Getting Started with R

December 2, 2017
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Rstudio OverView we have 4 panes1) script pan - to write and save the programing script2) Console pane - where all the code will get executed3) Environment/history pane - displays all the variables created,functionsused with in the current session4) Helper pane - contains multiple tabs to install/display pacakges,view visualization plots,locate files within the...

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House sales in London SW10 have taken a few punches

December 2, 2017
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House sales in London SW10 have taken a few punches

SW10 house prices have taken some heavy punches in recent years, e.g. from the Financial Crisis. Is there a case for a more gently-graduated stamp duty? The post House sales in London SW10 have taken a few punches appeared first on thinkr.

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Hosting RStudio Server on Azure

December 1, 2017
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Hosting RStudio Server on Azure

Can’t be bothered reading, tell me now Getting started Setting up R Opening ports ready for RStudio Installing RStudio Nicer URLs Adding SSL Can’t be bothered reading, tell me now Host RStudio server on an azure instance. Configure the instan...

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Correlated log-normal chain-ladder model

December 1, 2017
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Correlated log-normal chain-ladder model

On 23 November Glenn Meyers gave a fascinating talk about The Bayesian Revolution in Stochastic Loss Reserving at the 10th Bayesian Mixer Meetup in London. Glenn Meyers speaking at the Bayesian Mixer Glenn worked for many years as a research actuary at Verisk/ ISO, he helped to set up the CAS Loss Reserve Database and published a monograph on Stochastic loss...

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Hosting RStudio Server on Azure

December 1, 2017
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Hosting RStudio Server on Azure

Can’t be bothered reading, tell me now Getting started Setting up R Opening ports ready for RStudio Installing RStudio Nicer URLs Adding SSL Can’t be bothered reading, tell me now Host RStudio server on an azure instance. Configure the instan...

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A Public Apology to Tal/R-Bloggers + The Trouble With Tibbles

December 1, 2017
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A Public Apology to Tal/R-Bloggers + The Trouble With Tibbles

Over the past few weeks, I had been noticing that some posts in the R-bloggers feed were getting truncated in Feedly. I don’t remember when I noticed that since I usually click through immediately from the headline entry to the R-bloggers page vs read in Feedly since ultimately I want to get to the author’s... Continue reading →

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A case study in messy data analysis: the Australian same-sex marriage survey

December 1, 2017
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A case study in messy data analysis: the Australian same-sex marriage survey

Last month the Australian people signaled their approval of legalizing same-sex marriage by a 62%:38% margin in a national survey. (On a personal note, I was elated and relieved by the result: my husband and I have discussed eventually retiring to Australia, and with this decision our marriage would be recognized there.) While fears of a surprise Brexit-like electoral...

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Note On My Emerging Workflow for Working With Binderhub

December 1, 2017
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Note On My Emerging Workflow for Working With Binderhub

Yesterday saw the public reboot of Binder / MyBinder (which I first wrote about a couple of years ago here), as reported in The Jupyter project blog post Binder 2.0, a Tech Guide and this practical guide: Introducing Binder 2.0 — share your interactive research environment. For anyone not familiar with Binder / MyBinder, it’s

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Analysing iOS App Store iTunes Reviews in R

December 1, 2017
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Analysing iOS App Store iTunes Reviews in R

Unlike Google PlayStore Developer Console for Android App, iOS App Store’s iTunes Connect does not help developers with the bulk download of App Store iTunes Reviews. So if you are an iOS App Developer or a Mobile App Product Manager, You are left with no option but to get paid subscription like App Annie to Related Post Handling ‘Happy’ vs...

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RStudio Connect v1.5.10

November 30, 2017
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RStudio Connect v1.5.10

We’re pleased to announce version 1.5.10 of RStudio Connect and the general availability of RStudio Connect Execution Servers. Execution Servers enable horizontal scaling and high availability for all the content you develop in R. The 1.5.10...

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Birds of a Feather sessions at rstudio::conf 2018 and the rstudio::conf app!

November 30, 2017
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Birds of a Feather sessions at rstudio::conf 2018 and the rstudio::conf app!

RStudio appreciates the hundreds of smart, passionate, data science enthusiasts who have already registered for rstudio::conf 2018. We’re looking forward to a fantastic conference, immersing in all things R & RStudio. If you haven’t registered yet, please do! Some workshops are now full. We are also over 90% of our registration target - with more than 2 months to go....

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R in Africa

November 30, 2017
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R in Africa

R is used around the world and yet, in English-speaking media at least, we tend to hear most about what is happening in North America, Europe, and Australasia. So we would like to highlight some recent initiatives in the R community from other regions of the world, with this first post in the series focusing on R in Africa. satRdays in Cape Town Following the...

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The Value of Welcome, part 2: How to prepare 40 new community members for an unconference

The Value of Welcome, part 2: How to prepare 40 new community members for an unconference

I’ve raved about the value of extending a personalized welcome to new community members and I recently shared six tips for running a successful hackathon-flavoured unconference. Building on these, I’d like to share the specific approach and (free!) tools I used to help prepare new rOpenSci community members to be productive at our unconference. My approach was inspired directly...

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Visualising SSH attacks with R

November 30, 2017
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Visualising SSH attacks with R

If you have any machine with an SSH server open to the world and you take a look at your logs, you may be alarmed to see so many login attempts from so many unknown IP addresses. DenyHosts is a pretty neat service for Unix-based systems which works in the background reviewing such logs and appending the… Continuar leyendo Visualising SSH...

