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This post demonstrates how to rank data and how to place these ranks into roughly equal groups. There are certain variables, such as annual salary, that are highly skewed. There are many who earn between $50,00 and $150,000, but some who earn millions or hundreds of millions of dollars a
Curious about what it’s like to work at SAS? You’re in the right place. Our people are always asking, “What if?” and pushing the boundaries of innovation, and their curiosity is at the core of our company. Today, Lenny Goldman, Sr. Strategic Account Executive in Sales, is sharing his passion for serving our customers and how his
SAS' Ghohui Wu shows you how to construct spatial weights matrices based on contiguity and distance measures, then shows how PROC CSPATIALREG automates spatial regression model selection.
In the previous section of this series we discussed ways of assessing the relationship between variables. This week we change the focus to the shape and sparsity of our dataset. One area of Explanatory Data Analysis which we’ve missed so far is the impact of missingness in data. Having missing
Underperforming schools can cast a shadow over the community. Not only do students suffer, but the downstream effects of poor performance can be felt across school funding, teacher retention, morale and the local economy. When one of the top 20 K-12 school districts in the US received a “C” ranking
Do you ever use a permutation matrix to change the order of rows or columns in a matrix? Did you know that there is a more efficient way in matrix-oriented languages such as SAS/IML, MATLAB, and R? Remember the following tip: Never multiply with a large permutation matrix! Instead, use
I'm excited to curate a series of posts focused on CAS Actions. However, before I dive into details and code, I thought I'd take a moment to lay a foundation for a better understanding of CAS and CAS actions. I'll cover things here at a high level as there's quite
I'm excited to bring a series of posts centered on CAS Actions. The topics in the list below will be covered in posts set to publish in the next few weeks. Please check back often for new releases. CAS Actions and Action Sets - a brief intro - Introduction to the
„Ich wusste gar nicht, dass man bei Ihnen einfach so anrufen kann.“
Unstructured text data is ubiquitous in both business and government and extracting value from it at scale is a common challenge. Organizations that have been around for a while often have vast paper archives. Digitizing these archives does not necessarily make them usable for search and analysis, since documents are
Breastfeeding. Exercise. You don’t usually see these two words together, but motherhood is like that – a beautiful dance of balancing necessity with fun, effort with ease, joy and tears. In honor of World Breastfeeding Awareness Month, we’re talking breastfeeding here on SAS Life. Today’s topic: Breastfeeding and Exercise. Can
The predicted “Great Resignation” is underway, with the US Labor Department reporting people quitting jobs in record numbers, with 4 million doing so in April alone. At the same time, companies are expected to step up hiring, with 77 percent of executives in a recent poll claiming they plan to
In a previous article, I discussed a beautiful painting called "Phantom’s Shadow, 2018" by the Nigerian-born artist, Odili Donald Odita. I noted that if you overlay a 4 x 4 grid on the painting, then each cell contains a four-bladed pinwheel shape. The cells display rotations and reflections of the pinwheel. The
In the previous section of this series we looked at basic summary statistics. In this article we start to consider the relationships between variables in our dataset. As part of your Explanatory Data Analysis it is worth looking for correlation between variables. Generally, when referring to correlation we mean the
A lo largo de 2020, las cadenas de suministro estuvieron bajo gran estrés. La pandemia y los altibajos del entorno económico hicieron que las empresas enfrentaran complicados desafíos para seguir produciendo y satisfacer los nuevos patrones de demanda. Si bien privó la incertidumbre, también fue una oportunidad para que las