# 1166 search results for "maps"

## Mastering R plot – Part 3: Outer margins

March 5, 2016
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This is the third post in our series Mastering R Plot, in this one we will cover the outer margins. To know more about plot customization read my first and second post. Let’s directly dive into some code: #a plot has inner and outer margins #by default there is no outer margins par()\$oma 0 Related Post

## You Must Allow Me To Tell You How Ardently I Admire and Love Natural Language Processing

March 4, 2016
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It is a truth universally acknowledged that sentiment analysis is super fun, and Pride and Prejudice is probably my very favorite book in all of literature, so let’s do some Jane Austen natural language processing. Project Gutenberg makes e-texts available for many, many books, including Pride and Prejudice which is available here. I am using the plain text...

## Where People Live

March 3, 2016
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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)...

## Upload shapefile to R Shiny app to extract leaflet map data

March 2, 2016
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In this post I share an R Shiny app which uses the leaftlet package for interactive maps. This app differs from prior apps I’ve made featuring leaflet maps. First, it displays rasterized map data rather than just point layers. Also, longitude and latitude sliders in the browser allow for cropping the map. Additionally, the user

## Analysing the movements of a cat

March 1, 2016
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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)....

## The first official Johannesburg R Users’ Meetup!

February 27, 2016
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We’ve been working hard on obtaining sponsors for the community and setting up a support structure for knowledge sharing and connecting our members. Our first Johannesburg R User Meetup (on the 8th March) is being sponsored by Microsoft and will be taking place at their Bryanston Campus. Our confirmed speakers include: Marty Epstein Head of Telematics – Discovery Insure Marty will...

## Overwhelming Growth In National Support for Bernie Sanders Mapped

February 25, 2016
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The FEC just released the most recent campaign contributor data and the results show a strong continued widespread growth in support for Bernie Sanders across the country.Figure 1: A map of what counties and states support Bernie Sanders relative to th...

## Generating and Visualizing Multivariate Data with R

February 25, 2016
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By Joseph Rickert The ability to generate synthetic data with a specified correlation structure is essential to modeling work. As you might expect, R’s toolbox of packages and functions for generating and visualizing data from multivariate distributions is impressive. The basic function for generating multivariate normal data is mvrnorm() from the MASS package included in base R, although the...

## Spatial and Temporal Viz of Gas Price, in France

February 25, 2016
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A great think in France, is that we can play with a great database with gas price, in all gas stations, almost eveyday. The file is rather big, so let’s make sure we have enough memory to run our codes, > rm(list=ls()) To extract the data, first, we should extract the xml file, and then convert it in a...

## Next Kölner R User Meeting: Friday, 26 Feburary 2016

February 23, 2016
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The 17th Cologne R user group meeting is scheduled for this Friday, 26 February 2015. We have two talks, followed by networking drinks. Introduction to Bayesian Regression Models using Stan with the brms package - Paul-Christian Bürkner (Uni Münster)RKWard: A Graphical User Interface and Integrated Development Environment for Statistical Analysis with...