997 search results for "MAPS"

Rcpp 0.11.1

March 14, 2014
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A new minor release 0.11.1 of Rcpp is now on the CRAN network for GNU R; binaries for Debian have also been uploaded. The release fixes a number of bugs that have come up since the 0.11.0 release in January, but also brings some extensions. See t...

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Aggregation of point data to polygons MKII – US states

March 14, 2014
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Aggregation of point data to polygons MKII – US states

After a colleague of mine requested an illustration of the aggregation technique that was part of an introduction to spatial data in R, I decided to revisit aggregation. The first article I posted here on the subject used data from London; this one is slightly different, using Twitter data aggregated to the state level in the USA. All example code...

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Aggregation of point data to polygons MKII – US states

March 14, 2014
By
Aggregation of point data to polygons MKII – US states

After a colleague of mine requested an illustration of the aggregation technique that was part of an introduction to spatial data in R, I decided to revisit aggregation. The first article I posted here on the subject used data from London; this one is slightly different, using Twitter data aggregated to the state level in the USA. All example code...

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Slidify my R journey from @matlabulous to rCrimemap

March 12, 2014
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Slidify my R journey from @matlabulous to rCrimemap

My LondonR Talk Thanks to Mango Solutions (LondonR organiser), I was given the opportunity last night to talk about my mini project ‘CrimeMap’. Instead of going through all the technical details behind the scenes, I chose to talk the audience through my R journey from a noob to a heavy user. CrimeMap was used as a...

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Web Scraping: working with APIs

March 12, 2014
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APIs present researchers with a diverse set of data sources through a standardised access mechanism: send a pasted together HTTP request, receive JSON or XML in return. Today we tap into a range of APIs to get comfortable sending queries and processing...

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Package rinat use case: map of iNaturalist project

March 11, 2014
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Package rinat use case: map of iNaturalist project

iNaturalist projects are collection of records posted on iNatualist. Now that we have a R package rinat from rOpenSci I thought of playing around with the data. Here is a function I wrote, to quickly map all the records of a project using ggmap package. We can used get_inat_obs_project function from rinat package to get

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Package rinat use case: map of iNaturalist project

March 11, 2014
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Package rinat use case: map of iNaturalist project

iNaturalist projects are collection of records posted on iNatualist. Now that we have a R package rinat from rOpenSci I thought of playing around with the data. Here is a function I wrote, to quickly map all the records of a project using ggmap package. We can used get_inat_obs_project function from rinat package to get

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Sustainability of water use in agriculture

March 9, 2014
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Sustainability of water use in agriculture

AQUASTAT, developed and maintained by the Food and Agriculture Organization of the UN, is the global database that gives quantitative information on water resources and withdrawal of water for different uses. Agricultural water withdrawal is defined as follows: Annual quantity of self-supplied water withdrawn for irrigation, livestock and aquaculture purposes. It includes water from primary

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RUG-Philippines Meetup: Markov Switching Models in R

March 7, 2014
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To the R users based in the Philippines, there will be upcoming meetup, here are the details:topics: Markov Switching Models in R           by Ohly Santos           How to use the op...

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Reading OECD.Stat into R

March 1, 2014
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Reading OECD.Stat into R

OECD.Stat is a commonly used statistics portal in the research world but there are no easy ways (that I know of) to query it straight from R. There are two main benefits of querying OECD.Stat straight from R: 1. Create reproducible analysis (something that is easily lost if you have to download excel files) 2.

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