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There are many statistics that measure whether two continuous random variables are independent or whether they are related to each other in some way. The most well-known statistic is Pearson's correlation, which is a parametric measure of the linear relationship between two variables. A related measure is Spearman's rank correlation,
Statewide longitudinal data systems (SLDS) have been around for many years, helping states understand students’ paths through the education system and beyond. The COVID-19 pandemic was an opportunity for one state’s SLDS to step up in new ways that helped feed children in need. With the US Department of Agriculture
Note from Gül Ege Sr. Director, Analytics R&D, IoT: The pattern of training in the Cloud, with your choices of framework and inferencing at the Edge with a target environment, are especially common in Internet of Things (IoT). In IoT, there is a proliferation of hardware environments on the Edge.
My coworker recently shared this post in Grown and Flown from a mother of a teen who lives with both depression and ADHD. This is a timely share as we approach May which is Mental Health Awareness Month. I’d encourage you to read to better understand this experience or, perhaps,
Luego de otro largo lapso, termino publicando el siguiente artículo de la serie ¡Explícate!. En este veremos cómo la teoría de juegos nos da una mano para interpretar mejor nuestros modelos de machine learning, utilizando las ideas del premio nobel de economía Lloyd Shapley. Entenderemos los conceptos detrás de
Everybody likes to learn a bit of interesting trivia... It could make you look smart, or might help you win a bet in a bar. Or maybe give you something to amaze your kids with. Do you know what's the biggest non-domesticated land animal in your state? How about all
SAS/IML programmers often create and call user-defined modules. Recall that a module is a user-defined subroutine or function. A function returns a value; a subroutine can change one or more of its input arguments. I have written a complete guide to understanding SAS/IML modules, which contains many tips for working
You've probably heard by now the new SAS Viya runs on containers orchestrated by Kubernetes. There is a lot to know and learn for both experienced users and k8s noobies alike. I would recommend searching the SAS Communities Library for a wealth of information on deployment, administration, usability, and more.
Government procurement teams are responsible for managing billions of pounds of public expenditure, and taxpayers want more transparency on how their money is being spent. However, experts estimate that procurement errors, waste and abuse can cost central government up to 4.7% of procurement spend.[1] And when government procurement fraud scandals hit
Organizaciones de todo el mundo se basan en datos y se sirven de la analítica avanzada para mejorar la toma de decisiones, sus resultados y generar eficiencias. Pero, además de un impacto meramente económico, los datos ayudan a mejorar nuestras vidas y a resolver problemas relacionados con la salud, la
Our world has changed tremendously over the last seventy plus years with more toxins in our environment that I care to speak about. When I sat down to write this article, I was perplexed in where to begin. There are so many environmentally unfriendly exposures that many of us may
Analyzing climate change business risk helps companies choose the most effective actions.
Ranking is a fundamental concept in statistics. Ranks of univariate data are used by statisticians to estimate statistics such as percentiles (quantiles) and empirical distributions. A more advanced use is to compute various rank-based measures of correlation or association between pairs of variables. For example, ranks are used to compute
A few months ago, I published an article about network optimization and how to find an optimal tour when visiting multiple places of interest by using different types of transportation, like buses, trains, tram, metro, and even walking. For a real-world case, I decided to run these optimal tours in
Have you ever brought home a piece of furniture-in-a-box, and felt undue stress while trying to make sense of the directions to assemble it? ... Apparently you're not alone! A recent analysis studied ~50,000 tweets about IKEA furniture, and determined whether the people posting the tweets were frustrated. They then