1121 search results for "MAPS"

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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Next Kölner R User Meeting: 26 February 2014

February 25, 2014
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Next Kölner R User Meeting: 26 February 2014

The next Cologne R user group meeting is scheduled for tomorrow, 26 February 2014. We are delighted to welcome: Diego de Castillo: R and databases Kim Kuen Tang: Hands on using R and kdb+ together Frank Celler: ArangoDB (Lightning Talk) Further details and the agenda are available on our KölnRUG Meetup site. Please sign up if you would like to come...

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A survival guide to Data Science with R, from Graham Williams

February 21, 2014
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Graham Williams is the Lead Data Scientist at the Australian Taxation Office, and the creator of Rattle, an open-source GUI for data mining with R. (Check out some recent reviews/demos of Rattle on this blog here and here.) Dr Williams continues his many contributions to the R community with One Page R, a "Survival Guide to Data Science with...

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Forecasting within limits

February 21, 2014
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Forecasting within limits

It is common to want forecasts to be positive, or to require them to be within some specified range . Both of these situations are relatively easy to handle using transformations. Positive forecasts To impose a positivity constraint, simply work on the log scale. With the forecast package in R, this can be handled by specifying the Box-Cox parameter...

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