Monthly Archives: September 2013

Can Your Results be Replicated?

September 11, 2013
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It's a "given" that your empirical results should be able to be replicated by others. That's why more and more journals are encouraging or requiring that authors of such papers "deposit" their data and code with the journal as a condition of acceptance for publication. That's all well and good. However, replicating someone's results using their data and code may not...

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In case you missed it: August 2013 Roundup

September 11, 2013
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In case you missed them, here are some articles from August of particular interest to R users: A tutorial on parallel programming with the foreach, doMC and doSNOW packages. Joe Rickert reviews R's capabilities for linear algebra, sparse matrices and big matrices. How R is disrupting the insurance industry with big data. Revolution Analytics has teamed with Cloudera to...

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Statistics.com Partners With CrowdANALYTIX to Offer New Online Course With Crowdsource Contest As Project

September 11, 2013
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Statistics.com, a provider of online education in statistics and analytics, announces a partnership with CrowdANALYTIX, a predictive modeling “managed crowdsourcing” company, offering a new online course, “Applied Predictive Analytics in partnership with CrowdANALYTIX“, which will run from Oct. 11 to Nov 8, 2013. Crowdsourcing, using the power of the crowd to solve problems, has been used for many functions...

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Zurich, Nov 2013 – Essentials of R Training

September 11, 2013
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(This article was first published on Rmetrics blogs, and kindly contributed to R-bloggers) To leave a comment for the author, please follow the link and comment on their blog: Rmetrics blogs. R-bloggers.com offers daily e-mail updates about R news and tutorials on topics such as: Data science, Big Data, R jobs, visualization (ggplot2, Boxplots, maps, animation), programming (RStudio, Sweave,...

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Learn R and/or Data Management from Home October 7-11

September 11, 2013
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Learn R and/or Data Management from Home October 7-11

If you want to learn R, or improve your current R skills, join me for two workshops that I’m offering through Revolution Analytics in October. If you already know another analytics package, the workshop, Intro to R for SAS, SPSS … Continue reading →

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Blog Logo

September 11, 2013
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Blog Logo

Welcome to my new website/blog. I am aiming to highlight some of the R packages that I have created. You can see a list of all the R packages I have in development and also see the source code on github here: R packages. In addition, I'll likely talk about various topics with statistics, teaching,...

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Implementing a DPU with OpenCPU

September 11, 2013
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Implementing a DPU with OpenCPU

One of the prime use cases in the design of OpenCPU has been the “Data Processing Unit”, for short: DPU. A DPU is a modular, stateless data I/O unit which is called remotely by other software. In the OpenMHealth architecture a DPU must use JSON for data input and output, and is called over...

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The Happiest Emoticons

September 10, 2013
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The Happiest Emoticons

Clearly, a :) is happier than a :( but what about a :-* and a :-D ? Or a :-| and a :-o ? In this post I attempt to rank emoticons in order of how happy someone has to be to use each one. (And punctuate horribly to avoid mixing punctuation with the emot...

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Online course on forecasting using R

September 10, 2013
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I am teaming up with Revolution Analytics to teach an online course on forecasting with R. Topics to be covered include seasonality and trends, exponential smoothing, ARIMA modelling, dynamic regression and state space models, as well as forecast accuracy methods and forecast evaluation techniques such as cross-validation. I will talk about some of my consulting experiences, and explain the...

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Coursera’s free R courses are running again soon

September 10, 2013
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The massively-online open course (MOOC) platform Coursera has already delivered two essential free courses for anyone who wants to learn the R language. Computing for Data Analysis, presented by Roger Peng, covers the basics of R programming. The follow-up course Data Analysis, presented by Jeff Leek, covers statistical modeling and data visualization with R. If you missed these courses,...

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