1848 search results for "tutorial"

Announcing our ambassadors program

August 11, 2014
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In the last 12 months we traveled all over the world delivering talks and hands on workshops at various conferences and universities. This was a great opportunity for us to raise awareness for the project and get more of you involved as contributors and collaborators. As we scale the project to the next level, we need your help in...

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Ploting SEMs in R using semPlot

August 10, 2014
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Ploting SEMs in R using semPlot

This is a short post presenting the great package semPlot developed by Sacha Epskamp (check out his nice website: http://sachaepskamp.com/) to make nice plots from your SEMs. SEMs are a modelling tool that allow the researcher to investiguate complex relationships between the variables, you may find here many links to free tutorials: http://www.structuralequations.org/. Here I

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2014 UC Davis Proteomics Workshop

August 9, 2014
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2014 UC Davis Proteomics Workshop

Recently I had the pleasure of teaching data analysis at the 2014 UC Davis Proteomics Workshop. This included a hands on lab for making gene ontology enrichment networks. You can check out my lecture and tutorial below or download all the material. Introduction Tutorial 2014 UC Davis Proteomics Workshop Dmitry Grapov is licensed under a

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In case you missed it: July 2014 Roundup

August 6, 2014
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In case you missed them, here are some articles from June of particular interest to R users: The deadline for our contest to visualize the location of R user groups has been extended to August 16. Previews of R-related sessions at this year's JSM conference in Boston. Coding errors in R graphics scripts serendipitously create some interesting art. Another...

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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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Plot with ggplot2, interact, collaborate, and share online

July 31, 2014
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Plot with ggplot2, interact, collaborate, and share online

Editor’s note: This is a guest post by Marianne Corvellec from Plotly. This post is based on an interactive Notebook (click to view) she presented at the R User Conference on July 1st, 2014. Plotly is a platform for making, editing, and sharing graphs. If you are used to making plots with ggplot2, you can

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Clipping spatial data in R

July 28, 2014
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Clipping spatial data in R

This miniature vignette shows how to clip spatial data based on different spatial objects in R and a ‘bounding box’. Spatial overlays are common in GIS applications and R users are fortunate that the clipping and spatial subsetting functions are mature and fairly fast. We’ll also write a new function called gClip(), that will make clipping by bounding boxes...

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Analyses as Packages

Analyses as Packages TL;DR Instead of writing an analysis as a single or set of R scripts, use a package and include the analysis as a vignette of the package. Read below for the why, the how is in the next post. Analyses and Reports As data science or statistical researchers, we tend to do a lot of analyses, whether for our...

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Who wants to disrupt R training and R education?

July 28, 2014
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Who wants to disrupt R training and R education?

Using EdTech applications as an academic, R trainer or training company is no longer a unique selling proposition, but a must-have commodity. In this post, we introduce the new DataCamp course creation tools for academics, trainers and enterprises, and make a call to those interested in using these tools. More information via [email protected] Everyone involved in academic teaching

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A Few Notes on UseR! 2014

July 25, 2014
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A Few Notes on UseR! 2014

It has been a month since the UseR! 2014 conference, and I'm probably the last one who writes about it. UseR! is my favorite conference because it is technical and not too big. I have completely lost interest in big and broad conferences like JSM (to me, it has become Joint Sightseeing Meetings). Karl has written two blog posts...

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