Conditional Formatting of a Table in R

Conditional Formatting of a Table in R

Background There are a few ways to approach the problem of a conditionally formatted table in R. You can use the ReporteRs package's FlexTable() function, the formattable package, or the condformat package. These allow you to produce a conditionally formatted tables in HTML. You can also use xtable package and essentially program what you want … Continue...

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sparklyr: a test drive on YARN

sparklyr: a test drive on YARN

sparklyr is a new R front-end for Apache Spark, developed by the good people at RStudio. It offers much more functionality compared to the existing SparkR interface by Databricks, allowing both dplyr-based data transformations, as well as access to the machine learning libraries of both Spark and H2O Sparkling Water. Moreover, the latest RStudio IDE v1.0 now offers native...

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Useful tools for shiny developers in the new version of shinyjs

November 7, 2016
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Useful tools for shiny developers in the new version of shinyjs

shinyjs is a package that helps you easily improve the user interaction and user experience in your shiny apps. It has come a long way in the 1.5 years since it was first released, and today I’m happy to announce that version 0.8 is now on...

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Parallel Vectorized Operations

November 7, 2016
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Parallel Vectorized Operations

After using R for a few years people come to realize how inefficient loops are (in all languages), even after pre-allocating memory. Then you begin to use the apply functions and revel at their speed. However, once you have datasets > 10-15 million the apply family can begin to creep along (relative to the amount Related Post

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Raccoon | Ch 2.2 – 2 sample t-test and paired t

November 7, 2016
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Raccoon | Ch 2.2 – 2 sample t-test and paired t

Raccoon is a free web-book about Statistical Models with R. It's the collection of twenty years of notes, exercises and concepts working with statistics and R. This is the second section of the second chapter, about 2-sample t-test and paired t. The post Raccoon | Ch 2.2 – 2 sample t-test and paired t appeared first on

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Make A Box Plot with Single Column Data Using Ggplot2 Tutorial

November 7, 2016
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Make A Box Plot with Single Column Data Using Ggplot2 Tutorial

Last week I had my class practice making a box plot using the data on page 66 in The Practice of Statistics 4th Edition (TPS 4ed) text book. I’m still going over the details of making a box plot with just a single vector or variable of data. Many of the problems in our textbook

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MODIStsp v1.3.0 released – adds support for Collection 6 datasets

November 7, 2016
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MODIStsp v1.3.0 has been finally released !It adds the much-needed functionality for downloading and preprocessing MODIS Collection 006 datasets. Off-line preprocessing of already downloaded hdf images was also improved, and the GUI was a bit revamped to improve user-friendliness (A detailed changelog can be found here).  More detailed usage instructions were also added to the main github...

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7th MilanoR Meeting: download presentations

November 7, 2016
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7th MilanoR Meeting: download presentations

We have collected all notes and materials of the 7th MilanoR Meeting and now they're available online. The post 7th MilanoR Meeting: download presentations appeared first on MilanoR.

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Image Classification in R using trained TensorFlow models

November 7, 2016
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Image Classification in R using trained TensorFlow models

Recently RStudio has released a package that allows to use TensorFlow in R. Also recently several trained models for image classification have been released. In this post I describe how to use the VGG16 model in R to produce an image classification like this:(image taken from: https://www.flickr.com/photos/jonner/487461265)The code...

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Workarounds to include R stat functions in data science pipelines

Workarounds to include R stat functions in data science pipelines

This post explores some of the possible workarounds that can be employed if you want to include non-pipe-aware functions to magrittr pipelines without using intubate and, at the end, the intubate alternative. See intubate <||> R stat functions in...

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Webscraping with rvest: So Easy Even An MBA Can Do It!

November 6, 2016
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Webscraping with rvest: So Easy Even An MBA Can Do It!

This is the fourth installment in our series about web scraping with R. This includes practical examples for the leading R web scraping packages, including: RCurl package The post Webscraping with rvest: So Easy Even An MBA Can Do It! appeared first on ProgrammingR.

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MPGView: Find the Vehicle Best for Fuel Economy

November 6, 2016
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MPGView: Find the Vehicle Best for Fuel Economy

America is a nation on wheels. According to 2014 stats, there are 797 cars owned per 1000 people in America.ref Besides paying the price for the vehicle, The post MPGView: Find the Vehicle Best for Fuel Economy appeared first on NYC Data Science Academy Blog.

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Subprocess in R?

November 6, 2016
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Subprocess in R?

I’ve been trying to find a R equivalent to Python’s subprocess and so far I’ve failed. Since a capability to handle child processes in a way that’s more sophisticated than a simple system() call (R has two of them, system() and system2()) might turn out handy I decided to build a new package for R. It’s name is … More...

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Is ‘Yeah’ Josh and Chuck’s favorite word?

November 5, 2016
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Is ‘Yeah’ Josh and Chuck’s favorite word?

Text mining and sentiment analysis of a Stuff You Should Know Podcast Stuff You Should Know (or SYSK) is one of the many great podcasts from How Stuff Works. The two SYSK hosts Josh and Chuck have taught me so many fascinating things over the years,...

