522 search results for "Register"

Great Resource for Teaching Statistics with R

April 26, 2014
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Great Resource for Teaching Statistics with R

If you're having trouble teaching statistics using R, then you'll just love the statsTeachR collaboration. It's being launched officially at the 2014 New England Statistics Symposium today. Here's what it's about: "statsTeachR is an open-access, online repository of modular lesson plans, a.k.a. "modules", for teaching statistics using R at the undergraduate and graduate level. Each module focuses on teaching a...

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Why are R users so damn Stingy?!

April 26, 2014
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Why are R users so damn Stingy?!

YES R!Looking at rapporter's recent blog post on "R activity Around the World", I am shocked by how few users actually monetarily support the R Foundation.  Looking at the US for instance there are only 27 donars representing a little more than 0....

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Preventing escaping in HTML

April 24, 2014
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Preventing escaping in HTML Preventing escaping in HTML library(xtable) ## ## Attaching package: 'xtable'## ## The following objects are masked from 'package:Hmisc':## ## label, label<- library(stringr)library(whisker) Problem statementBeing a novice in R language, the problem I faced maight be a novice one,...

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Set Up Shiny-server on www.digitalocean.com

April 23, 2014
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Set Up Shiny-server on www.digitalocean.com

RStudio supplies several servers for hosting user’s apps, e.g. http://www.shinyapps.io/, http://spark.rstudio.com, http://glimmer.rstudio.com. Thanks a lot to RStudio who has contributed many excellent R libraries! I want to set my shiny-server on a virtual private server (VPS), because I have some other tasks and I feel a VPS is more stable than the PC under my desk.

Mythbusting – Dr. Copper

April 21, 2014
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Mythbusting – Dr. Copper

Image by Justin Reznick   “An economist is an expert who will know tomorrow why the things he predicted yesterday didn't happen today.” Laurence J. Peter (author and creator of the Peter Principle) If you were paying attention to financial sites last month, you probably noticed a number of articles on “Dr. Copper”. Here is

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High incidence in Measles Data in Project Tycho

April 21, 2014
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High incidence in Measles Data in Project Tycho

In this third post on Measles data I want to have a look at some high incidence occasions. As described before, the data is from Project Tycho, which contains data from all weekly notifiable disease reports for the United States dating back to 1888. These data are freely available to anybody...

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Vectorization in R: Why?

April 16, 2014
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Here are my notes from a recent talk I gave on vectorization at a Davis R Users’ Group meeting. Thanks to Vince Buffalo, John Myles White, and Hadley Wickham for their input as I was preparing this. Feedback welcome! Beginning R users are often told to “vectorize” their code. Here, I try to explain...

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Investigating the relationship between gold and bitcoin prices with R.

April 15, 2014
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Investigating the relationship between gold and bitcoin prices with R.

Image by Ennio Pozzetti   In this post I will explore some of the movements in markets in recent years, these movements have caught many by surprise resulting in some people unexpectedly striking it rich while others have lost a great deal. I am no financial advisor, nor do I have a background in financial

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Regular expressions in R vs RStudio

April 14, 2014
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Regular expressions in R vs RStudio

The 'regex' family of languages and commands is used for manipulating text strings. More specifically, regular expressions are typically used for finding specific patterns of characters and replacing them with others. These technique have a range of applications and R's base installation has powerful regex tools (not to mention add-on packages for string manipulation such as stringr). Yet regex in R is cause of...

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Regular expressions in R vs RStudio

April 14, 2014
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Regular expressions in R vs RStudio

The 'regex' family of languages and commands is used for manipulating text strings. More specifically, regular expressions are typically used for finding specific patterns of characters and replacing them with others. These technique have a range of applications and R's base installation has powerful regex tools (not to mention add-on packages for string manipulation such as stringr). Yet regex in R is cause of...

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