Monthly Archives: April 2015

choroplethrZip v1.3.0: easier demographics, national maps

April 28, 2015
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choroplethrZip v1.3.0: easier demographics, national maps

Introduction choroplethr v3.0 is now available on github. You can get it by typing # install.packages("devtools") library(devtools) install_github('arilamstein/[email protected]') Version 1.3.0 has two new features: Data frame df_zip_demographics contains eight demographic statistics about each ZIP Code Tabulated Area (ZCTA) in the US. Data comes from the 2013 5-year American Community Survey (ACS). Function ?get_zip_demographics will return

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RStudio v0.99 Preview: Code Diagnostics

April 28, 2015
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RStudio v0.99 Preview: Code Diagnostics

In RStudio v0.99 we’ve made a major investment in R source code analysis. This work resulted in significant improvements in code completion, and in the latest preview release enable a new inline code diagnostics feature that highlights various issues in your R code as you edit. For example, here we’re getting a diagnostic that notes that there is an extra

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Winning streaks in baseball

April 28, 2015
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Winning streaks in baseball

How rare are winning streaks in baseball? The post Winning streaks in baseball appeared first on Decision Science News.

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RcppTOML 0.0.3: A New Approach to Configuration Files

April 28, 2015
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A small project I worked on during the last few weeks has now come together in new package RcppTOML which arrived on CRAN yesterday. It provides R with a reader for TOML files. TOML stands for Tom's Obvious Markup Language. And before you roll your eyes, glance at the TOML site. It really is different, and has a number of...

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Downloading and Visualizing Seismic Events from USGS

April 28, 2015
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Downloading and Visualizing Seismic Events from USGS

The unlucky events that took place in Nepal have flooded the web with visualization of the earthquakes from USGS. They normally visualize earthquakes with a colour scale that depends on the age of the event and a marker size that depends on magnitude. I remembered that some time ago I tested ways for downloading and visualizing data from USG...

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R in Insurance 2015 Conference Programme

April 28, 2015
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R in Insurance 2015 Conference Programme

The programme for the 3rd R in Insurance conference is on-line. The event will take place on 29 June 2015 at the University of Amsterdam. Time to register now. Special thanks to our sponsors, without whom the conference wouldn't be possible: CYBAEA, RS...

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Some basics of biomaRt

April 27, 2015
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Some basics of biomaRt

One of the commonest bioinformatics questions, at Biostars and elsewhere, takes the form: “I have a list of identifiers (X); I want to relate them to a second set of identifiers (Y)”. HGNC gene symbols to Ensembl Gene IDs, for example. When this occurs I have been known to tweet “the answer is BioMart” (there

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I Fought the (distribution) Law (and the Law did not win)

April 27, 2015
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I Fought the (distribution) Law (and the Law did not win)

A few days ago, I was asked if we should spend a lot of time to choose the distribution we use, in GLMs, for (actuarial) ratemaking. On that topic, I usually claim that the family is not the most important parameter in the regression model. Consider the following dataset __ db plot(db,xlim=c(0,6),ylim=c(-1,8),pch=19) To visualize a regression model, use...

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Awesome-R: A curated list of the best add-ons for R

April 27, 2015
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One of the great things about R is that there's so much available to use with it: there are several interfaces to choose from, thousands of add-on packages to extend its capabilites, hundreds of books and on-line tutorials — an abundance of riches to improve your R experience. But with that abundance comes a problem: how to find the...

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8 new R jobs (2015-04-27)

April 27, 2015
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8 new R jobs (2015-04-27)

This is the bimonthly post (for 2015-04-13) for new R Jobs from R-users.com. Employers: visit this link to post a new R job to the R community (it’s free and quick). 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 Senior Data Analyst – Online Advertising (at Booking.com) Booking.com – Posted by Booking.com Amsterdam Noord-Holland, Netherlands 23 Apr2015...

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