield conceived and developed a controversial program that entailed deliberately inoculating a newborn’s … Continue reading

Posted in Creativity, Data, Deming, Health care, Innovation, Management, Quality tools, Science, Statistics, Systems thinking | Tagged , , , , , , | 2 Comments

Bigger Impact: 15 to 18 mpg or 50 to 100 mpg?

This is a pretty counter-intuitive statement, I believe: You save more fuel switching from a 15 to 18 mpg car than switching from a 50 to 100 mpg car. But some simple math shows it is true. If you drive … Continue reading

Posted in Data, Psychology, Science, Statistics | 3 Comments

Fooled by Randomness

This is a nice article discussing how people are often fooled by thinking there must be special causes for patterns in random data. I still remember my father showing my classes these lessons when I was in grade school. Playing … Continue reading

Posted in Data, Management, Statistics, Systems thinking | 3 Comments

Search Share Data – Checking the ACSI

Last month, in a long post criticizing the ACSI I took issue with, among other things, the implications being drawn from an ACSI rating. The ACSI rating of Yahoo was higher than that of Google (though statistically insignificantly so). Anyway, … Continue reading

Posted in Data, Google, Statistics | 4 Comments

Hiring – Does College Matter?

Another essay by Paul Graham packed with great thoughts – this one on hiring, colleges, measuring performance of people, etc.. Practically everyone thinks that someone who went to MIT or Harvard or Stanford must be smart. Even people who hate … Continue reading

Posted in Data, Education, Management, Performance Appraisal, Psychology | Comments Off on Hiring – Does College Matter?

Data Visualization

Data is often displayed poorly, making it difficult to see what is important. When data is displayed well the important facts should leap off the page and into the viewers mind. Edward Tufte is an expert on this topic with … Continue reading

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