R with Power BI: Import, Transform, Visualize and Share

August 25, 2016
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R with Power BI: Import, Transform, Visualize and Share

Power BI, Microsoft's data visualization and reporting platform, has made great strides in the past year integrating the R language. This Computerworld article describes the recent advances with Power BI and R. In short, you can: import data into Power BI by using an R script cleanse and transform other data sources coming into Power BI using R functions...

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Extending sparklyr to Compute Cost for K-means on YARN Cluster with Spark ML Library

August 24, 2016
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Extending sparklyr to Compute Cost for K-means on YARN Cluster with Spark ML Library

Machine and statistical learning wizards are becoming more eager to perform analysis with Spark ML library if this is only possible. It’s trendy, posh, spicy and gives the...

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Python style logging in R

August 24, 2016
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Python style logging in R

This entry is part 20 of 20 in the series Using RWe are increasingly using R in “operational” settings that require robust error handling and logging. In this post we...

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Using MANOVA to Analyse a Banking Crisis Exercises

August 24, 2016
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Using MANOVA to Analyse a Banking Crisis Exercises

In this set of exercises we will practice multivariate analysis of variance – MANOVA. We shall try to find if there is a difference in the combination of export...

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stringr 1.1.0

August 24, 2016
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stringr 1.1.0

I’m pleased to announce version 1.1.0 of stringr. stringr makes string manipulation easier by using consistent function and argument names, and eliminating options that you don’t need 95% of...

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How to evaluate R models in Azure Machine Learning Studio

August 24, 2016
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How to evaluate R models in Azure Machine Learning Studio

Azure Machine Learning Studio is a GUI-based integrated development environment for constructing and operationalizing machine learning workflows. The basic computational unit of an Azure ML Studio workflow (or Experiment)...

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Edward Tufte Keynote Presenter at Data Science Summit, Sep 26-27

August 23, 2016
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Edward Tufte Keynote Presenter at Data Science Summit, Sep 26-27

I'm excited to share that one of my data science heroes will be a presenter at the Microsoft Data Science Summit in Atlanta, September 26-27. Edward Tufte, the data...

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useR and JSM 2016 conferences: a story in tweets

August 23, 2016
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useR and JSM 2016 conferences: a story in tweets

I was amused by a Guardian article last month that declared “I’m a serious academic, not a professional Instagrammer,” arguing that social media is a distraction for scientific...

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Rborist version 0.1-3 is now available from CRAN

August 23, 2016
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Version 0.1-3 of the Rborist Random Forest package can now be downloaded from CRAN. This version follows closely on the short-lived 0.1-2, which failed to install on...

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10 Reasons why you can’t miss this years EARL Conference in London

August 23, 2016
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10 Reasons why you can’t miss this years EARL Conference in London

    On September 13th-15th Mango Solutions are running the EARL ( Effective Applications of the R Language) Conference for all users, enthusiasts and beginners of the R programming...

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GSoC 2016 Report – Rperform

August 23, 2016
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GSoC 2016 Report – Rperform

Developer: Akash Tandon Mentors: Joshua Ulrich, Toby Dylan Hocking Official Project Link: Rperform: performance analysis of R package code This project meant to deal primarily with development of Rperform’s...

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Visualising Residuals

August 23, 2016
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Visualising Residuals

Residuals. Now there’s something to get you out of bed in the morning! OK, maybe residuals aren’t the sexiest topic in the world. Still, they’re an essential element and means...

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New package tokenizers joins rOpenSci

August 23, 2016
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The R package ecosystem for natural language processing has been flourishing in recent days. R packages for text analysis have usually been based on the classes provided by the...

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Integrate Free R Tutorials With Blackboard, Moodle, Canvas & More!

August 22, 2016
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Are you teaching a course this semester that makes use of R? Now you can integrate DataCamp’s free interactive R courses and tutorials with all major learning management systems...

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Matrix Operations Exercises

August 22, 2016
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Matrix Operations Exercises

This set of exercises will help you to learn and test your skill in matrix operations, starting with basic ones like scalar multiplication all the way through eigenvalue and...

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Five great charts in 5 lines of R code each

August 22, 2016
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Five great charts in 5 lines of R code each

Sharon Machlis is a journalist with Computerworld, and to show other journalists how great R is for data visualization she shows them these five data visualizations, each of which...

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A Shiny App for estimating Multiplier Exponent Curves from Manning’s Equation Inputs

August 22, 2016
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A Shiny App for estimating Multiplier Exponent Curves from Manning’s Equation Inputs

WASP and other flow and water quality models ask users to input multiplier and exponent values relating velocity and depth to discharge. These relationships take the form of V=aQ^b...

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Using cranlogs in R with Plotly

August 22, 2016
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In this post we’ll use the cranlogs package to visualize the number of downloads for Plotly’s R API

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The Breathtaking 1-Matrix

August 22, 2016
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The Breathtaking 1-Matrix

La luna sale a caminar siguiendo tus pupilas (Ojos color sol, Calle 13) This is a 5×5 1-matrix: And this is a 20×20 1-matrix visualized: Maybe in some other...

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Five Questions about Data Science

August 21, 2016
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Five Questions about Data Science

From Safari Books Online (https://www.safaribooksonline.com/blog/2016/02/10/data-science-qa/) ---Recently, we were able to ask five questions of Murtaza Haider, about the new book from IBM Press called “Getting Started...

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Gotta catch them all

August 21, 2016
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Gotta catch them all

Introduction When data becomes high-dimensional, the inherent relational structure between the variables can sometimes become unclear or indistinct. One, might want to find clusters for numerous amounts of reasons -...

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RcppEigen 0.3.2.9.0

August 21, 2016
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A new upstream release 3.2.9 of Eigen is now reflected in a new RcppEigen release 0.3.2.9.0 which got onto CRAN late yesterday and is now going...

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The Olympic Medal Table Visualized Gapminder Style

August 20, 2016
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The Olympic Medal Table Visualized Gapminder Style

This work is licensed under a Creative Commons Attribution-ShareAlike 4.0 International License. The markdown+Rknitr source code of this blog is...

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Manny Parzen Used R!

August 20, 2016
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Manny Parzen Used R!

Prof. Manny Parzen, a pioneer of modern statistics, passed away in February, aged 87. I should have commented back then, but it’s still worth saying something today. I happened...

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Descriptive Statistics Final Project with Python & R

August 20, 2016
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Descriptive Statistics Final Project with Python & R

The post Descriptive Statistics Final Project with Python & R appeared first on Networkx.

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RQuantLib 0.4.3: Lots of new Fixed Income functions

August 19, 2016
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A release of RQuantLib is now on CRAN and in Debian. It contains a lot of new code contributed by Terry Leitch over a number of...

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Visualizing when I’m most productive during the day

August 19, 2016
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Visualizing when I’m most productive during the day

Analyzing my (and others') git activity - Click here to explore the data yourself Yesterday I saw this retweet from @timelyportfolio that links to a gist...

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Five problems (and one solution) with dual-axis time series plots

August 19, 2016
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Five problems (and one solution) with dual-axis time series plots

If you need to present two time series spanning the same period, but in wildly different scales, it's tempting to use a time series chart with two separate vertical...

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vtreat 0.5.27 released on CRAN

August 19, 2016
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Win-Vector LLC, Nina Zumel and I are pleased to announce that ‘vtreat’ version 0.5.27 has been released on CRAN. vtreat is a data.frame processor/conditioner that prepares real-world data for...

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