When Trump visits… tweets from his trip to Mexico

September 25, 2016
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When Trump visits… tweets from his trip to Mexico

I’m sure many of my fellow Mexicans will remember the historically ill-advised (to say the least) decision by our President to invite Donald Trump for a meeting. Talking to some fellow colleagues, we couldn’t help but notice that maybe in another era this decision would have been good policy. The problem, some concluded, was the influence of social media today....

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FileTable and storing graphs from Microsoft R Server

September 25, 2016
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FileTable and storing graphs from Microsoft R Server

FileTable has been around now for quite some time and and it is useful  for storing files, documents, pictures and and binary files in a designated SQL Server table...

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Re-introducing Radiant: A shiny interface for R

September 24, 2016
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Radiant is a platform-independent browser-based interface for business analytics in R. I first introduced Radiant through R-bloggers on 5/2/2015 and, according to Dean Attali, the post was reasonably popular....

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tint 0.0.1: Tint Is Not Tufte

September 24, 2016
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tint 0.0.1: Tint Is Not Tufte

A new experimental package is now on the ghrr drat. It is named tint which stands for Tint Is Not Tufte. It provides an alternative for Tufte-style html...

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Surveillance Out of the Box – The #Zombie Experiment

September 24, 2016
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Surveillance Out of the Box – The #Zombie Experiment

Abstract We perform a social experiment to investigate, if zombie related twitter posts can used as a reliable indicator for an early warning system. We show how such a system...

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Windows 10 anniversary updates includes a whole Linux layer – this is good news for data scientists

September 24, 2016
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If you are on Windows 10, no doubt you have heard that Microsoft included the bash shell in its 2016 Windows 10 anniversary update. What you may not know...

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Radial Stacked Area Chart in R using Plotly

September 24, 2016
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In this post we’ll quickly show how to create radial stacked ara charts in plotly. We’ll use the AirPassengers dataset. Inspired by Mike Bostocks post: http://bl.ocks.org/mbostock/3048740 Radial Stacked...

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My first Shiny App: control charts

September 24, 2016
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My first Shiny App: control charts

After having carefully followed the online official Shiny tutorial, I decided to make a quick try at making my very first Shiny App. I should say that I found...

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Environmental Monitoring App

September 23, 2016
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Environmental Monitoring App

Python, R, Qt, peewee, bokeh, pandas, SQLite plus couple of sleepless nights and here you are a сute app for the environmental monitoring needs )))Main window of the application

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Advanced Base Graphics Exercises

September 23, 2016
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Advanced Base Graphics Exercises

Being able to visualize information through plots is essential for a statistic analysis. A simple and clean graph  can explain much more than words.  In this set of exercises you will test...

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Microsoft R at the EARL Conference

September 23, 2016
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Microsoft R at the EARL Conference

Slides have now been posted for many of the talks given at the recent Effective Applications of the R Language (London) conference, and I thought I'd highlight a few...

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an inverse permutation test

September 22, 2016
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an inverse permutation test

A straightforward but probabilistic riddle this week in the Riddler, which is to find the expected order of integer i when the sequence {1,2,…,n} is partitioned at random into...

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Shiny Server (Pro) 1.4.6

September 22, 2016
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Shiny Server (Pro) 1.4.6

We’ve just released Shiny Server and Shiny Server Pro 1.4.6. Relative to 1.4.2, our previously blogged-about version, the 1.4.6 release primarily includes bug fixes, and mitigations for low-severity security issues found by penetration...

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Size of XDF files using RevoScaleR package

September 22, 2016
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Size of XDF files using RevoScaleR package

It came to my attention that size of XDF (external data frame) file can change drastically based on the compute context and environment. When testing the output of a...

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How to choose the right tool for your data science project

September 22, 2016
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How to choose the right tool for your data science project

by Brandon Rohrer, Principal Data Scientist, Microsoft R or Python? Torch or TensorFlow? (or MXNet or CNTK)? Spark or map-reduce? When we're getting started on a project, the mountain...

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Introducing the R Data Science Livestream

September 22, 2016
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Have you ever watched a livestream? Have you ever wondered what the actual minute to minute of doing data science looks like? Do you wonder if other R users...

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R Markdown: How to number and reference tables

September 22, 2016
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R Markdown: How to number and reference tables

R Markdown is a great tool to make research results reproducible. However, in scientific research papers or reports, tables and figures usually need to be numbered and referenced. Unfortunately,...

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Paired t-test in R Exercises

September 21, 2016
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Paired t-test in R Exercises

The paired samples t test is used to check if there are any differences in the mean of the same sample at two different time points. For example a...

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Welcome to the Tidyverse

September 21, 2016
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Hadley Wickham, co-author (with Garrett Grolemund) of R for Data Science and RStudio's Chief Scientist, has focused much of his R package development on the un-sexy but critically important...

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A Fun Gastronomical Dataset: What’s on the Menu?

September 20, 2016
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A Fun Gastronomical Dataset: What’s on the Menu?

I just found a fun food themed dataset that I’d never heard about and that I thought I’d share. It’s from a project called What’s on the menu where...

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One year of R / Notes

My collection of R notes is now slightly over one year old. This note reflects on how useful the exercise of blogging about R has been so far,...

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Linux Data Science Virtual Machine: new and upgraded tools

September 20, 2016
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Linux Data Science Virtual Machine: new and upgraded tools

The Linux edition of the Data Science Virtual Machine on Microsoft Azure was recently upgraded. The Linux DSVM includes Microsoft R, Anaconda Python, Jupyter, CNTK and many other data...

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10 new jobs for R users – from around the world (2016-09-20)

September 20, 2016
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10 new jobs for R users – from around the world (2016-09-20)

  To post your R job on the next post Just visit this link and post a new R job to the R community. You can either post a job for free (which works...

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R for Beginners and other R courses | Milan

September 20, 2016
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Info, dates and topics of our five Autumn R Courses: from programming to data manipulation, from statistics to data mining, everything with R starting with R for Beginners course. The...

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Relative error distributions, without the heavy tail theatrics

September 19, 2016
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Nina Zumel prepared an excellent article on the consequences of working with relative error distributed quantities (such as wealth, income, sales, and many more) called “Living in A Lognormal...

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YaRrr! The Pirate’s (video) Guide to R

September 19, 2016
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YaRrr! The Pirate’s (video) Guide to R

Today is Talk Like A Pirate Day, the perfect day to learn R, the programming language of pirates (arrr, matey!). If you have two-and-a-bit hours to spare, Nathaniel Phillips...

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An R Function for Generating Authenticated URLs to Private Web Sites Hosted on AWS S3

September 19, 2016
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An R Function for Generating Authenticated URLs to Private Web Sites Hosted on AWS S3

Quite often I want to share simple (static) web pages with other colleagues or clients. For example, I may have written a report using R Markdown and rendered it...

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Applying Functions To Lists Exercises

September 19, 2016
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Applying Functions To Lists Exercises

The lapply() function applies a function to individual values of a list, and is a faster alternative to writing loops. Structure of the lapply() function: lapply(LIST, FUNCTION, ...) The...

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ggtree for outbreak data

September 19, 2016
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ggtree for outbreak data

OutbreakTools implements basic tools for the analysis of Disease Outbreaks. It defines S4 class obkData to store case-base outbreak data. It also provides a function, plotggphy, to visualize such...

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