So, you’ve figured out NLP but what’s NLU?

April 9, 2019
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So, you’ve figured out NLP but what’s NLU?

Natural language understanding (NLU) is a subfield of natural language processing (NLP) that enables machine reading comprehension. While both understand human language, NLU goes beyond the structural understanding of language to interpret intent, resolve context and word ambiguity, and even generate human language on its own. NLU is designed for

So, you’ve...
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Launching the Developers Community in SAS Communities

April 8, 2019
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As word spreads that SAS integrates with open source technologies, people are beginning to explore how to connect, interact with, and use SAS in new ways. More and more users are examining the possibilities and with this comes questions like: How do I code A, integrate B, and accomplish C?

Launching the...
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Use the FLOOR-MOD trick to allocate items to groups

April 8, 2019
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Use the FLOOR-MOD trick to allocate items to groups

Suppose you need to assign 100 patients equally among 3 treatment groups in a clinical study. Obviously, an equal allocation is impossible because the second number does not evenly divide the first, but you can get close by assigning 34 patients to one group and 33 to the others. Mathematically,

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How the 1854 Cholera outbreak showed us the importance of spatial analysis

April 8, 2019
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How the 1854 Cholera outbreak showed us the importance of spatial analysis

he catch phrase “everything happens somewhere” is increasingly common these days.  That “somewhere” translates into a location on the Earth; a latitude and longitude.  When one of these “somewhere’s” is combined with many other “somewhere’s”, you quickly have a robust spatial data set that becomes actionable with the right analytic

How the...
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SAS® Analytics Cloud—an interview with the women involved

April 5, 2019
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SAS® Analytics Cloud—an interview with the women involved

Recently, you may have heard about the release of the new SAS Analytics Cloud. The platform allows fast access to data-science applications in the cloud! Running on the SAS Cloud and using the latest container technology, Analytics Cloud eliminates the need to install, update, or maintain software or related infrastructure.

SAS® Analytics...
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Zero to SAS in 60 Seconds- SAS Machine Learning on SAS Analytics Cloud

April 5, 2019
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Zero to SAS in 60 Seconds- SAS Machine Learning on SAS Analytics Cloud

You are a data scientist, in your office, doing data scientist-y things when, your manager's, manager's, manager makes an impossible request. She wants you take a raw data set from the stem cell research team, scrub the data, create and score models, and be ready to rescore when new data

Zero to...
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Where are my Viya files?

April 4, 2019
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Where are my Viya files?

When working with files like SAS programs, images, documents, logs, etc., we are used to accessing them in operating system directories. In Viya, many of these files are not stored on the file-system. Let's look at where and how files are stored in Viya, and how to manage them.

Where are my Viya...
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Text analytics explained

April 3, 2019
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Text analytics explained

Structuring a highly unstructured data source Human language is astoundingly complex and diverse. We express ourselves in infinite ways. It can be very difficult to model and extract meaning from both written and spoken language. Usually the most meaningful analysis uses a number of techniques. While supervised and unsupervised learning,

Text analytics...
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Convergence in mixed models: When the estimated G matrix is not positive definite

April 3, 2019
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Convergence in mixed models: When the estimated G matrix is not positive definite

I've previously written about how to deal with nonconvergence when fitting generalized linear regression models. Most generalized linear and mixed models use an iterative optimization process, such as maximum likelihood estimation, to fit parameters. The optimization might not converge, either because the initial guess is poor or because the model

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