862 search results for "how to import image file to R"

R Workshops Updated to Include the Latest Packages

August 27, 2014
By
R Workshops Updated to Include the Latest Packages

Two new R packages are quickly becoming standards in the R community: Hadley Wickham’s dplyr and tidyr. The dplyr package almost completely replaces his popular plyr package for data manipulation. Most importantly for general R use, it makes it much easier … Continue reading →

Read more »

Adding CITATION to your R package

August 27, 2014
By
Adding CITATION to your R package

Original post from Robin's Blog:Software is very important in science – but good software takes time and effort that could be used to do other work instead. I believe that it is important to do this work – but to make it worthwhile, people need to get credit for their work, and in academia that...

Read more »

Making Your Code Citable

August 26, 2014
By
Making Your Code Citable

Original post from GitHub Guides:Digital Object Identifiers (DOI) are the backbone of the academic reference and metrics system. If you’re a researcher writing software, this guide will show you how to make the work you share on GitHub citable by archiving one of your GitHub repositories and assigning a DOI with the data...

Read more »

Continuous or Discrete Latent Structure? Correspondence Analysis vs. Nonnegative Matrix Factorization

August 25, 2014
By
Continuous or Discrete Latent Structure? Correspondence Analysis vs. Nonnegative Matrix Factorization

A map gives us the big picture, which is why mapping has become so important in marketing research. What is the perceptual structure underlying the European automotive market? All we need is a contingency table with cars as the rows, attributes as the ...

Read more »

How to integrate R with your calendar

August 20, 2014
By
How to integrate R with your calendar

Hilary Parker has contributed a lovely article to Significance, the magazine of the American Statistical Association and the Royal Statistical Society, on using R to set your Google calendar to mark the time of sunsets. Hilary details the process in the article, but the basic idea is to use the sunrise.set function from the StreamMetabolism package to calculate sunset...

Read more »

21 R navigation tools

August 17, 2014
By
21 R navigation tools

Navigation gets you from where you are to where you want to be. Speaking of navigation, you can jump to selected sections of this post: Navigation; R-bloggers; Task views; Rdocumentation.org; sos package; ??; apropos; ls; methods; getAnywhere; :::; find; args; grep; %in%; str; getwd; file.choose; Spyglass summary; browser; See also. Overview Figure 1: A map The post

Read more »

Running OpenCPU server on Fedora and Enterprise Linux

August 14, 2014
By
Running OpenCPU server on Fedora and Enterprise Linux

Starting version 1.4.4, the OpenCPU cloud server can run on Redhat distributions, i.e. Fedora and Enterprise Linux (CentOS/RHEL). This post explains how to install and use OpenCPU on these systems. But before continuing I should emphasize that ...

Read more »

Example 2014.9: Rolling averages. Also: Second Edition is shipping!

August 11, 2014
By
Example 2014.9: Rolling averages.  Also: Second Edition is shipping!

As of today, the second edition of "SAS and R: Data Management, Statistical Analysis, and Graphics" is shipping from CRC Press, Amazon, and other booksellers. There are lots of additional examples from this blog, new organization, and other features ...

Read more »

ABC model choice by random forests [guest post]

August 10, 2014
By
ABC model choice by random forests [guest post]

This paper proposes a new approach to likelihood-free model choice based on random forest classifiers. These are fit to

Read more »

Incidental R

August 7, 2014
By
Incidental R

by Joseph Rickert Last week, I posted a list of sessions at the Joint Statistical Meetings related to R. As it turned out, that list was only the tip of the iceberg. In some areas of statistics, such as graphics, simulation and computational statistics the use of R is so prevalent that people working in the field often don't...

Read more »