googleVis — NASA’s exploration of Mars

August 29, 2012 | Tony

After generating a few interactive charts with googleVis, I realized that it’s a great way to visualize numeric data, especially multi-dimentional data. Days ago, my colleague sent me a picture taken by Curiosity from Mars. He was crazy about it … Continue reading → [Read more...]

London 2012 Olympics — Medals vs GDP and population

August 25, 2012 | Tony

It’s already midnight. I’m sitting near my bed. And before going to bed, I’ll type my last post on London 2012 Olympics. Olympic games are not only individual competitions, but also the reflections of countries’ strength. This is one reason why Olympics data … Continue reading → [Read more...]

London 2012 Olympics — Men and Women 400-metre medley

August 23, 2012 | Tony

Alan brought up the suspicion to Ye’s world record in women 400 metres individual medley. And I quote: “Her last split caused controversy (deep suspicion of doping) as she swam it faster than the fastest male swimmer. I wonder how commonly this … Continue reading → [Read more...]

London 2012 Olympics — world record in women 400-metre medley

August 22, 2012 | Tony

I’ve been going through the medal statistics in London 2012 Olympics recently. I was planning to present some extra charts, such as medal-per-milli-population or medal-vs-GDP. However, it’s a little boring to present the same kind of charts. Thus, I’d like to look into some particular … Continue reading → [Read more...]

London 2012 Olympics — Medals per event

August 21, 2012 | Tony

It’s almost midnight. Before I go sleeping, I’d like to post the chart about ”medals per event” on 2012 Olympics. As some visitors suggested, I searched for the competition information for each athlete. Finally, thankful to the mighty Guardian datablog, I find the … Continue reading → [Read more...]

London 2012 Olympics — Medals per hundred players

August 19, 2012 | Tony

It’s the weekend. I just woke up from a nap. Got my mind freshed. I’d like to continue with my digging into the Olympics medal results. Today, I cited the number of participants from each country (see wikipedia). I want to see how … Continue reading → [Read more...]

London 2012 Olympics — Lead, tin and zinc

August 17, 2012 | Tony

Folks at WSJ were funny. They gave another medal list of London 2012 Olympic Games, not for the first place but for the last place. They replaced Gold, Silver and Bronze with  Lead, Tin and Zinc. No matter who came up to this idea, it’s … Continue reading → [Read more...]

London 2012 Olympics — medal statistics

August 14, 2012 | Tony

The 2012 Olympic Games officially ended this Sunday in London. Although I missed most of the games, I was still entertaining myself with some hilarious news, such as Thomas’s re-diving. So much fun. I would remember this for years :) Games ended. … Continue reading → [Read more...]

googleVis — where did SYTYCD dancers come from?

July 21, 2012 | Tony

After watching 20 wonderful dancers of the 9th season of So You Think You Can Dance, I have presented a geomap of  the states where they are coming from (click here). Now, I am interested to this show’s history.  I’d like to re-draw the … Continue reading → [Read more...]

leaf area measuring — R package “EBImage”

July 9, 2012 | Tony

Besides microscopic images in our routine, common photos are frequently taken to measure quantitative plant features, such as leaf area, root length, branch numbers, etc. Scientific software is available for manual processing. For example, to measure the root length, one need to use the … Continue reading → [Read more...]

automated cell phenotyping — R package “EBImage”

July 5, 2012 | Tony

Counting cells under microscope is always laborious and null. Those in the art would be relieved with assistance of a powerful image processing package, EBImage. Images are treated as “Image” objects, essentially multi-dimensional arrays. The class “Image” contains spatial information, pixel … Continue reading → [Read more...]

SYTYCD — where are these terrific dancers come from?

June 29, 2012 | Tony

It’s Saturday midnight and I’m already sleepy. However, after several hours, I finally got this google geographic map embedded in my post. Aha!!! This is about 20 finalists from the 9th season of So You Think You Can Dance. I count the states … Continue reading → [Read more...]

google R style guide

June 19, 2012 | Tony

After writing several hundreds of lines of R codes, I start to pay some attention to my coding style. Fortunately, I find a document about R style guide in google code. Surprisingly, R is among the most popular programming languages, such as C++, objective-C, python, java and html. I didn’... [Read more...]

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