'Big Fat Fix' Film Challenges Mediterranean Diet

'Big Fat Fix' Film Challenges Mediterranean Diet
An Interview With Cardiologist Aseem Malhotra
Editor's Note:  Cardiologist Aseem Malhotra, MBChB, MRCP, talks about his new documentary The Big Fat Fix, which sent him to Pioppi, Italy, the village where Ancel Keys researched diet and cardiovascular health. A regular contributor to the BMJ and major UK newspapers on the topic of dietary health, Dr Malhotra believes that the demonization of fat let sugar off the hook as the real culprit in the diabetes, obesity, and cardiovascular disease epidemic, and that we need to rethink our approach to exercise. ... Full Text.


This article is an another interesting opinion based on facts and viewed from a different angle. This interview reminds me the Michael Pollan's book In Defense of Food published in 2008: Food – Not Nutrients – Is The Fundamental Unit In Nutrition. (PBS Documentary In Defense of Food in Dec. 2015, PBS Newshour and on YouTube).
Food Insight (2015). 4 Food Rules You Won’t Find in Michael Pollan’s ‘In Defense of Food’

Microbiome: Fibre for the future

Microbiome: Fibre for the future
Nautre: Eric Martens
A chronic lack of dietary fibre has been found to reduce the diversity of bacteria in the guts of mice. This effect is not fully reversed when fibre is reintroduced, and increases in severity over multiple generations. ... Full text

Battle of the data science Venn Diagrams

Battle of the Data Science Venn Diagrams
by David Taylor    

Data science is a rather fuzzily defined field; some of the definitions I've heard are:

• "Work that takes more programming skills than most statisticians have, and more statistics skills than a programmer has."
• "Applied statistics, but in San Francisco."
• "The field of people who decide to print 'Data Scientist' on their business cards and get a salary bump."

Personally, I've recently decided to avoid the controversy by calling myself a data spelunker. (Data miners are out of vogue anyway.)
As a field in search of a definition, it's unsurprising that you can find a lot of different attempts to define it.
As a field full of data nerds with a penchant for visualization, it's also unsurprising that a lot of them use Venn diagrams. (Fun fact: John Venn, who invented the eponymous diagrams, and his son filed a patent in 1909 for an lawn bowling machine.)... Full Text

Stata: Get out-of-sample file predictions

Stata: Get out-of-sample file predictions
Example:
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          regress mpg weight foreign

     est store regxb

     

     preserve

       webuse newautos,clear

       est restore regxb

       predict mpg

       list

     restore