813 search results for "register"

Parallel Simulation of Heckman Selection Model

April 22, 2015
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Parallel Simulation of Heckman Selection Model

Parallel Simulation of Heckman Selection Model One of the, if not the, fundamental problems in observational data analysis is the estimation of the value of the unobserved choice. If the (i^{text{th}}) unit chooses the value of (t) on the basis of some factors (mathbf{x_i}), which may include...

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AusDM 2015 submission deadline extended to Thursday 30 April

April 20, 2015
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AusDM 2015 submission deadline extended to Thursday 30 April

The 13th Australasian Data Mining Conference (AusDM 2015) Sydney, Australia, 8–9 August 2015 (co-located with SIGKDD’15) URL: http://ausdm15.ausdm.org/ The Australasian Data Mining Conference has established itself as the premier Australasian meeting for both practitioners and researchers in data mining. It … Continue reading →

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R 3.2.0 is released (+ using the installr package to upgrade in Windows OS)

April 17, 2015
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R 3.2.0 is released (+ using the installr package to upgrade in Windows OS)

R 3.2.0 (codename “Full of Ingredients”) was released yesterday. You can get the latest binaries version from here. (or the .tar.gz source code from here). The full list of new features and bug fixes is provided below. Upgrading to R 3.2.0 on Windows If you are using Windows you can easily upgrade to the latest version of R using the installr … Continue reading...

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The Problem with Propensity Scores

April 14, 2015
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The Problem with Propensity Scores

Are Propensity Scores Useful? Effect estimation for treatments using observation data isn't always straight forward. For example, it is very common that patients who are treated with a certain medication or procedure are healthier than those who are not treated. Those who aren't treated may not be...

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The Problem with Propensity Scores

April 14, 2015
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The Problem with Propensity Scores

Are Propensity Scores Useful? Effect estimation for treatments using observation data isn't always straight forward. For example, it is very common that patients who are treated with a certain medication or procedure are healthier than those who are not treated. Those who aren't treated may not be...

Read more »

Recreating the vaccination heatmaps in R

April 9, 2015
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Recreating the vaccination heatmaps in R

In February the WSJ graphics team put together a series of interactive visualisations on the impact of vaccination that blew up on twitter and facebook, and were roundly lauded as great-looking and effective dataviz. Some of these had enough data available to look … Continue reading →

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Recreating the vaccination heatmaps in R

April 9, 2015
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Recreating the vaccination heatmaps in R

In February the WSJ graphics team put together a series of interactive visualisations on the impact of vaccination that blew up on twitter and facebook, and were roundly lauded as great-looking and effective dataviz. Some of these had enough data available to look … Continue reading →

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Coarse Grain Parallelism with foreach and rxExec

April 2, 2015
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by Joseph Rickert I have written a several posts about the Parallel External Memory Algorithms (PEMAs) in Revolution Analytics’ RevoScaleR package, most recently about rxBTrees(), but I haven’t said much about rxExec(). rxExec() is not itself a PEMA, but it can be used to write parallel algorithms. Pre-built PEMAs such as rxBTrees(), rxLinMod(), etc are inherently parallel algorithms designed...

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Kaggle AXA Telematics: Trip Matching

April 1, 2015
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Kaggle AXA Telematics: Trip Matching

Contributed by Alex Adler as part of NYCDSA Bootcamp 1, February–April 2015. The following is a repost from my personal blog, approved for use by the NYCDSA. The

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Registration Open for R/Finance 2015!

March 31, 2015
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You can find registration information and agenda details (as they become available) on the conference website.  Or you can go directly to the registration page.  Note that there's an early-bird registration deadl...

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