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R 3.4.3 released

November 30, 2017
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R 3.4.3 released

R 3.4.3 has been released, as announced by the R Core team today. As of this writing, only the source distribution (for those that build R themselves) is available, but binaries for Windows, Mac and Linux should appear on your local CRAN mirror within the next day or so. This is primarily a bug-fix release. It fixes an issue...

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A quick introduction to using color in density plots

November 30, 2017
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A quick introduction to using color in density plots

To become a great data scientist, you need to master data visualization. One intermediate topic that you’ll need to learn is how to work with color. Specifically, you’ll need to learn how to manipulate the “fill” color of things like density plots ... The post A quick introduction to using color in density plots appeared first on SHARP SIGHT...

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Tidyverse Cheat Sheet For Beginners

November 30, 2017
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Tidyverse Cheat Sheet For Beginners

The tidyverse is a powerful collection of R packages that you can use for data science. They are designed to help you to transform and visualize data. All packages within this collection share an underlying philosophy and common APIs. As you might kno...

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Introducing RITCH: Parsing ITCH Files in R (Finance & Market Microstructure)

November 30, 2017
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Introducing RITCH: Parsing ITCH Files in R (Finance & Market Microstructure)

Recently I was faced with a file compressed in NASDAQ’s ITCH-protocol, as I wasn’t able to find an R-package that parses and loads the file to R for me, I spent (probably) way to much time to write one, so here it is. But you might wonder, what exactly is ITCH and why should I

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A crazy day in the Bitcoin World

November 29, 2017
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A crazy day in the Bitcoin World

By Gabriel Vasconcelos Today, November 29, 2017 was a crazy day in the Bitcoin world and the craziness is still going on as I write this post. The price range was of thousands of Dollars in a few hours. Bitcoins … Continue reading →

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Using Heatmap Coloring on a Density Plot Using R to Visualize Distributions

November 29, 2017
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Using Heatmap Coloring on a Density Plot Using R to Visualize Distributions

Lots of different visualizations have been proposed for understanding distributions. In this post, I am going show how to create my current favorite, which is...

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Sentiment Analysis of “A Christmas Carol”

November 29, 2017
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Sentiment Analysis of “A Christmas Carol”

Our family has been reading, listening to and watching “A Christmas Carol” for just abt 30 years now. I got it into my crazy noggin to perform a sentiment analysis on it the other day and tweeted out the results, but a large chunk of the R community is not on Twitter and it would... Continue reading →

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How to generate a Secret Santa list with R

November 29, 2017
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How to generate a Secret Santa list with R

Several recent blog posts have explored the Secret Santa problem and provided solutions in R. This post provides a roundup of various solutions and how they are implemented in R. If you wanted to set up a "Secret Santa" gift exchange at the office, you could put everyone's name into a hat and have each participant draw a name...

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R Programmers: What is your biggest problem when working with Census data?

November 29, 2017
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R Programmers: What is your biggest problem when working with Census data?

A few weeks ago I announced my latest project: Data Science instruction at the Census Bureau. In addition to announcing the project, I also snuck... The post R Programmers: What is your biggest problem when working with Census data? appeared first on AriLamstein.com.

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R Programmers: What is your biggest problem when working with Census data?

November 29, 2017
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R Programmers: What is your biggest problem when working with Census data?

A few weeks ago I announced my latest project: Data Science instruction at the Census Bureau. In addition to announcing the project, I also snuck... The post R Programmers: What is your biggest problem when working with Census data? appeared first on AriLamstein.com.

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R Programmers: What is your biggest problem when working with Census data?

November 29, 2017
By
R Programmers: What is your biggest problem when working with Census data?

A few weeks ago I announced my latest project: Data Science instruction at the Census Bureau. In addition to announcing the project, I also snuck... The post R Programmers: What is your biggest problem when working with Census data? appeared first on AriLamstein.com.

Read more »

R Programmers: What is your biggest problem when working with Census data?

November 29, 2017
By
R Programmers: What is your biggest problem when working with Census data?

A few weeks ago I announced my latest project: Data Science instruction at the Census Bureau. In addition to announcing the project, I also snuck... The post R Programmers: What is your biggest problem when working with Census data? appeared first on AriLamstein.com.

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Win-Vector LLC announces new “big data in R” tools

November 29, 2017
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Win-Vector LLC announces new “big data in R” tools

Win-Vector LLC is proud to introduce two important new tool families (with documentation) in the 0.5.0 version of seplyr (also now available on CRAN): partition_mutate_se() / partition_mutate_qt(): these are query planners/optimizers that work over dplyr::mutate() assignments. When using big-data systems through R (such as PostgreSQL or Apache Spark) these planners can make your code faster … Continue reading Win-Vector...

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Gender Diversity Analysis of Data Science Industry using Kaggle Survey Dataset in R

November 29, 2017
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Gender Diversity Analysis of Data Science Industry using Kaggle Survey Dataset in R

Kaggle recently released the dataset of an industry-wide survey that it conducted with 16K respondents. This article aims to understand how the argument of Gender Diversity plays out in Data Science Practice. Disclaimer: Yes, I understand this dataset is not the output of a Randomized Experiment hence cannot be a representative of the entire Data Related Post How Happy is...

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Flip axes in plotly histograms – few approaches

November 29, 2017
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Flip axes in plotly histograms – few approaches

This seems easy as it requires just to change x parameter to y in the plot specification. Well, there are some edge cases where R users might get a in trouble! library(plotly) packageVersion('plotly') '4.7.1' Before you go, let me just expla...

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