569 search results for "trading"

Is Bayesian A/B Testing Immune to Peeking? Not Exactly

August 20, 2015
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Is Bayesian A/B Testing Immune to Peeking? Not Exactly

Since I joined Stack Exchange as a Data Scientist in June, one of my first projects has been reconsidering the A/B testing system used to evaluate new features and changes to the site. Our current approach relies on computing a p-value to measure our confidence in a new feature. Unfortunately, this leads to a common pitfall in performing A/B...

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Mango EARL Competition entries

August 18, 2015
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Mango EARL Competition entries

Here is a list of the EARL Competition entries we have received so far: Entry details here “R is the clear choice for quickly prototyping advanced data manipulation and creating analytics dashboards, essential for a fast, informed response to emerging … Continue reading →

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Call for Papers at the Budapest BI and Open Analytics Forum

August 7, 2015
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Call for Papers at the Budapest BI and Open Analytics Forum

Last year, I was extremely happy to see the great success of the R community -- dominating the Budapest BI Forum 2014 with 8 talks and 2 workshops on introductory and some hard-core R topics:"My Journey to R" plenary talk and "Fast and flexible data wr...

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R financial time series tips everyone should know about

July 7, 2015
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There are many R time series tutorials floating around on the web this post is not designed to be one of them. Instead I want to introduce a list of the most useful tricks I came across when dealing with financial time series in R. Some of the functions presented here are incredibly powerful but unfortunately buried in the

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R Consortium News Roundup

July 6, 2015
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In case you missed the news last week, the (https://www.r-consortium.org/news/announcement/2015/06/linux-foundation-announces-r-consortium-support-millions-users-around). This new non-profit trade group will work with the R Foundation to support the R Community and the R Project generally. As you might expect, the announcement generated quite a bit of news in the press. Here are links to some of the coverage: * Venturebeat:...

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The R Consortium: what does it mean for me?

July 2, 2015
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By Andy Nicholls, Head of Consulting Earlier this week a press release from the Linux Foundation formally unveiled The R Consortium: “a group of businesses organized under an open source governance and foundation model to provide support to the R community, … Continue reading →

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PRESS RELEASE: Mango Solutions and The R Consortium

June 30, 2015
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PRESS RELEASE: Mango Solutions and The R Consortium

Mango Solutions announces its key involvement with the newly launched R Consortium to support millions of users around the world   Mango Solutions, the leading data science company based in Europe and with offices in the UK and China are … Continue reading →

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Announcing the R Consortium

June 30, 2015
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Announcing the R Consortium

The R community has grown explosively over the past few years, both in terms of the number of R users and the number of companies who rely on R as their data science platform. To serve the needs of this rapidly growing community, and to continue the success of the R Project as a whole, representatives from the R...

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Big Data and Chess: What are the Predictive Point Values of Chess Pieces?

June 10, 2015
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Big Data and Chess: What are the Predictive Point Values of Chess Pieces?

Who doesn’t like chess? Me! Sure, I like the idea of chess – intellectual masterminds battling each other using nothing but pure thought – the problem is that I tend to loose, probably because I don’t really know how to play well, and because I never practice. I do know one thing: How much the different pieces are worth,...

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Last Post For A While, And Two Premium (Cheap) Databases

June 7, 2015
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Last Post For A While, And Two Premium (Cheap) Databases

This will be my last post on this blog for an indefinite length of time. I will also include an … Continue reading →

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