428 search results for "animation"

Metro Systems Over Time: Part 2

January 26, 2017
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Metro Systems Over Time: Part 2

Note, at the time of this writing using the packages ggplot2 and ggmap from CRAN will result in an error. To avoid the error be sure to install both packages from GitHub with the package devtools and restart R if the problem persists. devtools::install_github("dkahle/ggmap") devtools::install_github("hadley/ggplot2") Introduction In Part 1 of this series we collected geodata Related Post

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Metro Systems Over Time: Part 1

January 21, 2017
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Metro Systems Over Time: Part 1

Note, at the time of this writing using the packages ggplot2 and ggmap from CRAN will result in an error. To avoid the error be sure to install both packages from GitHub with the package devtools and restart R if the problem persists. devtools::install_github("dkahle/ggmap") devtools::install_github("hadley/ggplot2") Introduction Metro systems are an interesting way to learn more Related Post

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Learn R before Python

January 16, 2017
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Learn R before Python

This is not the usual R vs Python post you can find online, in fact I won’t discuss whether one is better than the other. I will show to you why a learner who wants to learn data science will have an advantage by starting with R. Vectors What are vectors? If you know matrices, The post

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Let’s get started with dplyr

January 12, 2017
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Let’s get started with dplyr

The dplyr package by Hadley Wickham is a very useful package that provides “A Grammar of Data Manipulation”. It aims to simplify common data manipulation tasks, and provides “verbs”, i.e. functions that correspond to the most common data manipulation tasks. Have fun playing with dplyr in the exercises below! Answers to the exercises are available

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Cross-validation of topic modelling

January 4, 2017
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Cross-validation of topic modelling

Determining the number of “topics” in a corpus of documents In my last post I finished by topic modelling a set of political blogs from 2004. I made a passing comment that it’s a challenge to know how many topics to set; the R topicmodels pack...

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Outlier App: An Interactive Visualization of Outlier Algorithms

December 30, 2016
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Outlier App: An Interactive Visualization of Outlier Algorithms

I was recently trying various outlier detection algorithms. For me, the best way to understand an algorithm is to tinker with it. I built a shiny app that allows you to play around with various outlier algorithms and wanted to share it with everyone. The shiny app is available on my site, but even better, Related Post

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Making Shiny apps awesome

Making Shiny apps awesome

A week before Christmas our CTO, Marek Rogala gave a speech about ways to make Shiny apps do much more than usual during R enthusiasts meeting in Warsaw. In case you have missed this event we have published his presentation online: NOTE! in this pr...

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Merry ChRistmas!

December 23, 2016
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Merry ChRistmas!

Christmas day is soon upon us, so here's a greeting made with R: Each frame is a Voronoi Tesselation: about 1,000 points are chosen across the plane, which each generate a polygon comprising the region closer to it than any other selected point. These process is repeated for three designs (a heart, the word "Merry", and the word "Xmas"),...

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Merry Christmas 2016 (with R)

December 22, 2016
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Merry Christmas 2016 (with R)

I'd like to wish all my readers a Merry Christmas 2016- R style! Behold my 3d Christmas tree created using the plot3D R package: While this might seem like yet another Christmas decoration done in R, it is unique in that the tree is rendered in 3d perspective. I myself wrote...

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Animating Plots of Beer Ingredients and Sin Taxes over Time

December 21, 2016
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Animating Plots of Beer Ingredients and Sin Taxes over Time

With the upcoming holidays, I thought it fitting to finally explore the ttbbeer package. It contains data on beer ingredients used in US breweries from 2006 to 2015 and on the (sin) tax rates for beer, champagne, distilled spirits, wine and various tob...

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