428 search results for "animation"

Don’t get lost in a forest

December 21, 2016
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Don’t get lost in a forest

Exploit the power and simplicity of tree-based models in R. What you’ll find in this post This is a brief intro to tree-based models in non-technical terms and their implementation in R. At the end of this post you’ll be able to apply various learning algorithms to a dataset. Since the post is already pretty The post

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How housing prices have increased around the world

December 12, 2016
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How housing prices have increased around the world

Len Kiefer, Deputy Chief Economist at Freddie Mac, recently posted an analysis of global housing price trends based on the international house price database (from the Dallas Fed). Using those data, Kiefer compared housing trends price increases (and in a couple of places like Spain and Ireland, decreases) across 24 countries. He also looks at the change in affordability...

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The Wordcloud2 library

December 9, 2016
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The Wordcloud2 library

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Announcing pdftools 1.0

December 9, 2016
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This week we released version 1.0 of the ropensci pdftools package to CRAN. Pdftools provides utilities for extracting text, fonts, attachments and other data from PDF files. It also supports rendering of PDF files into bitmap images. This release has a few internal enhancements and fixes an annoying bug for landscape PDF pages. The version bump to 1.0 signifies...

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Euler Problem 2: Even Fibonacci Numbers

December 7, 2016
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Euler Problem 2: Even Fibonacci Numbers

Solutions to Euler Problem 2 in the R language for statistical computing. This problem asks to sum even numbers in the Fibonacci sequence whose values do not exceed four million. Continue reading → The post Euler Problem 2: Even Fibonacci Numbers appeared first on The Devil is in the Data.

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Forecast double seasonal time series with multiple linear regression in R

December 2, 2016
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Forecast double seasonal time series with multiple linear regression in R

I will continue in describing forecast methods, which are suitable to seasonal (or multi-seasonal) time series. In the previous post smart meter data of electricity consumption were introduced and a forecast method using similar day approach was proposed. ARIMA and exponential smoothing (common methods of time series analysis) were used as forecast methods. The biggest disadvantage of this...

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Putting data on maps using R: easier than ever

November 23, 2016
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Putting data on maps using R: easier than ever

Using R to add data to maps has been pretty straightforward for a few years now. That said, it seems easier than ever to do things like use map APIs (e.g. Google, Open Street Map), overlay quite complex data visualisations (e.g. “heatmap-style” densities) and even generate animations. A couple of key R packages in this

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Popularity of Baby Names Since 1880

November 20, 2016
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Popularity of Baby Names Since 1880

A while back I spent some time figuring out how to serve interactive shiny apps through my website, but I haven't had a chance to build anything until recently. I set out to create a few simple shiny apps in R that I could use as a sort of test run, and I'm writing those up here. In this...

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Notable New and Updated R packages (to October 2016)

November 17, 2016
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As we prepare for the upcoming release of Microsoft R Open, I've been preparing the list of new and updated packages for the spotlights page. This involves scanning the CRANberries feed (with gracious thanks to Dirk Eddelbuettel) for newly-released packages and significant updates to existing ones. This is a lot of data to process. For context, in October 2016...

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mapmate 0.2.0

November 15, 2016
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mapmate 0.2.0

mapmate has now been updating from version 0.1.0 to 0.2.0 on Github. The key change is the incorporation of new functions, help docs and code examples focused on network maps, which is a more complex map type not previously covered. The new tutorial content below provides a a couple basic code examples for making network

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