2903 search results for "ggplot"

Visualizing population density

August 3, 2015
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Visualizing population density

MANHATTAN IS MORE EXTREME THAN YOU THINK IN POPULATION DENSITY Slinging numbers around all day, one adage we believe is that most surprising statistics are wrong. But here’s one that’s not: When you look at the 100 most populous counties in the USA, Manhattan (aka New York County) has about twice the population density of The post

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Going Bananas #2: A Needle In A Haystack

August 3, 2015
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Going Bananas #2: A Needle In A Haystack

Now I’m gonna tell my momma that I’m a traveller, I’m gonna follow the sun (The Sun, Parov Stelar) Inspired by this book I read recently, I decided to do this experiment. The idea is comparing how easy is to find sequences of numbers inside Pi, e, Golden Ratio (Phi) and a randomly generated number. … Continue reading...

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Interview with a Data Scientist (Hadley Wickham)

August 2, 2015
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Interview with a Data Scientist (Hadley Wickham)

Originally posted on Models are illuminating and wrong:I recently interviewed Hadley Wickham the creator of Ggplot2 and a famous R Stats person. He works for RStudio and his job is to work on Open Source software aimed at Data Geeks. Hadley is famous for his contributions to Data Science tooling and inspires a lot…

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Survival Analysis – 1

August 2, 2015
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I recently was looking for methods to apply to time-to-event data and started exploring Survival Analysis Models. In this post, I'm exploring basic KM estimator which is a nonparametric estimator of the survival function using a real dataset (on time t...

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Airline Performance Comparison with R/Shiny

August 2, 2015
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Airline Performance Comparison with R/Shiny

Open R shiny App from a new window here! Play with the App here: In this project I set out to build an interactive app to

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Streamgraphs in R

July 31, 2015
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Streamgraphs in R

It's not easy to visualize a quantity that varies over time and which is composed of more than two subsegments. Take, for example, this stacked bar chart of religious affiliation of the Australian population, by time: While it's easy to see the how the share of Anglicans (at the bottom of the chart) has changed over time, it's much...

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15 Questions All R Users Have About Plots

July 30, 2015
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15 Questions All R Users Have About Plots

R allows you to create different plot types, ranging from the basic graph types like density plots, dot plots, bar charts, line charts, pie charts, boxplots and scatter plots, to the more statistically complex types of graphs such as probability plots, mosaic plots and correlograms. In addition, R is pretty known for its data visualization The post

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MRAN’s Packages Spotlight

July 30, 2015
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MRAN’s Packages Spotlight

by Joseph Rickert New R packages just keep coming. The following plot, constructed with information from the monthly files on Dirk Eddelbuettel's CRANberries site, shows a plot of the number of new packages released to CRAN between January 1, 2013 and July 27, 2015 by month (not quite 31 months). This is amazing growth! The mean rate is about...

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Introducing the nominatim geocoding package

July 29, 2015
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Introducing the nominatim geocoding package

In the never-ending battle for truth, justice and publishing more R packages than Oliver, I whipped out an R package for the OpenStreetMap Nominatim API. It actually hits the MapQuest Nominatim Servers for most of the calls, but the functionality is the same. The R package lets you: address_lookup: Lookup the address of one or

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R tutorial on the Apply family of functions

July 28, 2015
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R tutorial on the Apply family of functions

Introduction In our previous tutorial Loops in R: Usage and Alternatives , we discussed one of the most important constructs in programming: the loop.  Eventually we deprecated the usage of loops in R in favor of vectorized functions. In this post we highlight some of the most used vectorized functions: the apply functions. In the present post we show the use The post

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