DataVis with Plot.ly (@plotlygraphs) – Meetup Summary

December 30, 2014
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2014-12-31 15_11_12-Clipboard

It pains me to admit it, but even though I had visited their site, created...

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SAS is #1…In Plans to Discontinue Use

December 30, 2014
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SAS is #1…In Plans to Discontinue Use

I’ve been tracking The Popularity of Data Analysis Software for many years now, and a clear trend is the decline of the market share of the bigger analytics firms, notably...

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Plot with ggplot2 and plotly within knitr reports

December 30, 2014
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Plot with ggplot2 and plotly within knitr reports

Plotly is a platform for making, editing, and sharing graphs. If you are used to making plots with ggplot2, you can call ggplotly() to make your plots...

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Widgets For Christmas

December 30, 2014
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For Christmas, I generally want electronic widgets, but after six months of development, all I wanted this Christmas was htmlwidgets, and Santa RStudio/jj,joe,yihui and Santa Ramnath delivered early with...

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The 6th Spanish R Users Conference

December 30, 2014
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The 6th Spanish R Users Conference

by Emilio L. Cano The VI Spanish R Users Conference took place on October 23 and 24 in Santiago de Compostela (Spain). It was a two-day event with a...

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Cluster Analysis of the NFL’s Top Wide Receivers

December 29, 2014
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Cluster Analysis of the NFL’s Top Wide Receivers

“The time has come to get deeply into football. It is the only thing we have left that ain't fixed.”Hunter S. Thompson, Hey Rube Column, November 9, 2004I have...

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OpenCPU release 1.4.6: gzip and systemd

December 29, 2014
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OpenCPU release 1.4.6: gzip and systemd

OpenCPU server version 1.4.6 has been released to launchpad, OBS, and dockerhub (more about docker in a future blog post). I also updated...

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top posts for 2014

December 29, 2014
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top posts for 2014

Here are the most popular entries for 2014: 17 equations that changed the World (#2) 995 Le Monde puzzle 992 “simply start over and build something better” 991...

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First Day of the Month, Using R

December 29, 2014
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First Day of the Month, Using R

Future-proofing is an important concept when designing automated reports. One thing that can get out of hand over time is when you accumulate so many periods of data that...

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Multivariate Medians

December 29, 2014
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I'll bet that in the very first "descriptive statistics" course you ever took, you learned about measures of "central tendency" for samples or populations, and these measures included...

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R wins a 2014 Bossie Award

December 29, 2014
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I missed this when it was announced back on September 29, but R won a 2014 Bossie Award for best open-source big-data tools from InfoWorld (see entry number 5):...

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Making Static & Interactive Maps With ggvis (+ using ggvis maps w/shiny)

December 29, 2014
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Making Static & Interactive Maps With ggvis (+ using ggvis maps w/shiny)

Even though it’s still at version 0.4, the ggvis package has quite a bit of functionality and is highly useful for exploratory data analysis (EDA). I wanted to see...

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Getting R and Java 1.8 to work together on OSX

December 29, 2014
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Hey Mac OSX users with Java 1.8 installed. Did R just request a Java 1.6 installation and then promptly crash your session?  If so, read on… The Problem A...

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rfoaas 0.0.5

December 29, 2014
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A new version of rfoaas is now on CRAN. The rfoaas package provides an interface for R to the most excellent FOAAS service--which provides a modern, scalable and...

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How to extract a data.frame from string data

December 28, 2014
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A guest article by Asher Raz, PhD, CareerHarmony Sometimes, data of subjects are recorded on a server (e.g. SQL server) as string data records for each subject. In some...

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RcppArmadillo 0.4.600.0

December 28, 2014
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Conrad produced another minor release 4.600 of Armadillo. As before, I had created a GitHub-only pre-release(s) of his pre-release(s), and tested a pre-release as well as the...

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A time series contest attempt

December 28, 2014
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A time series contest attempt

I saw the post a time series contest on Rob J Hyndman's blog. Since I am still wanting to play around with some bigger data sets, so I went to...

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[NYC] Featured R experts Meetup, R classes and 12 week Data Science Bootcamp

December 28, 2014
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[NYC] Featured R experts Meetup, R classes and 12 week Data Science Bootcamp

There are a few exciting announcements I would love to share with R community. We feel very honored to host meetup and class offered by Kaggle #1 ranked Data...

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Introductory R Presentation

December 27, 2014
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I put together a short intro presentation for some people explaining a little bit about R from an introductory point of view. Slides put together with R/markdown and ioslides....

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Snowdoop/partools Update

December 27, 2014
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Snowdoop/partools Update

I’ve put together an updated version of my partools package, including Snowdoop, an alternative to MapReduce algorithms.  You can download it here, version 1.0.1. To review:  The idea of...

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Fitting a mixture of independent Poisson distributions

December 26, 2014
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Fitting a mixture of independent Poisson distributions

This is an example from Zucchini & MacDonald’s book on Hidden Markov Models for Time Series (exercise 1.3). The data is annual counts of earthquakes of magnitude 7...

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Create an R-tree data structure using Rcpp and Boost::Geometry

December 26, 2014
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Create an R-tree data structure using Rcpp and Boost::Geometry

Introduction The purpose of this post is to show how to use Boost::Geometry library which was introduced recently in Rcpp. Especially, we focus on R-tree data structure for searching objects in space...

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Animations and GIFs using ggplot2

December 26, 2014
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Animations and GIFs using ggplot2

Tracing a regression lineDiverging density plotsHappy New Year plot Happy New Year everyone! For the last post of the year, I thought I'd have a little fun with the...

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rfoaas 0.0.4.20141225 — not on CRAN

December 25, 2014
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A new version of rfoaas was prepared for CRAN, but refused on the grounds of having been updated within 24 hours. Oh well. To recap, the rfoaas package provides...

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Principal Component Analysis on Imaging

December 25, 2014
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Principal Component Analysis on Imaging

Ever wonder what's the mathematics behind face recognition on most gadgets like digital camera and smartphones? Well for most part it has something to do with statistics. One...

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rfoaas 0.0.4.20141224

December 24, 2014
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A new version of rfoaas is now on CRAN. The rfoaas package provides an interface for R to the most excellent FOAAS service -- which provides a modern,...

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Time Stacking and Time Slicing in R

December 24, 2014
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Time Stacking and Time Slicing in R

Time lapses are a fun way to quickly show a long period of time. They typically involve setting up your camera on a tripod and taking photos at a...

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Visualizing APA 6 Citations: qdapRegex 0.2.0 & qdapTools 1.1.0

December 24, 2014
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Visualizing APA 6 Citations: qdapRegex 0.2.0 & qdapTools 1.1.0

qdapRegex 0.2.0 & qdapTools 1.1.0 have been released to CRAN.  This post will provide some of the packages’ updates/features and provide an integrate demonstration of extracting and viewing in-text...

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Plotting Fundamentals Chapter

December 24, 2014
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Plotting Fundamentals Chapter

I have uploaded a draft of Chapter 3 — Plotting Fundamentals — for the Introduction to Fisheries Analyses with R (IFAR) book (note the new name).  This chapter is meant to...

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