2621 search results for "Ggplot2"

R: k-Means Clustering on Imaging

September 11, 2014
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R: k-Means Clustering on Imaging

Enough with the theory we recently published, let's take a break and have fun on the application of Statistics used in Data Mining and Machine Learning, the k-Means Clustering.k-means clustering is a method of vector quantization, originally from signa...

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UVA / Charlottesville R Meetup

September 11, 2014
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UVA / Charlottesville R Meetup

TL;DR? We started an R Users group, awesome community, huge turnout at first meeting, lots of potential.---I've sat through many hours of meetings where faculty lament the fact that their trainees (and the faculty themselves!) are woefully ill-prepared...

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Plotly: Here’s What You Can Do, One Year In

September 10, 2014
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Plotly: Here’s What You Can Do, One Year In

Plotly is now a year old. We wanted to update you on what you can do, and let you know how other folks are using Plotly. For example, NASA scientists and engineers track satellites with Plotly. Google Chrome ships a Plotly Chrome App for high school st...

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R version of “An exploratory technique for visualizing the distributions of 100 variables:”

September 10, 2014
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R version of “An exploratory technique for visualizing the distributions of 100 variables:”

Rick Wicklin (@RickWicklin) made a recent post to the SAS blog on An exploratory technique for visualizing the distributions of 100 variables. It’s a very succinct tutorial on both the power of boxplots and how to make them in SAS (of course). I’m not one to let R be “out-boxed”, so I threw together a

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jsonlite gets a triple mushroom boost!

September 5, 2014
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jsonlite gets a triple mushroom boost!

The jsonlite package is a JSON parser/generator optimized for the web. It implements a bidirectional mapping between JSON data and the most important R data types, which allows for converting objects to JSON and back without manual data restructuring. This is ideal for interacting with web APIs, or to build pipelines...

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Looking For Life

September 4, 2014
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Looking For Life

  Machines take me by surprise with great frequency (Alan Turing) Imagine a 8×8 grid in which cells can be alive (black colored) or empty (light gray colored): As with the One-dimensional Cellular Automata, the next state of a cell is a function of the states of the cell’s nearest neighbors (the only neighbors that

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Baseball: Probability of winning conditional on runs, hits, walks and errors

September 2, 2014
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Baseball: Probability of winning conditional on runs, hits, walks and errors

If a team scores X runs, what's the probability it will win the game? The post Baseball: Probability of winning conditional on runs, hits, walks and errors appeared first on Decision Science News.

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RSiteCatalyst Version 1.4 Release Notes

September 1, 2014
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RSiteCatalyst Version 1.4 Release Notes

It felt like it would never happen, but RSiteCatalyst v1.4 is now available on CRAN! There are numerous changes in this version of the package, so unlike previous posts, there won’t be any code examples. THIS VERSION IS ONE BIG BREAKING CHANGE While not the most important improvement, it can’t be stressed enough that migrating Related posts:

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5 Ways to Do 2D Histograms in R

September 1, 2014
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5 Ways to Do 2D Histograms in R

Introduction Lately I was trying to put together some 2D histograms in R and found that there are many ways to do it, with directions on how to do so scattered across the internet in blogs, forums and of course, Stackoverflow.As such I thought I'd give each a go and also put all of them together here...

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How unusual is it for TLDs to resolve to an address at the top most level? (a.k.a. a sneaky, basic introduction to dplyr)

August 29, 2014
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How unusual is it for TLDs to resolve to an address at the top most level? (a.k.a. a sneaky, basic introduction to dplyr)

I saw this on Hacker News this morning and it got me curious as to how many other TLDs (e.g. .com) resolve to an address (i.e. http://uz./ displays a page in your browser since uz. resolves to 91.212.89.8). This is quick work with R and the resolv & iptools packages, plus I threw in a little...

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