2662 search results for "ggplot2"

What size will you be after you lose weight?

November 14, 2014
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What size will you be after you lose weight?

REDDITORS’ BEFORE AND AFTER MEASUREMENTS ANALYZED Click to enlarge How many pounds do you need to lose in order to reduce your waistline by one inch? How many kilos do you need to lose to reduce your waistline by one centimeter? We wanted to find out. We were having trouble finding published data (though we The post

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How to Summarize a 2D Posterior Using a Highest Density Ellipse

November 13, 2014
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How to Summarize a 2D Posterior Using a Highest Density Ellipse

Making a slight digression from last month’s Probable Points and Credible Intervals here is how to summarize a 2D posterior density using a highest density ellipse. This is a straight forward extension of the highest density interval to the situation where you have a two-dimensional posterior (say, represented as a two column matrix of samples) and you want...

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Basic mapping and attribute joins in R

November 9, 2014
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Basic mapping and attribute joins in R

This post is based on the free and open source Creating-maps-in-R teaching resource for introducing R as a command-line GIS. R is well known as an language ideally suited for data processing, statistics and modelling. R has a number of spatial packages, allowing analyses that would require hundreds of lines of code in other languages to be implemented with...

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The completeness of online gun shooting victim counts

November 9, 2014
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The completeness of online gun shooting victim counts

There are a number of on line efforts to register victims of shootings online. Shootingtracker tries to register all mass shootings, those with four or more victims. Slate had the gun death tally (GDT), gun deaths starting at Newtown, running thro...

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Introduction to Data Science with R video workshop

November 6, 2014
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Introduction to Data Science with R video workshop

RStudio has teamed up with O’Reilly media to create a new way to learn R! The Introduction to Data Science with R video course is a comprehensive introduction to the R language. It’s ideal for non-programmers with no data science experience or for data scientists switching to R from Excel, SAS or other software. Join

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Improving R Data Visualisations Through Design

November 6, 2014
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Improving R Data Visualisations Through Design

When I start an R class, one of my opening lines is nea

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Creating More Effective Graphs

November 4, 2014
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Creating More Effective Graphs

A few years ago I ordered a copy of the 2005 edition of Creating More Effective Graphs by Naomi Robbins. Somewhat shamefully I admit that the book got buried beneath a deluge of papers and other books and never received the attention it was due. Having recently discovered the R Graph Catalog, which implements many

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A Little Present For Coldplay

November 3, 2014
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A Little Present For Coldplay

Gravity, release me, and don’t ever hold me down, now my feet won’t touch the ground (Coldplay, Life In Technicolor II) Inspired by this nice post and by this cover of a Coldplay’s album: I have dared to do this using ggplot, polar coordinates and Google Fonts: Coldplay: feel free to use it for some future album.

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Variability of weather forecasts

November 2, 2014
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Variability of weather forecasts

Have you wondered how stable are weather forecasts? Since curiosity + R = fun, let’s do a little test. I’ve used a function getWeatherForecast {SmarterPoland} (github release) to download weather forecasts from the Dark Sky API. Hourly forecasts are downloaded every 10 minutes and stored in this repository based on archivist package (it’s easier to

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Exploration of Letter Make Up of English Words

October 31, 2014
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Exploration of Letter Make Up of English Words

This blog post will do a quick exploration of the grapheme make up of words in the English. Specifically we will use R and the qdap package to answer 3 questions: What is the distribution of word lengths (number of … Continue reading →

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