3010 search results for "ggplot"

The perfect t-test

May 18, 2015
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The perfect t-test

I've created an easy to use R script that will import your data, and performs and writes up a state-of-the-art dependent or independent t-test. The goal of this script is to examine whether more researcher-centered statistical tools (i.e., a one-click analysis script that checks normality assumptions, calculates effect sizes and their confidence intervals, creates good figures,...

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Analyzing R-Bloggers’ posts via Twitter

May 18, 2015
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Analyzing R-Bloggers’ posts via Twitter

For those who don’t know, every time a new blog post gets added to R-Bloggers, it gets a corresponding tweet by @Rbloggers, which gets seen by Rbloggers’ ~20k followers fairly fast. And every time my post gets published, I can’t help but check up on how many people gave that tweet some Twitter love, ie. “favorite”d or...

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Analyzing R-Bloggers’ posts via Twitter

May 18, 2015
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Analyzing R-Bloggers’ posts via Twitter

For those who don’t know, every time a new blog post gets added to R-Bloggers, it gets a corresponding tweet by @Rbloggers, which gets seen by Rbloggers’ ~20k followers fairly fast. And every time my post gets published, I can’t help but check up on how many people gave that tweet some Twitter love, ie. “favorite”d or...

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Interactive maps for the web in R

May 15, 2015
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Interactive maps for the web in R

Static MapsIn the last post I showed how to download economic data from the World Bank's website and create choropleth maps in R (Global Economic Maps).In this post I want to focus more on how to visualize those maps.Sp PackageProbably the simplest way...

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U.S. Drought Monitoring With Hexbin State Maps in R

May 15, 2015
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U.S. Drought Monitoring With Hexbin State Maps in R

On the news, today, of the early stages of drought hitting the U.S. northeast states I decided to springboard off of yesterday’s post and show a more practical use of hexbin state maps than the built-in (and still purpose unknown to me) “bees” data. The U.S. Drought Monitor site supplies more than just a pretty

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GeoJSON Hexagonal “Statebins” in R

May 14, 2015
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GeoJSON Hexagonal “Statebins” in R

There’s been lots of buzz about “statebin” maps of late. A recent tweet by @andrewxhill referencing work by @dannydb pointed to a nice shapefile that ends up being a really great way to handle statebin maps (and I feel like a fool for not considering it for a more generic solution earlier). Here is the

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A first look at htmlwidgets

May 14, 2015
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by Joseph Rickert A strong case can be made that base R graphics supplemented with either the lattice library or ggplot2 for plotting by subgroups provides everything a statistician might need for both exploratory data analysis and for developing clear, crisp for communicating results. However, it is abundantly clear that web based graphics, driven to a large extent by...

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Bertrand or (The Importance of Defining Problems Properly)

May 13, 2015
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Bertrand or (The Importance of Defining Problems Properly)

We better keep an eye on this one: she is tricky (Michael Banks, talking about Mary Poppins) Professor Bertrand teaches Simulation and someday, ask his students: Given a circumference, what is the probability that a chord chosen at random is longer than a side of the equilateral triangle inscribed in the circle? Since they must reach the … Continue reading...

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Agent Based Modelling with data.table OR how to model urban migration with R

May 12, 2015
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Agent Based Modelling with data.table OR how to model urban migration with R

Introduction Recently I found a good introduction to the Shelling-Segregation Model and to Agent Based Modelling (ABM) for Python (Binpress Article by Adil). The model follows an ABM approach to simulate how urban segregation can be explained. I will concentrate on the R-code, if you want to know more about the Shelling-Segregation Model (which brought

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Agent Based Modelling with data.table OR how to model urban migration with R

May 12, 2015
By
Agent Based Modelling with data.table OR how to model urban migration with R

Introduction Recently I found a good introduction to the Shelling-Segregation Model and to Agent Based Modelling (ABM) for Python (Binpress Article by Adil). The model follows an ABM approach to simulate how urban segregation can be explained. I will concentrate on the R-code, if you want to know more about the Shelling-Segregation Model (which brought

Read more »

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