50 years of data science

Is “Data Analysis”  science? Is “Data Science” new?  To find answers for the two questions, please read the article by Professor David Donoho from Stanford University at http://courses.csail.mit.edu/18.337/2015/docs/50YearsDataScience.pdf.


Tap Water vs Bottled Water

Most people would think that bottled water is better than tap water and I do think this way too. My husband bought two big packages of bottled water every week just because we thought bottled water is much better than tap water. But this morning I heard from radio that bottled water is nothing but unfiltered tap water with less testings and 1000 more expensive. Is it true?

I went online and found that the finding is not new. Here is what I found: Believe or not, it is well researched that filtered tap water is better than bottled water. Why do we spend more on bottled water anymore?  Please read:

water. http://yourwaterfilterguide.com/bottled-water-vs-tap/

Dr. Lianfen Qian

Dr. Lianfen Qian received her Ph.D. in Statistics from Michigan State University in 1996. She has more than thirty years of teaching and consulting experience in statistics and data learning since 1984.

Stat 101

In this big data age, everyone is required to have some data sense. Statistics as a science of data, becomes more and more important nowadays. Harvard’s Statistics 101 is a good starting point.

Dr. Qingchuan Yao

Dr. Qingchuan Yao received his Ph.D. in Mathematics from Michigan State University in 1997. He is an excellent teacher of mathematics and has rich experience in software engineering. He received many excellent teaching awards when he was an teaching asstistant at Michigan State University. For more details, please visit https://www.linkedin.com/in/qingchuanyao

qingchuan yao

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