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A Simple Guide to S3 Methods

November 5, 2016
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A few months ago I wrote about my first solo author submission to the R Journal entitled, “A Simple Guide to S3 Methods”. Unfortunately the article didn’t make it to publication on the R Journal, but admittedly that might have been a bit of a lon...

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Timeseries forecasting using extreme gradient boosting

November 5, 2016
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Timeseries forecasting using extreme gradient boosting

In the last few years there have been more attempts at a fresh approach to statistical timeseries forecasting using the increasingly accessible tools of machine learning. This means methods like neural networks and extreme gradient boosting, as supple...

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Shiny Server (Pro) 1.5

November 4, 2016
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Shiny Server (Pro) 1.5

Shiny Server 1.5.1.834 and Shiny Server Pro 1.5.1.760 are now available. The Shiny Server 1.5.x release family upgrades our underlying Node.js engine from 0.10.47 to 6.9.1. The impetus for this change was not stability or performance, but because the 0.10.x release family has reached the end of its life. We highly recommend that you test

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New Expansion of the R Course Finder!

November 4, 2016
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New Expansion of the R Course Finder!

On the 1st of september we launched R course finder, an online directory that helps you to find the right R course quickly. With so many R courses available online, we thought it was a good idea to offer a tool that helps people to compare these courses, before they decide where to spend their

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Feuilleton

November 4, 2016
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Feuilleton

.fusion-fullwidth-1 { padding-left: px !important; ...

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LR02: SD line, GoA, Regression

LR02: SD line, GoA, Regression

This posts continues the discussion of correlation started on LR01: Correlation. We will try to answer the following questions: Should correlation be used for any pair of data? Does association mean causation? What are ecological correlations? What hap...

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I’ve started writing a ‘book’: Functional programming and unit testing for data munging with R

November 3, 2016
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I have started writing a ‘book’ using the awesome bookdown package. In the book I explain and show why using functional programming and putting your functions in your own packages is the way to go when you want to clean, prepare and transform lar...

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New R package: packagedocs

November 3, 2016
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I’m pleased to announce the CRAN release of packagedocs which provides a mechanism for simple generation and automated deployment of nice-looking online R package documentation that plugs into the traditional R package vignette system. You can see...

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ratio-of-uniforms [#3]

November 3, 2016
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ratio-of-uniforms [#3]

Being still puzzled (!) by the ratio-of-uniform approach, mostly failing to catch its relevance for either standard distributions in a era when computing a cosine or an exponential is negligible, or non-standard distributions for which computing bounds and boundaries is out-of-reach, I kept searching for solutions that would include unbounded densities and still produce compact

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Download product information and reviews from Amazon.com

November 3, 2016
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Rmazon The goal of Rmazon is to help you download product information and reviews from Amazon.com easily. Installation You can install Rmazon from github with: # install.packages("devtools") devtools::install_github("56north/Rmazon") Example – product information This is a basic example which shows you how ro get product information: # Get product information for 'The Art of R Programming:... Read more »

RTutor: CO2 Trading and Risk of Firm Relocation

November 3, 2016
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RTutor: CO2 Trading and Risk of Firm Relocation

Many economists would agree that the most efficient way to fight global warming would be a world-wide tax or an emmission trading system for greenhouse gases. Yet, if only a part of the world implements such a scheme, a reasonable concern is that firms...

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Parse NOAA Integrated Surface Data Files

November 3, 2016
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Parse NOAA Integrated Surface Data Files

A new package isdparser is on CRAN. isdparser was in part liberated from rnoaa, then improved. We'll use isdparser in rnoaa soon. isdparser does not download files for you from NOAA's ftp servers. The package focuses on parsing the files, which are variable length ASCII strings stored line by line, where each line has some mandatory data, and any amount of optional data. The...

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showCategory parameter for visualizing compareCluster output

November 2, 2016
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showCategory parameter for visualizing compareCluster output

I am using dotplot() to visualize results from enrichGO(), enrichDO(), enricher() and compareCluster() in clusterProfiler R package. When specifying showCategory, I get the right number of categories except with the results of compareCluser(). In my case, I use compareCluster() on a list of 3 elements: str(ClusterList) List of 3 $ All : chr "89886" "29923" "100132891" "101410536" ... $ g1 ...

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rbokeh Version 0.5.0 Released

November 2, 2016
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The rbokeh package version 0.5.0 was recently released. For those not familiar with rbokeh, it is a plotting library based on BokehJS with the goal of making it easy to flexibly create declarative interactive web-based visualizations in R. To get an o...

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je reviendrai à Montréal [MCM 2017]

November 2, 2016
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je reviendrai à Montréal [MCM 2017]

Next summer of 2017, the biennial International Conference on Monte Carlo Methods and Applications (MCM) will take place in Montréal, Québec, Canada, on July 3-7. This is a mathematically-oriented meeting that works in alternance with MCqMC and that is “devoted to the study of stochastic simulation and Monte Carlo methods in general, from the theoretical

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