2220 search results for "Regression"

RPushbullet 0.2.0

February 9, 2015
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A new releases of the RPushbullet package (interfacing the neat Pushbullet service) arrived on CRAN today. It brings several weeks of extensions, corrections and cleanups---with key contributions by Mike Birdgeneau and Henrik Bengtsson. RPushbullet n...

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Should you teach Python or R for data science?

February 2, 2015
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Last week, I published a post titled Lessons learned from teaching an 11-week data science course, detailing my experiences and recommendations from teaching General Assembly's 66-hour introductory data science course. In the comments, I received the ...

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2015.2: Did the New England Patriots experience a decrease in fumbles starting in 2007?

February 1, 2015
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2015.2: Did the New England Patriots experience a decrease in fumbles starting in 2007?

Here's a timely guest entry from Jeffrey Witmer (Oberlin College). As the “Deflate Gate” saga was unfolding, Warren Sharp analyzed “touches per fumble” for NFL teams before and after 2006, when a rule was changed so that teams playing on the road could provide their own footballs (http://www.sharpfootballanalysis.com/blog/). Sharp noted that, for whatever reason, the...

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From Markdown to LaTeX output using RMarkdown.

January 28, 2015
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From Markdown to LaTeX output using RMarkdown.

I’ve been working on the ggRandomForests vignettes pretty consistently now. I’m writing the randomForestSRC-Survival vignette in LaTeX with the knitr vignette engine. I wrote the the randomForestSRC-Regression vignette in markdown. I’ve decided to upload the Regression vignette to arXiv for… Continue reading →

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From Markdown to LaTeX output using RMarkdown.

January 28, 2015
By
From Markdown to LaTeX output using RMarkdown.

I’ve been working on the ggRandomForests vignettes pretty consistently now. I’m writing the randomForestSRC-Survival vignette in LaTeX with the knitr vignette engine. I wrote the the randomForestSRC-Regression vignette in markdown. I’ve decided to upload the Regression vignette to arXiv for… Continue reading →

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What a Gas! The Falling Price of Oil and Ontario Gasoline Prices

January 27, 2015
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What a Gas! The Falling Price of Oil and Ontario Gasoline Prices

IntroductionIn case you've been living under a rock, there's been a lot of chatter in the financial world late about the price of oil going down. Way, way, down. So much so that the Bank of Canada cut interest rates. What crazy times are these we live in? I thought gas was only going to...

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A first look at Spark

January 22, 2015
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A first look at Spark

by Joseph Rickert Apache Spark, the open-source, cluster computing framework originally developed in the AMPLab at UC Berkeley and now championed by Databricks is rapidly moving from the bleeding edge of data science to the mainstream. Interest in Spark, demand for training and overall hype is on a trajectory to match the frenzy surrounding Hadoop in recent years. Next...

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An Introduction to Change Points (packages: ecp and BreakoutDetection)

January 21, 2015
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An Introduction to Change Points (packages: ecp and BreakoutDetection)

A forewarning, this post is me going out on a limb, to say the least. In fact, it’s a post/project … Continue reading →

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REVIEW OF THE UNIVERSITY OF WASHINGTON DATA SCIENCE CERTIFICATE PROGRAM

January 16, 2015
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REVIEW OF THE UNIVERSITY OF WASHINGTON DATA SCIENCE CERTIFICATE PROGRAM

When I was looking for Data Science certificate programs back in 2013, there were only a few available and most had only graduated one or two cohorts. Even worse, I could not find a single review for any of them. So, this is my review of the University of Washington Data Science certificate. Background: ...

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K-means clustering is not a free lunch

January 15, 2015
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K-means clustering is not a free lunch

I recently came across this question on Cross Validated, and I thought it offered a great opportunity to use R and ggplot2 to explore, in depth, the assumptions underlying the k-means algorithm. The question, and my response, follow. K-means is a widely used method in cluster analysis. In my understanding, this method does NOT require ANY assumptions,...

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