The last year and a half has certainly exacerbated many stresses that people were already facing. Unfortunately for many, complicated dynamics and tensions with family were not immune during this time. I was curious to look back at previous Work/Life posts that address difficult dynamics. Although all were created pre-pandemic,
A SAS programmer recently asked why his SAS program and his colleague's R program display different estimates for the quantiles of a very small data set (less than 10 observations). I pointed the programmer to my article that compares the nine common definitions for sample quantiles. The article has a
How long do dogs live? ... That's a good/tough question. Some live longer than others, but what are the determining factors? Let's throw some data to this problem, and see if we can fetch some answers! But before we get started, how about a random picture to get you into
SAS' Fijoy Vadakkumpadan, a computer vision expert, sheds light on how loadImages works in SAS Viya.
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To get better at something, you need to practice. That maxim applies to sports, music, and programming. If you want to be a better programmer, you need to write many programs. This article provides an example of forming the intersection of items in a SAS/IML list. It then provides several
I had heard of oil pulling before starting naturopathy school but as we dove into the world of oral health, I became fascinated with incorporating ancestral methods into modern life. We learned about the history, how it promotes a clean mouth (which is the entry system to our gut) and
Discuss with Danilo McGarry (Member of the EU AI Alliance), Jacques Ludik (Author of Democratizing Artificial Intelligence to Benefit Everyone), Thomas Keil (SAS)
After my recent articles on simulating data by using copulas, many readers commented about the power of copulas. Yes, they are powerful, and the geometry of copulas is beautiful. However, it is important to be aware of the limitations of copulas. This article creates a bizarre example of bivariate data,
We need, in other words, to democratise analytics in the true sense of the word, by making them accessible to everyone.
In 2012, Data Scientist was dubbed the sexiest job of the 21st century by Harvard Business Review and it is one of the most in-high demand jobs in the world. Data has become a key part of every organization as technology flourishes. As the world become increasingly digitized, businesses are
Las aseguradoras afrontan desde hace tiempo una continua batalla contra diferentes tipos de fraude. Fraude en los siniestros, fraude en la suscripción de póliza, ciberataques, fraude interno, etc. En Estados Unidos, un estudio de la Coalition Against Insurance Fraud lo estima en un total de 80.000 millones de dólares. El
Who's to say that 'north' should always be at the top of a map? Perhaps in certain situations, you might want 'south' (or some other direction) to be at the top. Perhaps you're one of our crazy Australian customers who looks at the world a little differently. Well, whatever the
If you’ve ever traveled, you know the excitement of getting to explore a whole new place. After a year of quarantine, people are desperate for that feeling again. As Covid-19 restrictions lift, travel companies need to be prepared for the substantial amount of customer data that will become available. With
In a previous article, I discussed various ways to solve a least-square linear regression model. I discussed the SWEEP operator (used by many SAS regression routines), the LU-based methods (SOLVE and INV in SAS/IML), and the QR decomposition (CALL QR in SAS/IML). Each method computes the estimates for the regression
Following is Editor Len Tashman's preview of the new issue of Foresight: The International Journal of Applied Forecasting. Preview of Foresight #62 (2021:Q3) This 62nd issue of Foresight has been heavily “infected” by the COVID pandemic. Stephan Kolassa’s book review of Resurrecting Retail by Doug Stephens raises the question of whether the
In computational statistics, there are often several ways to solve the same problem. For example, there are many ways to solve for the least-squares solution of a linear regression model. A SAS programmer recently mentioned that some open-source software uses the QR algorithm to solve least-squares regression problems and asked
How do I stack up in terms of digital maturity against my manufacturing peers? This is a question that I have been asked many times. The fear of missing out creates unbearable pain. Trade wars and the COVID-19 pandemic exposed some of the manufacturing wounds: tight margins, supply chain risks,
I hope you're all doing well, in this year of plagues and locusts! I'm sure I don't even need to mention which plague I'm talking about. But what about the locusts? Are you up on your entomological studies? Follow along, and see if you really know what locusts are... Locusts
One of the lesser-known effects of COVID-19 has been on analytical risk models. Around the world, the pandemic has created a new reality. The situation became so unpredictable that financial institutions’ risk models lost their ability to make accurate predictions. Past performance, it turned out, was very definitely not a
In general, it is hard to simulate multivariate data that has a specified correlation structure. Copulas make that task easier for continuous distributions. A previous article presented the geometry behind a copula and explained copulas in an intuitive way. Although I strongly believe that statistical practitioners should be familiar with
This is the second post in a series covering parallel processing in SAS Viya. The first post served as an introduction to parallel processing. It covered parallel processing uses in data science and the SAS Viya products that facilitate it. There are countless opportunities for using parallel processing within data
Having the ability to know what the best decision is in any given scenario sounds like a superpower. What may surprise you is that this “superpower” already exists. SAS calls it intelligent decisioning. Decisioning is a powerful tool in the business world. It is useful to both the company and
Assisto Consulting is a management consulting firm delivering analytical and operational solutions for banks and multiple other sectors with a strong focus on financial technology and delivering its tailor-made business solutions. Its partners are all experienced banking professionals with skills in risk management, finance, business development, and marketing, and of
Do you know what a copula is? It is a popular way to simulate multivariate correlated data. The literature for copulas is mathematically formidable, but this article provides an intuitive introduction to copulas by describing the geometry of the transformations that are involved in the simulation process. Although there are
To successfully adapt and reinvent business decisions amid the uncertainty of the past year, organizations have leaned on support from their partner ecosystems. Together, SAS and its SAS Partner community have collaborated to find new answers to customers' toughest challenges and to drive innovation and digital transformation. In honor of this,
Sopra Steria è una società di consulenza, servizi digitali e sviluppo software con sede a Parigi. È stata costituita nel 2014 in seguito alla fusione di Sopra e Steria, due società di servizi digitali e software. Ho incontrato Roberto Balzerani, Director Public Sector, Energy & Telco Italy, per discutere delle
Hippocrates once said, “Let food be thy medicine.” For food vendors, this advice could be communicated another way: Stock more fresh fruit, protein and vegetables. The periphery of the grocery store has led in the expansion of revenues – namely within produce, but also spanning seafood, bakery products and ready-to-eat
A recent article about how to estimate a two-dimensional distribution function in SAS inspired me to think about a related computation: a 2-D cumulative sum. Suppose you have numbers in a matrix, X. A 2-D cumulative sum is a second matrix, C, such that the C[p,q] gives the sum of
