R

Blogs on the R software.

Florid’AISTATS

August 30, 2016
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Florid’AISTATS

The next AISTATS conference is taking place in Florida, Fort Lauderdale, on April 20-22. (The website keeps the same address one conference after another, which means all my links to the AISTATS 2016 conference in Cadiz are no longer valid. And that the above sunset from Florida is named… cadiz.jpg!) The deadline for paper submission […]

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CFP: AusDM 2016 paper submission extended to 2 Sept

August 19, 2016
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CFP: AusDM 2016 paper submission extended to 2 Sept

14th Australasian Data Mining Conference (AusDM 2016) Canberra, Australia, 6-8 December 2016 URL: http://ausdm16.ausdm.org/ Join us on LinkedIn: http://www.linkedin.com/groups/AusDM-4907891 The Australasian Data Mining Conference has established itself as the premier Australasian meeting for both practitioners and researchers in data mining. … Continue reading →

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Trading strategy: Making the most of the out of sample data

August 19, 2016
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Trading strategy: Making the most of the out of sample data

When testing trading strategies a common approach is to divide the initial data set into in sample data: the part of the data designed to calibrate the model and out of sample data: the part of the data used to validate the calibration and ensure that the performance created in sample will be reflected in the […]

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Probably the most useful R function I’ve ever written

August 15, 2016
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The function in question is scriptSearch. I’m not much for superlatives — “most” and “best” imply one dimension, but we live in a multi-dimensional world. I’m making an exception. The statistic I have in mind for this use of “useful” is the waiting time between calls to the function divided by the human time saved […] The post Probably the most useful R function I’ve ever written appeared first on…

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Deep Learning in R

August 14, 2016
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Deep Learning in R

Deep learning has a wide range of applications, from speech recognition, computer vision, to self-driving cars and mastering the game of Go. While the concept is intuitive, the implementation is often tedious and heuristic. We will take a stab at sim...

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Yet the Worst Olympic Chart

August 6, 2016
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Yet the Worst Olympic Chart

Ah, the numbers! The Olympic Games are back in high style in Rio. Despite Brazil’s sluggish economy and unfulfilled promises for this Summer Olympic Games, I’d say, my expectations were met yesterday with such a beautiful opening ceremony. Let’s ...

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Seminar: Data Mining for Biosecurity Regulation, University of Canberra, Wednesday 10 Aug 2016

August 1, 2016
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Seminar: Data Mining for Biosecurity Regulation, University of Canberra, Wednesday 10 Aug 2016

Topic: Data Mining for Biosecurity Regulation Speaker: A/Prof. Andrew Robinson, Melbourne University When: 4:30pm-5:30pm, Wednesday 10 Aug 2016 Where: 9A1 (Building 9, Room A1), University of Canberra. See UC map at http://www.canberra.edu.au/maps/pdf-maps/UC-Bruce-Campus-Map.pdf RSVP: http://www.meetup.com/CanberraDataSci/events/233033578/ Abstract: The Department of Agriculture and … Continue reading →

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Round values while preserve their rounded sum in R

July 28, 2016
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After an embarrassing teleconference in which I presented a series of percentages that did not sum to 100 (as they should have), I found some R code on stackoverflow.com to help me to avoid this in the future. In general, the sum of rounded numbers (e.g., using the base::round function) is not the same as … Continue reading Round values while preserve their rounded sum in R →

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Bayesian Essentials with R [book review]

July 27, 2016
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Bayesian Essentials with R [book review]

[A review of Bayesian Essentials that appeared in Technometrics two weeks ago, with the first author being rechristened Jean-Michael!] “Overall this book is a very helpful and useful introduction to Bayesian methods of data analysis. I found the use of R, the code in the book, and the companion R package, bayess, to be helpful […]

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Notes from the 4th R in Insurance Conference

July 27, 2016
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Notes from the 4th R in Insurance Conference

The 4th R in Insurance conference took place at Cass Business School London on 11 July 2016. This one-day conference focused once more on the wide range of applications of R in insurance, actuarial science and beyond. The conference programme covered t...

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