Monthly Archives: February 2018

Annotating phylogenetic tree with images using ggtree and ggimage

February 28, 2018
By
Annotating phylogenetic tree with images using ggtree and ggimage

With ggimage, we are able to plot images using grammar of graphics. The layers defined in ggimage can be directly applied to ggtree to annotate phylogenetic tree using local/online image files. ggtree seamlessly work with ggimage. The geom_tiplab and geom_nodelab can accept parameter of geom="image" to parse taxa labels as image files and use them to “label” the taxa using...

Read more »

Criminal goings-on in a random forest

February 28, 2018
By
Criminal goings-on in a random forest

There's a pay-off from an exploration of multiple supervised machine learning models. We'll explore five approaches whilst predicting criminal goings-on in London. The post Criminal goings-on in a random forest appeared first on thinkr.

Read more »

The R Consortium has funded half a million dollars to R projects

February 28, 2018
By

The R Consortium passed a significant milestone this month: since its inception, the non-profit body has provided more than US$500,000 in grant funding to project proposed by the R Community. The R Consortium uses the dues from its member organizations to fund grant proposals, which are reviewed twice a year by its Infrastructure Steering Committee. (If you'd like to...

Read more »

2018-03 Putting the Macron in Māori: Accented text in R Graphics

February 28, 2018
By

This report describes different methods for correctly rendering macrons in Māori text within R plots. The topics covered will also have relevance to rendering other special characters in R graphics and possibly to rendering macrons in other software. ...

Read more »

#17: Dependencies.

February 28, 2018
By
#17: Dependencies.

Dependencies are invitations for other people to break your package. -- Josh Ulrich, private communication Welcome to the seventeenth post in the relentlessly random R ravings series of posts, or R4 for short. Dependencies. A truly loaded topic. As R users, we are spoiled. Early in the history of R, Kurt Hornik and Friedrich Leisch built support for packages right into R, and...

Read more »

2015 US Fatal Vehicle Accidents Analysis

February 28, 2018
By

-- title: "2015 US Fatal Vehicle Accidents Analysis" author: "Matthew Sun" date: "2/01/2018" output: html_document: default --- #### Introduction   There are over 5 millions of vehicle accidents reported in the US in 2015, according to data from National Highway Traffic Safety Administration (NHTSA). About 7% of them are fatal accidents. As the

Read more »

Using Stata and R together

February 28, 2018
By

I’m running a one day course with Timberlake, Stata’s UK distributors on this topic. We’ll run it next Friday the … More

Read more »

Using R to Reason & Test Theory: A Case Study from the Field of Reading Education

February 27, 2018
By
Using R to Reason & Test Theory: A Case Study from the Field of Reading Education

This past week I was preparing slides for a reading assessment class with a lecture focus on the Visual Word Form Area (Cohen, et al., 2000). This is an area of the brain that is hypothesized to be able … Continue reading →

Read more »

SafeGram: visualising drug safety

February 27, 2018
By
SafeGram: visualising drug safety

Update: an RMarkdown notebook explaining the whole process is available here. Visualising vaccine safety is hard. Doing so from passive (or, as we say it in Britain, ‘spontaneous’!) pharmacovigilance (PhV) sources is even harder. Unlike in active or trial pharmacovigilance, where you are essentially dividing the number of incidents by the person-time or the numberRead more The post SafeGram: visualising...

Read more »

Adding logging to a shiny app with loggit

February 27, 2018
By

This is a very short post with example code Over time when you move your shiny app from your computer to a server, you want to add some logging. Generally logging is defined in levels : INFO (everything you want to print), WARNING (it does not sto...

Read more »

Search R-bloggers


Sponsors

Never miss an update!
Subscribe to R-bloggers to receive
e-mails with the latest R posts.
(You will not see this message again.)

Click here to close (This popup will not appear again)