482 search results for "register"

Looking at Measles Data in Project Tycho

March 30, 2014
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Looking at Measles Data in Project Tycho

Project Tycho includes data from all weekly notifiable disease reports for the United States dating back to 1888. These data are freely available to anybody interested. I wanted to play around with the data a bit, so I registered.MeaslesMeasles a...

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R / Finance 2014 Open for Registration

March 29, 2014
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The annoucement below just went to the R-SIG-Finance list. More information is as usual at the R / Finance page:Now open for registrations: R / Finance 2014: Applied Finance with R May 16 and 17, 2014 Chicago, IL, USA The reg...

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Introduction to PortfolioAnalytics

March 29, 2014
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Introduction to PortfolioAnalytics

PortfolioAnalytics Basics This is a guest post by Ross Bennett. Ross is currently enrolled in the University of Washington Master of Science in Computational Finance & Risk Management program with an expected graduation date of December 2014. He worked on the PortfolioAnalytics...

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R/Finance 2014 Registration Open

March 29, 2014
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As announced on the R-SIG-Finance mailing list, registration for R/Finance 2014 is now open! The conference will take place May 17 and 18 in Chicago.Building on the success of the previous conferences in 2009-2013, we expect more than 250 attendees fro...

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Assign n Email Addresses to x Cells, Intrinsically (Part II)

March 27, 2014
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Part I showed the concept and general technique of a method of assigning n email addresses to x cells pseudo-randomly, without the need for maintaining a log of each assignment.The earlier post considered the basic case of each cell being assigned approximately the same quantity of email addresses. In practice, cell sizes often vary. Below is a technique that...

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Create Twitter Wordcloud with Sentiments

March 23, 2014
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Create Twitter Wordcloud with Sentiments

You can use this tutorial in the ThinkToStartR package with: ThinkToStart(“SentimentCloud”,”KEYWORD”,# of tweets,”DATUMBOX API KEY”) Hey everybody, some days ago I created a wordcloud filled with tweets of a recent german news topic. And a lot of people asked me if I have some code how I created this cloud. And so here it is. …

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Seamless analytical environment by WDI, dplyr, and rMaps

March 22, 2014
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Recently I found that My R Guru @ramnath_vaidya is developping a new visualization package rMaps. I was so excited when I saw it for the first time and I think that it's really awesome for plotting any data on a map....

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Frequentist German Tank Problem

March 20, 2014
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Frequentist German Tank Problem

The German Tank Problem: The Frequentist WayMany things are given a serial number and often that serial number, logically, starts at 1 and for each new unit is increased by 1. For example, German tanks in World War II had several parts with serial numbers. By collecting...

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Why multiple imputation?

March 20, 2014
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Why multiple imputation?

Background In the forth coming week, I will be giving a presentation on the fundamentals of imputation to my colleagues. One of the most important idea I would like to present is multiple imputation. In my last post, I have...

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Stop using bivariate correlations for variable selection

March 19, 2014
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Stop using bivariate correlations for variable selection

Stop using bivariate correlations for variable selectionSomething I've never understood is the widespread calculation and reporting of univariate and bivariate statistics in applied work, especially when it comes to model selection. Bivariate statistics are, at best, useless for multi-variate model selection and, at worst, harmful. Since nearly all...

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