Blog Archives

A Letter of Recommendation for Nan Xiao

November 18, 2014
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A Letter of Recommendation for Nan Xiao

I hope my letter could boost this guy up like: I'm not sure if I'm a good observer, but time and time again I feel some people are undervalued, or they were not given better opportunities to show their value. Not surprisingly, I know quite...

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A Few Notes on UseR! 2014

July 26, 2014
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A Few Notes on UseR! 2014

It has been a month since the UseR! 2014 conference, and I'm probably the last one who writes about it. UseR! is my favorite conference because it is technical and not too big. I have completely lost interest in big and broad conferences like JSM (...

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library() vs require() in R

July 26, 2014
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library() vs require() in R

While I was sitting in a conference room at UseR! 2014, I started counting the number of times that require() was used in the presentations, and would rant about it after I counted to ten. With drums rolling, David won this little award (sorry, I did n...

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Markdown or LaTeX?

October 19, 2013
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Markdown or LaTeX?

What happens if you ask for too much power from Markdown? R Markdown is one of the document formats that knitr supports, and it is probably the most popular one. I have been asked many times about the choice between Markdown and LaTeX, so I think ...

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Testing R Packages

September 30, 2013
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This guy th3james claimed Testing Code Is Simple, and I agree. In the R world, this is not anything new. As far as I can see, there are three schools of R users with different testing techniques: tests are put under package/tests/, and a foo-test.Rou...

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After Three Months I Cannot Reproduce My Own Book

September 5, 2013
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After Three Months I Cannot Reproduce My Own Book

I thought I could easily jump to a high standard (reproducibility), but I failed. Some of you may have noticed that the knitr book is finally out. Amazon is offering a good price at the moment, so if you are interested, you'd better hurry up. I a...

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After Three Months I Cannot Reproduce My Own Book

September 5, 2013
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After Three Months I Cannot Reproduce My Own Book

I thought I could easily jump to a high standard (reproducibility), but I failed. Some of you may have noticed that the knitr book is finally out. Amazon is offering a good price at the moment, so if you are interested, you'd better hurry up...

Read more »

My first Bioconductor conference (2013)

July 21, 2013
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My first Bioconductor conference (2013)

The BioC 2013 conference was held from July 17 to 19. I attended this conference for my first time, mainly because I'm working at the Fred Hutchinson Cancer Research Center this summer, and the conference venue was just downstairs! No flights, no h...

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R Package Versioning

June 27, 2013
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R Package Versioning

This should be what it feels like to bump the major version of your software: For me, the main reason for package versioning is to indicate the (slight or significant) differences among different versions of the same package, otherwise we can keep o...

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You Do Not Need to Tell Me I Have A Typo in My Documentation

June 10, 2013
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You Do Not Need to Tell Me I Have A Typo in My Documentation

So I just got yet yet another comment saying "you have a typo in your documentation". While I do appreciate these kind reminders, I think it might be a good exercise for those who want to try GIT and Github pull requests, which make it poss...

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