880 search results for "how to import image file to r"

Making Your Code Citable

August 26, 2014
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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...

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

August 25, 2014
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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 ...

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How to integrate R with your calendar

August 20, 2014
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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...

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21 R navigation tools

August 17, 2014
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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

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Running OpenCPU server on Fedora and Enterprise Linux

August 14, 2014
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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 ...

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

August 11, 2014
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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 ...

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ABC model choice by random forests [guest post]

August 10, 2014
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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

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Incidental R

August 7, 2014
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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...

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Simpler R coding with pipes > the present and future of the magrittr package

August 5, 2014
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Simpler R coding with pipes > the present and future of the magrittr package

This is a guest post by Stefan Milton, the author of the magrittr package which introduces the %>% operator to R programming. Preface (by Tal Galili) I was first introduced to the %>% (a.k.a: pipe) operator in R, thanks to Hadley Wickham’s (fascinating) dplyr tutorial (link to the workshop’s material) at useR!2014. After several discussions during the conference (including one very

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GRAN and switchr can’t send you back in time, but they can send R (sort of)

August 5, 2014
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GRAN and switchr can’t send you back in time, but they can send R (sort of)

Using package repositories to recreate the past, distribute the present, and protect against the future by Gabriel Becker (@groundwalkergmb) Bioinformatics and Computational Biology Genentech Research and Early Developmen 1. Have you ever needed to reach into the distant past … to recreate a years old result? Take - as an arbitrary example - Anders and Huber's paper on Differential...

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