510 search results for "hadoop"

Help improve treatment for brain injuries using machine learning and R

April 4, 2016
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Help improve treatment for brain injuries using machine learning and R

The field of neuroscience -- the study of brains and the nervous system -- has taken some major leaps in recent years. Scientists can now gather real-time electrical activity from the brain during actions and thoughts, which is helping to pinpoint the exact location of brain lesions caused by strokes, and is leading to promising treatments for epilepsy and...

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A bit on the F1 score floor

April 2, 2016
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A bit on the F1 score floor

At Strata+Hadoop World “R Day” Tutorial, Tuesday, March 29 2016, San Jose, California we spent some time on classifier measures derived from the so-called “confusion matrix.” We repeated our usual admonition to not use “accuracy” as a project goal (business people tend to ask for it as it is the word they are most familiar … Continue reading...

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yorkr crashes the IPL party! – Part 2

April 2, 2016
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yorkr crashes the IPL party! – Part 2

Most people say that it is the intellect which makes a great scientist. They are wrong: it is character. Albert Einstein *Science is organized knowledge. Wisdom is organized life.“* Immanuel Kant If I have seen further, it is by standing on the shoulders of giants Isaac Newton Valid criticism does you a favor. Carl Sagan

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Upcoming Win-Vector LLC appearances

March 23, 2016
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Upcoming Win-Vector LLC appearances

Win-Vector LLC will be presenting on statistically validating models using R and data science at: Strata+Hadoop World “R Day” Tutorial 9:00am–5:00pm Tuesday, March 29 2016, San Jose, California. ODSC San Francisco Meetup, 6:30pm-9:00pm Thursday, March 31, 2016, San Francisco, California. We will share code and examples. Registration required (and Strata is a paid conference). Please … Continue reading...

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Bay Area R User Group at Strata and PAW

March 10, 2016
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by Joseph Rickert I always think of Strata Hadoop World and Predictive Analytics World as initiating the Spring conference season here in the San Francisco Bay Area. The rainy season is usually over by the end of March and it is a perfect time to visit. If you are traveling to either of these conferences from out of town...

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Data Science Virtual Machine updated with Microsoft R Server

March 2, 2016
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Data Science Virtual Machine updated with Microsoft R Server

Microsoft has updated the Data Science Virtual Machine, a data science toolkit-in-a-box that you can easily spin up on the Microsoft Azure cloud service. The virtual machine now comes pre-configured with Microsoft R Server Developer Edition (upgraded from Microsoft R Open), Anaconda Python, Jupyter notebooks for Python and R, Visual Studio Community Edition, Power BI desktop, and SQL Server...

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Vertica doesn’t suit ML or ‘Why I stopped using the Vertica R package’

February 28, 2016
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Vertica doesn’t suit ML or ‘Why I stopped using the Vertica R package’

2 Years, are a long time. For a blogger wannabe for sure. 2 years since my last post, a lot has happened and my skills have broadened beyond R, so this R dedicated blog, might not speak about R so much, maybe some other things. I’ve received some good comments from readers and friends on my contribution

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Nairobi Data Science Meet Up:Finding deep structures in data with Chris Orwa

February 22, 2016
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I sat down with former rugby school captain whose rugby career was cut short by a shoulder injury while playing for Black Blad at Kenyatta University. It is always a great pleasure to talk to someone who is extremely passionate about what he does and his passion for Data Science was evident during my chat with “BlackOrwa” at iHub...

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Read from hdfs with R. Brief overview of SparkR.

February 19, 2016
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Disclaimer: originally I planned to write post about R functions/packages which allow to read data from hdfs (with benchmarks), but in the end it became more like an overview of SparkR capabilities. Nowadays working with “big data” almost always means working with hadoop ecosystem. A few years ago this also meant that you also would have to be a good...

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Discount promo code for R courses in Statistics.com

February 15, 2016
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Statistics.com is an online learning website with 100+ courses in statistics, analytics, data mining, text mining, forecasting, social network analysis, spatial analysis, etc. They have kindly agreed to offer R-Bloggers readers a reduced rate of $399 for any of their 23 courses in R, Python, SQL or SAS (a saving of $150-$200).  These are high-impact courses, each 4-weeks long (normally costing...

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