1291 search results for "Maps"

Mapping (historic) tracks in ggplot2

October 10, 2016
By

This tutorial was first published in “Geocomputation a Practical Primer“. Here is a more complex example showing how to produce a map of 18th Century Shipping flows. The data have been obtained from the CLIWOC project and they represent a sample of digitised ships’ logs from the 18th Century. We are using a very small

Read more »

Data Scientist with a Wine hobby (Part II)

October 9, 2016
By
Data Scientist with a Wine hobby (Part II)

Getting introduced to Google and their API Previously we constructed a data frame that consisted out of the following variables that we might want to perform analysis on: ## "wine_farms" "wine_year" "wine_name" "points" "price" ## ...

Read more »

Cartograms with R

October 9, 2016
By
Cartograms with R

Abstract We show how to create cartograms with R by illustrating the population and age-distribution of the planning regions of Berlin by static plots and animations. This work is licensed under a Creative Commons Attribution-ShareAlike 4.0 International License. The markdown+Rknitr source code of this blog is available under a

Read more »

Next Kölner R User Meeting: Friday 14 October

October 9, 2016
By
Next Kölner R User Meeting: Friday 14 October

The 19th Cologne R user group meeting is scheduled for this Friday, 14 October 2016. We have three talks, followed by networking drinks. Introduction to the tidyverse tools - Jiddu AlexanderPerformance profiling and improvement in R - Nils GlückBatch ...

Read more »

Map of Middle Earth in R

October 8, 2016
By
Map of Middle Earth in R

Map of Middle EarthThe map above was created using ggplot2, ggmaps, and maptools in R.  These are just a few of the great R packages available for cartography and geographic applications.  Many readers of this blog will be familiar with these packages and more recent R package additions like leaflet.  But great...

Read more »

text2vec 0.4

October 6, 2016
By
text2vec 0.4

Introducing text2vec 0.4 Today I’m pleased to announce new major release of text2vec - text2vec 0.4 which is already on CRAN. For those readers who is not familiar with text2vec - it is an R package which provides an efficient framework with a concise API for text analysis and natural language processing. With this release I also launched project homepage -...

Read more »

Using the dataRetrieval Stats Service

October 4, 2016
By
Using the dataRetrieval Stats Service

Introduction This script utilizes the new dataRetrieval package access to the USGS Statistics Web Service. We will be pulling daily mean data using the daily value service in readNWISdata, and using the stats service data to put it in the context of the site’s history. Here we are retrieving data for July 12th in the Upper Midwest, where a...

Read more »

Visualizing Arkansas traffic fatalities, Part 2

September 30, 2016
By
Visualizing Arkansas traffic fatalities, Part 2

A couple of weeks ago, I posted a map of the traffic fatalities in Arkansas in 2015. The data came from the NHTSA, and the graphic I posted was just scratching the surface. I’ve sliced the data a couple of different ways and created three more sets of visualizations about that data. For the next three posts, I’ll show...

Read more »

Simplify polygons without creating slithers

September 29, 2016
By
Simplify polygons without creating slithers

When simplifying polygons it’s almost inevitable that you will generate some slither polygons or gaps between the correct polygons. For example, the following image shows two adjoining complex polygons, representing two adjoining administrative areas. Note there are no gaps between the polygons; they are contiguous (the border is between Sheffield and Barnsley LADs, by the

Read more »

DESeq2 Course Work

September 28, 2016
By
DESeq2 Course Work

The following workflow has been designed as teaching instructions for an introductory course to RNA-seq data analysis with DESeq2. The course is designed for PhD students and will be given at the University of Münster from 10th to 21st of October...

Read more »

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)