925 search results for "sql"

Shiny CRUD App

September 27, 2015
By
Shiny CRUD App

In this post, we write a shiny app that lets you display and modify data that is stored in a database table. Shiny and Databases Everybody loves Shiny, and rightly so. It lets you publish reproducible research, brings R applications to non-R users, and can even serve as a general purpose GUI for R code. The post

Read more »

Adding Authentication to Shiny Open Source Edition

September 24, 2015
By
Adding Authentication to Shiny Open Source Edition

Shiny Server is a great solution for BI/analytics reporting. It leverages the power of the R language to create interactive reports/dashboards. May be you have tried it but are reclutant to use it in production because it lacks any authentication on i...

Read more »

Six lines to install and start SparkR on Mac OS X Yosemite

September 20, 2015
By
Six lines to install and start SparkR on Mac OS X Yosemite

I know there are many R users who like to test out SparkR without all the configuration hassle. Just these six lines and you can start SparkR from both RStudio and command line. One line for Spark and SparkR Apache Spark is a fast and general-purpose cluster computing system SparkR is an R package that...

Read more »

Reading Financial Time Series Data with R

September 17, 2015
By
Reading Financial Time Series Data with R

by Joseph Rickert In a recent post focused on plotting time series with the new dygraphs package, I did not show how easy it is to read financial data into R. However, in a thoughtful comment to the post, Achim Zeileis pointed out a number of features built into the basic R time series packages that everyone ought to...

Read more »

In case you missed it: August 2015 roundup

September 14, 2015
By

In case you missed them, here are some articles from August of particular interest to R users. Creating interactive time series charts of financial data in R. Many R books have been translated into Chinese. A tutorial on visualizing current-events geographic data with choropleths. Revolution R Enterprise 7.4.1 is now available on Windows and Linux servers and in the...

Read more »

Sampling distribution of Gini coefficient

September 11, 2015
By
Sampling distribution of Gini coefficient

Inequality measures Part of my motivation for importing the New Zealand Income Survey(NZIS) simulated unit record file provided by Statistics New Zealand was to explore the characteristics of various measures of inequality. In particular, I’m interested in what happens to the sampling distributions as sample size changes of the following summary statistics: Gini coefficient (ie the area between...

Read more »

Transforming the breaks to match a scale

September 6, 2015
By
Transforming the breaks to match a scale

Something missing In my last post I developed a new scale transformation for R using the approach and platform from the {ggplot2} and {scales}. I implemented a method proposed in 1980 by John and Draper that does some of the job of a logarithmic transform in reducing the dominance on the page of the large values, but is also...

Read more »

Creating a scale transformation

September 4, 2015
By
Creating a scale transformation

A better transformation than my better transformation In an earlier post I put forward the idea of a modulus power transform - basically the square root (or other similar power transformation) of the absolute value of a variable like income, followed by restoring the sign to it. The idea is to avoid throwing away values of zero or...

Read more »

Free R Help

September 3, 2015
By
Free R Help

Today I am giving away 10 sessions of free, online, one-on-one R help. My hope is to get a better understanding of how my readers use R, and the issues they face when working on their own projects. The sessions will be over the next two weeks, online and 30-60 minutes each. I just purchased Screenhero, The post

Read more »

Revolution R Enterprise Now Available in the Cloud on Azure Marketplace

August 31, 2015
By

by Richard Kittler, Revolution R Enterprise PM, Microsoft Advanced Analytics Revolution is excited to announce the availability of its latest release of Revolution R Enterprise 7.4.1 (RRE) as a technical preview on Microsoft Azure via Windows- and Linux-based virtual machines in the Azure Marketplace. Through Azure’s world-wide cloud infrastructure customers now have on-demand access to high-performance predictive analytics to...

Read more »

Sponsors

Mango solutions



RStudio homepage



Zero Inflated Models and Generalized Linear Mixed Models with R

Dommino data lab

Quantide: statistical consulting and training



http://www.eoda.de





ODSC

ODSC

CRC R books series





Six Sigma Online Training





Contact us if you wish to help support R-bloggers, and place your banner here.

Never miss an update!
Subscribe to R-bloggers to receive
e-mails with the latest R posts.
(You will not see this message again.)

Click here to close (This popup will not appear again)