Isn’t SAS Romantic?

February 12, 2019
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SAS Press gets in the Valentine's Day spirit. The post Isn’t SAS Romantic? appeared first on SAS Learning Post.
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How to spot counterfeit company logos with AI – no SAS programming experience needed

February 11, 2019
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How to spot counterfeit company logos with AI – no SAS programming experience needed

As one of SAS' newest systems engineers, recently joining the Americas Artificial Intelligence Team, I’m incredibly excited to gain expertise in artificial intelligence and machine learning. I also look forward to applying my knowledge to enable others to leverage the advanced technologies that SAS offers. However, as a recent graduate

How to...
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4 reasons to use PROC PLM for linear regression models in SAS

February 11, 2019
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4 reasons to use PROC PLM for linear regression models in SAS

Have you ever run a regression model in SAS but later realize that you forgot to specify an important option or run some statistical test? Or maybe you intended to generate a graph that visualizes the model, but you forgot? Years ago, your only option was to modify your program

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Convert a text-based measurement to a number in SAS

February 8, 2019
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Convert a text-based measurement to a number in SAS

Regular expressions are a powerful method for finding specific patterns in text. The syntax of regular expressions is intimidating, but once you've solved a few pattern-recognition problems with regex, you'll never go back to your old methods.

The post Convert a text-based measurement to a number in SAS appeared first on Read more »

Fundamentals of SAS Visual Analytics geo maps

February 8, 2019
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Fundamentals of SAS Visual Analytics geo maps

Creating a map with SAS Visual Analytics begins with the geographic variable. This blog post explains the first type of geography variable that VA supports: predefined. Future posts will cover the other two types of geography variables in VA: custom coordinates and custom polygons.

Fundamentals of SAS Visual Analytics geo maps was...
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How to split a raw file or a data set into many external raw files

February 6, 2019
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How to split a raw file or a data set into many external raw files

Recently, I worked on a cybersecurity project that entailed processing a staggering number of raw text files about web traffic. Millions of rows had to be read and parsed to extract variable values. The problem was complicated by the varying records composition. Each external raw file was a collection of

How to...
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Feature generation and correlations among features in machine learning

February 6, 2019
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Feature generation and correlations among features in machine learning

Feature generation (also known as feature creation) is the process of creating new features to use for training machine learning models. This article focuses on regression models. The new features (which statisticians call variables) are typically nonlinear transformations of existing variables or combinations of two or more existing variables. This

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Webpage scraping made easy with PROC HTTP

February 5, 2019
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SAS Press author Matt Windham shows you how to use the SAS procedure PROC HTTP to grab raw data from a website. The post Webpage scraping made easy with PROC HTTP appeared first on SAS Learning Post.
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Model selection with PROC GLMSELECT

February 4, 2019
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Model selection with PROC GLMSELECT

I previously discussed how you can use validation data to choose between a set of competing regression models. In that article, I manually evaluated seven models on the training data and manually chose the model that gave the best predictions for the validation data. Fortunately, SAS software provides ways to

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