843 search results for "Register"

Knoxville, TN: R for Text Analysis Workshop

January 19, 2017
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Knoxville, TN: R for Text Analysis Workshop

The Knoxville R Users Group is presenting a workshop on text analysis using R by Bob Muenchen. The workshop is free and open to the public. You can join the group at https://www.meetup.com/Knoxville-R-Users-Group. A description of the workshop follows. R for … Continue reading →

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Diversity in the R Community

January 18, 2017
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Diversity in the R Community

In the follow-up to the useR! conference in Stanford last year, the Women in R Task force took the opportunity to survey the 900-or-so participants about their backgrounds, experiences and interests. With 455 responses, the recently-published results provide an interesting snapshot about the R community (or at least that subset able to travel to the US and who were...

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EARL 2017: Abstract submissions open for San Francisco and London + San Francisco dates and venue announced

January 17, 2017
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Share your knowledge – speak at EARL 2017 Mango Solutions are delighted to announce the call for abstracts for EARL London and EARL San Francisco 2017. EARL (Effective Applications of the R Language) focuses on the commercial usage and business … Continue reading →

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Feature Selection in Machine Learning (Breast Cancer Datasets)

January 14, 2017
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Feature Selection in Machine Learning (Breast Cancer Datasets)

Machine learning uses so called features (i.e. variables or attributes) to generate predictive models. Using a suitable combination of features is essential for obtaining high precision and accuracy. Because too many (unspecific) features pose the prob...

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Structural Equation Modelling in R (Part 2)

January 14, 2017
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Structural Equation Modelling in R (Part 2)

Brief explanation This is the second part in a series on three articles about Structural Equation Modelling (SEM). This time I am glad to announce Jodie Burchell as a co-writer! In Structural Equation Modelling in R (Part 1) I explained the basics of CFA. SEM was explained as a general case of CFA that was going be explained later,...

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Upcoming Webinar: Positioning Your Data Science Portfolio

January 9, 2017
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Upcoming Webinar: Positioning Your Data Science Portfolio

This Wednesday at 10am I will be hosting a webinar with Philip Morgan on Positioning Your Data Science Portfolio. If you are interested in creating a Data... The post Upcoming Webinar: Positioning Your Data Science Portfolio appeared first on AriLamstein.com.

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mlr Workshop 2017

January 8, 2017
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When and Where? In 2017, we are hosting the workshop at LMU Munich. The workshop will run from 6 March to 10 March 2017 (potentially including the sunday before and the saturday at the end), hosted by the Ludwig-Maximilians-University Munich (Address: Geschwister-Scholl-Platz 1, Room: M203). It is also possible to arrive on Saturday or Sunday, as we already have the...

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Beat the Market with Meucci and Markowitz

January 5, 2017
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Beat the Market with Meucci and Markowitz

  Introduction I am very excited to finally share some of my research exploring Meucci’s (Meucci (2005)) portfolio optimization methods, and how the resulting portfolios compare to the use of historical data. For those unfamiliar with Attilio Meucci, he runs an annual Advanced Risk and Portfolio Managment Bootcamp in New York City every summer. The … Continue...

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EVENT Announcement: EARL Conferences 2017

January 4, 2017
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Mango Solutions are delighted to announce that the Effective Applications of the R Language Conference (EARL) will be held in three locations this year: San Francisco Bay Area – June 2017 London – 12-14 September 2017 Boston – November 2017 … Continue reading →

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Cross-validation of topic modelling

January 4, 2017
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Cross-validation of topic modelling

Determining the number of “topics” in a corpus of documents In my last post I finished by topic modelling a set of political blogs from 2004. I made a passing comment that it’s a challenge to know how many topics to set; the R topicmodels pack...

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