QR Decomposition with the Gram-Schmidt Algorithm

March 23, 2017
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QR decomposition is another technique for decomposing a matrix into a form that is easier to work with in further applications. The QR decomposition technique decomposes a square or rectangular matrix, which we will denote as , into two components, , and . Where is an orthogonal matrix, and is... The post QR Decomposition with the Gram-Schmidt Algorithm...

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Announcing R Tools 1.0 for Visual Studio 2015

March 23, 2017
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Announcing R Tools 1.0 for Visual Studio 2015

by Shahrokh Mortazavi, Partner PM, Visual Studio Cloud Platform Tools at Microsoft I’m delighted to announce the general availability of R Tools 1.0 for Visual Studio 2015 (RTVS). This...

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Survminer Cheatsheet to Create Easily Survival Plots

March 23, 2017
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Survminer Cheatsheet to Create Easily Survival Plots

...

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Make the [R] Kenntnis-Tage 2017 your stage

March 23, 2017
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Make the [R] Kenntnis-Tage 2017 your stage

At the Kenntnis-Tage 2017 on November 8 and 9, 2017 you will get the chance to benefit not only from the exchange about the programming language R in...

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The Tidyverse Curse

March 23, 2017
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I’ve just finished a major overhaul to my widely read article, Why R is Hard to Learn. It describes the main complaints I’ve heard from the participants to my workshops,...

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10 Million Dots: Mapping European Population

March 23, 2017
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10 Million Dots: Mapping European Population

Creating a giant dot density map using R.

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New mlr Logo

March 22, 2017
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We at mlr are currently deciding on a new logo, and in the spirit of open-source, we would like to involve the community in the voting process! You can vote...

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Euler Problem 17: Number Letter Counts

March 22, 2017
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Euler Problem 17: Number Letter Counts

A solution in the R language to Euler Problem 17: If all the numbers from 1 to 1000 inclusive were written out in words, how many letters would...

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Data Visualization – Part 2

March 22, 2017
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Data Visualization – Part 2

A Quick Overview of the ggplot2 Package in R While it will be important to focus on theory, I want to explain the ggplot2 package because I will be...

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Datashader is a big deal

March 22, 2017
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Datashader is a big deal

I recently got back from Strata West 2017 (where I ran a very well received workshop on R and Spark). One thing that really stood out for me at...

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Running your R code on Azure with mrsdeploy

March 22, 2017
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Running your R code on Azure with mrsdeploy

by John-Mark Agosta, data scientist manager at Microsoft Let’s say you’ve built a model in R that is larger than you can conveniently run locally, and you want to...

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February 2017 New Package Picks

March 22, 2017
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February 2017 New Package Picks

by Joseph Rickert One hundred and forty-five new packages were added to CRAN in February. Here are 47 interesting packages organized into five categories; Biostatistics, Data, Data Science, Statistics...

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The Hitchhiker’s Guide to Ggplot2 in R

March 22, 2017
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The Hitchhiker’s Guide to Ggplot2 in R

Published: 2016-11-30 Updated: 2017-03-23 "Any bleeder knows that books are never finished, only abandoned." Why Information Grows About the book You can find the book here. This is a book that may look...

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Suggests != Depends

March 22, 2017
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A number of packages on CRAN use Suggests: casually. They list other packages as "not required" in Suggests: -- as opposed to absolutely required via Imports: or the older Depends:...

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San Francisco EARL: First round of speakers announced

March 22, 2017
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San Francisco EARL: First round of speakers announced

We’re excited to announced the first round of gReat speakers for San Francisco EARL. Alongside our keynote speakers, Hilary Parker and Ricardo Bion, R Users from a range of...

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Simulating Unown encounter rates in Pokémon Go

March 21, 2017
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Simulating Unown encounter rates in Pokémon Go

Pokémon Go is an augmented reality game where people with smartphones walk around and catch Pokémon. As in the classic games, players are Pokémon “trainers” who have to travel around...

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anytime 0.2.2

March 21, 2017
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A bugfix release of the anytime package arrived at CRAN earlier today. This is tenth release since the inaugural version late last summer, and the second (bugfix /...

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Parallel benchmarking with OpenML and mlr

March 21, 2017
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Parallel benchmarking with OpenML and mlr

With this post I want to show you how to benchmark several learners (or learners with different parameter settings) using several data sets in a structured and parallelized fashion. For...

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Use mlrMBO to optimize via command line

March 21, 2017
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Many people who want to apply Bayesian optimization want to use it to optimize an algorithm that is not implemented in R but runs on the command line as...

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Data Analytics for Societal Good

March 21, 2017
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Data Analytics for Societal Good

At my workplace, employees celebrate a month of Data Analysis for Societal good, every year. During this time, we try to help NPOs (Non-Profit Organisations) in gaining insights from...

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Financial time series forecasting – an easy approach

March 21, 2017
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Financial time series forecasting – an easy approach

Financial time series analysis and their forecasting have an history of remarkable contributions. It is then quite hard for the beginner to get oriented and capitalize from reading such...

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The Next Era of Research Communication

March 21, 2017
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The Next Era of Research Communication

From the days of actual research papers (before the digital age), to now where research papers are posted online first, not much has really changed in the way we...

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Give a talk about an application of R at EARL

March 21, 2017
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Give a talk about an application of R at EARL

The EARL (Enterprise Applications of R) conference is one of my favourite events to go to. As the name of the conference suggests, the focus of the conference is...

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The one thing you need to master data science

March 21, 2017
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The one thing you need to master data science

The most important factor for mastering data science is ... The post The one thing you need to master data science appeared first on SHARP SIGHT...

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camsRad, satellite-based time series of solar irradiation

March 21, 2017
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camsRad, satellite-based time series of solar irradiation

camsRad is a lightweight R client for the CAMS Radiation Service, that provides satellite-based time series of solar irradiation for the actual weather conditions as well as...

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Simultaneous intervals for derivatives of smooths revisited

March 21, 2017
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Simultaneous intervals for derivatives of smooths revisited

Eighteen months ago I screwed up! I’d written a post in which I described the use of simulation from the posterior distribution of a fitted GAM to...

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Is it possible to use RevoScaleR package in Power BI?

March 20, 2017
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Is it possible to use RevoScaleR package in Power BI?

I was invited to deliver a session for Belgium User Group on SQL Server and R integration. After the session – which we did online using web based Citrix ...

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Sentiment Analysis of Warren Buffett’s Letters to Shareholders

March 20, 2017
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Sentiment Analysis of Warren Buffett’s Letters to Shareholders

Last week, I was reading through Warren Buffett's most recent letter to Berkshire Hathaway shareholders. Every year, he writes a letter that he makes publicly available on the Berkshire...

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Alteryx integrates with Microsoft R

March 20, 2017
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Alteryx integrates with Microsoft R

You can now use Alteryx Designer, the data science workflow tool from Alteryx, as a drag-and-drop interface for many of the big-data statistical modeling tools included with Microsoft R....

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