Monthly Archives: February 2015

How to learn R: A flow chart

February 23, 2015
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How to learn R: A flow chart

I often find myself giving people suggestions about how to learn R, so I decided to put together a flow chart. This is geared toward typical psychology or cognitive science researchers planning to do basic data analysis in R. This is how to get started...

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Make prettier documents by reusing chunks in RMarkdown

February 23, 2015
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Make prettier documents by reusing chunks in RMarkdown

No revelations here, just a little R tip for generating more readable documents. There are times when I want to show code in a document, but I don’t want it to be the first thing that people see. What I want to see first is the output from that code. In this silly example, I

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RStudio v0.99 Preview: Vim Mode Improvements

February 23, 2015
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RStudio v0.99 Preview: Vim Mode Improvements

RStudio’s code editor includes a set of lightweight Vim key bindings. You can turn these on in Tools | Global Options | Code | Editing: For those not familiar, Vim is a popular text editor built to enable efficient text editing. It can take some practice and dedication to master Vim style editing but those who have

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RStudio v0.99 Preview: Code Completion

February 23, 2015
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RStudio v0.99 Preview: Code Completion

We’re busy at work on the next version of RStudio (v0.99) and this week will be blogging about some of the noteworthy new features. If you want to try out any of the new features now you can do so by downloading the RStudio Preview Release. The first feature to highlight is a fully revamped implementation of

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Resources for Learning Data Manipulation in R, SAS and Microsoft Excel

Resources for Learning Data Manipulation in R, SAS and Microsoft Excel

I had the great pleasure of speaking to the Department of Statistics and Actuarial Science at Simon Fraser University on last Friday to share my career advice with its students and professors.  I emphasized the importance of learning skills in data manipulation during my presentation, and I want to supplement my presentation by posting some

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The Logical-Invest “Universal Investment Strategy”–A Walk Forward Process on SPY and TLT

February 23, 2015
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The Logical-Invest “Universal Investment Strategy”–A Walk Forward Process on SPY and TLT

I’m sure we’ve all heard about diversified stock and bond portfolios. In its simplest, most diluted form, it can be … Continue reading →

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Launching DataScience.Vegas Blog

February 23, 2015
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We are glad to announce the launch of DataScience.Vegas as a blog that aggregates all the events, news and information impacting the Las Vegas data science community. Our community has witnessed the birth and steady growth of several data science meetup groups with a very enthusiastic group of devoted members. We are a community of data scientists, data miners, statisticians, data...

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Masters of Spin: Unraveling the web with R

February 23, 2015
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Masters of Spin: Unraveling the web with R

Here is a look at some of the masters of spin bowling in cricket. Specifically this post analyzes 3 giants of spin bowling in recent times, namely Shane Warne of Australia, Muthiah Muralitharan of Sri Lanka and our very own Anil Kumble of India.  As to “who is the best leggie” has been a hot topic

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Hadoop and Neo4j

February 23, 2015
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Hadoop and Neo4j

Hadoop is being widely used for processing big data and Neo4j is a popular open-source graph database. When doing social network analysis on big data, a “natural” thought is to use them together. Unfortunately, Neo4j cannot work directly on HDFS … Continue reading →

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7 new R jobs (2015-02-23)

February 23, 2015
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7 new R jobs (2015-02-23)

This is the bimonthly post (for 2015-02-23) for new R Jobs from R-users.com. If you are an employer who is looking to hire people from the R community, please visit this link to post a new R job (it’s free and quick). If you are a job seekers, please follow the links below to learn more and apply for your job of interest (or visit previous R jobs posts). Full-Time Machine Learning...

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