1983 search results for "rstudio"

Where People Live

March 3, 2016
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Where People Live

There was an interesting map on reddit this morning, with a visualisation of latitude and longituge of where people live, on Earth. So I tried to reproduce it. To compute the density, I used a kernel based approch > library(maps) > data("world.cities") > X=world.cities > liss=function(x,h){ + w=dnorm(x-X,0,h) + sum(X*w) + } > vx=seq(-80,80) > vy=Vectorize(function(x) liss(x,1))(vx) > vy=vy/max(vy)...

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Declutter a shiny report’s code v2.0

March 3, 2016
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I wrote a year ago on a way to declutter shiny report code which involved putting objects into a sourced file, however, at that point in time the solution was a bit brittle and clunky. Now there’s a better way to develop shiny applications – shiny modules. In October, RStudio introduced the concept of modules The post

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Learn R from the Ground Up

March 1, 2016
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Learn R from the Ground Up

R is an open source programming language which is made from the dialect of S. R programming is very power when dealing with Data Manipulation and Statistical Modelling. R is widely used by data scientist and can solve complex problems containing datasets with statistical computing. R has thousands of packages which shows how powerful R History + Installation

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Analysing the movements of a cat

March 1, 2016
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Analysing the movements of a cat

by Verena Haunschmid Since I have a cat tracker, I wanted to do some analysis of the behavior of my cats. I have shown how to do some of these things here. Data Collection The data was collected using the Tractive GPS Pet Tracker over a period of about one year from January 2014 to November 2014 (with breaks)....

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A Gadget for tidyr

March 1, 2016
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A Gadget for tidyr

By Aimee Gott About a month ago I wrote a review of the Shiny Developer Conference and I mentioned Shiny Gadgets, my new favourite thing in R. Over the last month I have played about with them and finally got … Continue reading →

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Introducing pdftools – A fast and portable PDF extractor

March 1, 2016
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Scientific articles are typically locked away in PDF format, a format designed primarily for printing but not so great for searching or indexing. The new pdftools package allows for extracting text and metadata from pdf files in R. From the extracted plain-text one could find articles discussing a particular drug or species name, without having to rely on...

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Version control with Git

February 29, 2016
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Version control with Git

Keeping track of versions You work on a project and would like to keep track of what you did. That is why keep old versions of your files. That way you can go back if you messed up beyond recognition. Usually that looks like this: Or you use dropbox or something like it: Other people...

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Network Visualization with Plotly and Shiny

February 28, 2016
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Network Visualization with Plotly and Shiny

In addition to their more common uses, networks  can be used as powerful multivariate data visualizations and exploration tools. Networks not only provide mathematical representations of data but are also one of the few data visualization methods capable of easily displaying multivariate variable relationships. The process of network mapping involves using the network manifold to display a

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Mortality by Weekday and Age

February 27, 2016
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Mortality by Weekday and Age

A few days ago, I did mention on Twitter a nice graph, with Mortality by Weekday and Age https://t.co/LyzQ7nJABZ very interesting difference, young vs. old pic.twitter.com/EfrX0C1GBS — Arthur Charpentier (@freakonometrics) 27 février 2016 My colleague Jean-Philippe was extremely sceptical, so I tried to reproduce that graph. The good thing is that we have the Social Security Death Master File,...

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Upload plots as PNG file to your wordpress

February 27, 2016
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Upload plots as PNG file to your wordpress

Synopsis Note! This post is a addition to Create blog posts from RStudio to WordPress About a week ago I tried to add my blog to R-Bloggers. I thought everything was correct to add it. But this week I got a mail from Tal Galili (site administrator of R-Bloggers) with

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