936 search results for "RStudio"

Using the plyr package

January 18, 2014
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Using the plyr package

Introduction The base R system provides lapply() and related functions, and the package plyr provides alternatives that are worth considering. It will be assumed that readers are familiar with lapply() and are willing to spend a few moments reading the plyr documentation, to see why the illustration here will use the ldply() function. The test task will be extraction of...

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Fast-track publishing using knitr: table mania (part IV)

January 15, 2014
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Fast-track publishing using knitr: table mania (part IV)

Fast-track publishing using knitr is a short series on how I use knitr to speedup publishing in my research. While illustrations (previous post) are optional, tables are not, and this fourth article is therefore devoted to tables. Tables through knitr is probably one of the most powerful fast-track publishing tools, in this article I will show (1) how...

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Example 2014.1: "Power" for a binomial probability, plus: News!

January 14, 2014
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Example 2014.1: "Power" for a binomial probability, plus: News!

Hello, folks! I'm pleased to report that Nick and I have turned in the manuscript for the second edition of SAS and R: Data Management, Statistical Analysis, and Graphics. It should be available this summer. New material includes some of our more po...

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Calling Python from R with rPython

January 13, 2014
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Calling Python from R with rPython

Python has generated a good bit of buzz over the past year as an alternative to R. Personal biases aside, an expert makes the best use of the available tools, and sometimes Python is better suited to a task. As a case in point, I recently wanted to pull data via the Reddit API. There The post Calling...

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Why R is Better Than Excel for Fantasy Football (and most other) Data Analysis

January 13, 2014
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Many articles have been written on why R is better than Excel for data analysis.  In this post, I will summarize the reasons why R is advantageous in most data The post Why R is Better Than Excel for Fantasy Football (and most other) Data Analysis appeared first on Fantasy Football Analytics.

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R vs Stata: Importing and Saving Datasets

January 6, 2014
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R vs Stata: Importing and Saving Datasets

Today, I got a license of the new Stata/MP 13 (dual core), so I decided to make some succinct comparisons with R (Rstudio). Much more tests will come in the following weeks, but today I focused only on the basics: processing text files. Essentially, reading and writing raw datasets. The results I obtained, surprised me—I've

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Geomorph and MacOS X

January 3, 2014
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Happy New Year to all Geomorph users,I have received a few emails from Mac users wanting to update to the new version of Geomorph. Unfortunately there is still a lag on the CRAN repository for a MacOS X binary of version 1.1-5. While this is a nuisance...

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Fast-track publishing using knitr: the setup using .RProfile with custom CSS + some HTML goodies (part II)

January 3, 2014
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Fast-track publishing using knitr: the setup using .RProfile with custom CSS + some HTML goodies (part II)

Fast-track publishing using knitr is a short is a short series on how I use knitr to get my articles faster published. This is part II where I will show how you can tweak RStudio into producing seamless MS Word-integration by using the .RProfile together with CSS, a few basics about HTML that might be...

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Add ‘Calculation In Process’ Indicator for Shiny Application

January 3, 2014
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A Calculation in process busy indicator for shiny application is useful especially for the application that take long time to calculate result. I used to developed an application do model fitting which need more than 10 seconds! Users may lose their patience if the application doesn’t response after several seconds! One solution is add a process bar,...

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Pivoting Data in R Excel-style

January 2, 2014
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Pivoting Data in R Excel-style

(This article is referring to an initial proof-of-concept version of r-big-pivot) I have to admit that I very much enjoy pivoting through data using Excel. Its pivoting tool is great for getting a quick insight into a data set’s structure … Continue reading → The post Pivoting Data in R Excel-style appeared first on joy...

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