1314 search results for "Rstudio"

Going deeper with dplyr: New features in 0.3 and 0.4 (video tutorial)

March 8, 2015
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In August 2014, I created a 40-minute video tutorial introducing the key functionality of the dplyr package in R. dplyr continues to be my "go-to" package for data exploration and manipulation because of its intuitive syntax, blazing fast performance, ...

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CRAN download statistics of any packages #rstats

March 7, 2015
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CRAN download statistics of any packages #rstats

Hadley Wickham announced at Twitter that RStudio now provides CRAN package download logs. I was wondering about the download numbers of my package and wrote some code to extract that information from the logs… The first code snippet is taken from the log website itself: Then I downloaded all files into a folder: Unzipping did

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Getting Data From An Online Source

March 6, 2015
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Getting Data From One Online SourceRobert NorbergHello world. It’s been a long time since I posted anything here on my blog. I’ve been busy getting my Masters degree in statistical computing and I haven’t had much free time to blog. But I’ve writing R code as much as ever. Now, with graduation approaching, I’m job hunting and I thought it would...

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Welcome to the Hadleyverse

March 6, 2015
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It's fair to say that Hadley Wickham, chief scientist at RStudio and a new member of the R Foundation, has made great contributions to the R community. Not only is he the author of several R-related books including Advanced R, Hadley is also the author of dozens of R packages which have transformed the way that data scientists work...

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Beautiful tables for linear model summaries #rstats

March 6, 2015
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Beautiful tables for linear model summaries #rstats

Beautiful HTML tables of linear models In this blog post I’d like to show some (old and) new features of the sjt.lm function from my sjPlot-package. These functions are currently only implemented in the development snapshot on GitHub. A package update is planned to be submitted soon to CRAN. There are two new major features

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R Basics at Simple Talk

March 5, 2015
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R Basics at Simple Talk

News that Microsoft will acquire Revolution Analytics has raised interest about R among SQL Server and .NET developers and administrators.  Simple-Talk is an online technical journal and hub for a community of such users.  I just wrote a...

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View package downloads over time with Shiny

March 5, 2015
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View package downloads over time with Shiny

Almost everyone with an R package in CRAN wonders how often it’s installed and used. Two years ago RStudio kindly started offering anonymized logs of their downloads from their CRAN mirror, which allows one to graph the number of downloads over time. Much easier than downloading and processing all of the log files, however, is working with...

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haven 0.1.0

March 4, 2015
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haven 0.1.0

I’m pleased to announced that the new haven package is now available on CRAN. Haven makes it easy to read data from SAS, SPSS and Stata. Haven has the same goal as the foreign package, but it: Can read binary SAS7BDAT files. Can read Stata13 files. Always returns a data frame. (Haven also has experimental

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Electric Power System simulations using R

March 2, 2015
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Electric Power System simulations using R

This is a guest post by Ben Ubah. The field of electric power systems engineering relies heavily on computer simulations for analysis because of its nature. These computer simulations aid the planning, operation and management of the system. Computer simulations have been implemented using several scientific computing tools. However, I have not yet seen any implementations using R. This inspired my...

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One weird trick to compile multipartite dynamic documents with Rmarkdown

February 28, 2015
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One weird trick to compile multipartite dynamic documents with Rmarkdown

This afternoon I stumbled across this one weird trick an undocumented part of the YAML headers that get processed when you click the ‘knit’ button in RStudio. Knitting turns an Rmarkdown document into a specified format, using the rmarkdown package’s render function to call pandoc (a universal document converter written in Haskell). If you...

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