SQL Server 2016 Release: The Good News and the Better News

The good news is that SQL Server 2016 has been released and is now available. This version has been anticipated with some excitement since it eclipses previous releases in both the number of new features and the improvements and extensions to existing features. The better news, at least to developers like myself, is that Microsoft […]
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Setting Memory Limits for R in SQL Server 2016

In previous blogs, we’ve looked at the potential for integrating the statistical language R into soon-to-be-released SQL Server 2016. Developers and analysts are excited about the new possibilities – the response of administrators is considerably more restrained. Administrators are a conservative lot – it’s part of their job description. When learning of a new feature […]
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Excel: Interpreting the Principal Components Analysis (PCA)

  What Does Principal Component Analysis Tell Us? In the first installment, we indicated that the primary reason to do a principal component analysis (PCA) in Excel was to increase our own understanding. If your goal is the PCA itself, a better choice of tool might be R, Matlab, or similar tool. Now that we […]
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Version control for data scientists using Git and RStudio

Look at the working directory of the average data science project and you’ll see things like this: cust-churn.csv cust-churn.R cust-churn-good.zip cust-churn-old.csv cust-churn-progess-meeting.R cust-churn-working.R cust-churn-working2.R cust-churn-20160217.R test.R test-bk.R Every time a change needs to be made, files are copied to preserve the working code. As changes will often be made to multiple files, it’s common to […]
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SQL Server 2016: R Integration Redux

SQL Server 2016 has now reached Release Candidate 3 (RC3). One of the new features that continues to foster interest in the analytics and data mining community is the integration of SQL Server with the open-source statistics toolset R. If you fall into this category, I’m inclined to suggest you remain patient and wait for […]
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