1866 search results for "RStudio"

R-Markdown and Knitr Tutorial (Part 1)

December 28, 2015
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R-Markdown is a great way to create dynamic documents with embedded chunks of R code. The document is self contained and fully reproducible which makes it very easy to share. This post will be the first in a multi part series on how to embed Plotly graphs in R-Markdown documents as well as presentations. R-Markdown

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How to create a Twitter Sentiment Analysis using R and Shiny

December 26, 2015
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How to create a Twitter Sentiment Analysis using R and Shiny

Everytime you release a product or service you want to receive feedback from users so you know what they like and what they don’t. Sentiment Analysis can help you. I will show you how to create a simple application in R and Shiny to perform Twitter Sentiment Analysis in real-time. I use RStudio. We will

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Get The Best R Books For Just $5

December 26, 2015
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tl;dr: Get every book about R & related topics for just $5 at Packt Publishing until the end of this year. Packt Publishing is currently offering a special sales campaign. You can buy every book for only 5 Dollar until the end of this year. We think, this is a great chance to broaden your R The post

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Analyzing networks of characters in ‘Love Actually’

December 25, 2015
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Analyzing networks of characters in ‘Love Actually’

Every Christmas Eve, my family watches Love Actually. Objectively it’s not a particularly, er, good movie, but it’s well-suited for a holiday tradition. (Vox has got my back here). Even on the eighth or ninth viewing, it’s impressive what an intricate network of characters it builds. This got me wondering how we could visualize the connections quantitatively, based...

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Regression Diagnostic Plots using R and Plotly

December 25, 2015
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Regression Diagnostic Plots using R and Plotly

Plotly is a platform for making, editing, and sharing customizable and interactive graphs. Embedding Plotly graphs in a R-Markdown document is very easy. Here, we will genarate a R-Markdown document with embedded Plotly charts to visualize regression diagnostic plots similar to the ones generated by using plot() on a fitted lm() object. R-Studio First step

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simmer v3.1.1 released on CRAN

December 24, 2015
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Last week the latest version of simmer was released on CRAN: v3.1.1. This version allows adding attributes to arrivals (and basing decisions on their values). Also, the rollback activity was introduced, enabling you to roll back a trajectory with n steps. In addition, a new priority param for the seize() command was introduced. This allows ordering a resource queue based on the...

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Embedding images in R package help pages

December 23, 2015
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Embedding images in R package help pages

by Andrie de Vries Have you noticed that most R help does not contain any images? Historically, this was for a good reason: most programming language help assumes that you use the system on a text-only system, e.g. a headless linux server. If your system has no graphical capabilities, but the help contains images, then the help itself can...

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Stop fiddling around with copied paths in Windows R

December 23, 2015
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I work with R on both Mac OS and Windows. On Windows, you get the option to copy the path of a file or folder by holding Shift while right-clicking on the file or folder. As useful as this feature is, it copies paths to your clipboard in Windows format...

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One Solution to the ‘stringsAsFactors’-Problem Or: Hell-Yeah there is HELLNO

December 23, 2015
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One Solution to the ‘stringsAsFactors’-Problem Or: Hell-Yeah there is HELLNO

Base R's stringsAsFactors default setting is supposedly the most often complained about piece of code in the whole R infrastructure. A search through the source code of all CRAN packages in December 2015 (Link) resulted in 3,492 mentions of stringsAsFactors. Most of the time these explicit mentions where found within calls to data.frame() or as.data.frame() and simply set...

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Set up Sublime Text for light-weight all-in-one data science IDE

December 23, 2015
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Set up Sublime Text for light-weight all-in-one data science IDE

tl;dr Sublime Text is a powerful text editor. Here I introduce how to add custom REPL config for remote/local R, Python, Scala, Spark, Hive, you name it (this is only tested for OS X). The example below interprets local Python (top), R (middle) and Hive (bottom) code on remote. IDE for everything Good IDEs are everywhere. RStudio for R, Pycharm for...

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