4704 search results for "git"

Date Formats in R

August 22, 2013
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Importing DatesDates can be imported from character, numeric, POSIXlt, and POSIXct formats using the as.Date function from the base package.If your data were exported from Excel, they will possibly be in numeric format. Otherwise, they will m...

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What are the hottest areas for CS Research? (Based on Google Research 2013)

August 21, 2013
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What are the hottest areas for CS Research? (Based on Google Research 2013)

What are some of the hottest areas of research in Computer Science at the moment (August 2013)? And at which universities is this research being carried out?The answers are subjective by definition, but looking at the numbers behind the Google Research...

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Doodling in R!

August 21, 2013
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Doodling in R!

# I am working on creating some functions that will be capable of creating shapes and plots that look hand drawn. # I have made some progress in this goal. # In that process I have also discovered that I can make some doodles that look hand d...

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Groan – my first R package

August 20, 2013
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Groan – my first R package

Being one of two R experts at my current job I figured I should be familiar with package development. Frankly, I've been procrastinating on this topic since I started using R in 2007 - I was doing just fine with source() and the section of the R manua...

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The financial meltdown, to a trance beat

August 20, 2013
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The financial meltdown, to a trance beat

With the FMS Symphony by csv soundsystem you can listen to the Global Financial Crisis as you watch interest rates plunge while the Treasury floods the market with emergency funds. The source data for the chart and music comes from daily emails (like this one) sent by the US Treasury summarizing the cash spending and borrowing of the Federal...

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Time-series forecasting: Bike Accidents

August 20, 2013
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Time-series forecasting: Bike Accidents

About a year ago I posted this video visualization of all the reported accidents involving bicycles in Montreal between 2006 and 2010. In the process I also calculated and plotted the accident rate using a monthly moving average. The results followed a pattern that was for the most part to be expected. The rate shoots up

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Electronic lab notebook

August 20, 2013
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Electronic lab notebook

I was interested to read C. Titus Brown‘s recent post, “Is version control an electronic lab notebook?” I think version control is really important, and I think all computational scientists should have something equivalent to a lab notebook. But I think of version control as serving needs orthogonal to those served by a lab notebook.

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Print glm-output to HTML table #rstats

August 20, 2013
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Print glm-output to HTML table #rstats

We often use logistic regression models in our analyses and we also often need to publish the results in table format. And, we always use MS Word since this is our standard office in our department. So I thought about … Weiterlesen →

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The PISA2003lite package is released. Let’s explore!

August 20, 2013
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The PISA2003lite package is released. Let’s explore!

Today I’m going to show how to install PISA2003lite, what is inside and how to use this R package. Datasets from this package will be used to compare student performance in four math sub-areas across different countries. At the end of the day we will find out in which areas top performers from different countries

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Warrior Zombies from Outer Space II: Mayhem Unleashed

August 20, 2013
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Warrior Zombies from Outer Space II: Mayhem Unleashed

Given the speed at which I consume them, it's only justified that the first post on this blog is about movies. (Although, by that logic, it could have equally well been about sandwiches, Nutella, or tissue paper. Note to self: Look for a Nutella consumption dataset) Anyway, this post is about movie taglines - specifically, the words that...

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