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A previous article discusses the pooled variance for two or groups of univariate data. The pooled variance is often used during a t test of two independent samples. For multivariate data, the analogous concept is the pooled covariance matrix, which is an average of the sample covariance matrices of the
Our children need us to comfort them but also to be honest with them right now. Comforting your child is where you are likely the most secure. You have been doing it since those first sleepless nights after they were born. The honesty is much harder. The honest conversation you
I progetti di analytics sono complessi, ma gli aspetti tecnici spesso non sono i più complicati. Uno degli elementi più importanti è la gestione degli stakeholder. I clienti – e utilizzo il termine cliente perché anche se la richiesta proviene da un collega interno, in questa situazione è importante gestirlo
Nowadays, recommendation engines can be found just about everywhere from news websites to e-commerce sites to online streaming services. However, customers frequently encounter recommendations that are inappropriate or repetitive.
The first time I saw a formula for the pooled variance, I was quite confused. It looked like Frankenstein's monster, assembled from bits and pieces of other quantities and brought to life by a madman. However, the pooled variance does not have to be a confusing monstrosity. The verb "to
In May, I joined several SAS colleagues, academics, clinicians, pharmaceutical companies, and other information and technology specialists for the first-ever IMI PIONEER Hackathon for prostate cancer research. A few weeks later, as I watched the SpaceX launch on TV, it occurred to me that space trips and cancer research have
코로나19가 전 세계로 확산하면서 기업들은 비즈니스 방식에 혁신을 더하며 디지털 마케팅에 총력을 기울이고 있습니다. 특히 고객의 필요를 예측하고 고객과 적시에 소통하기 위한 방법으로서 멀티채널 마케팅이 그 어느 때보다 중요해지고 있습니다. 이와 함께 ‘멀티채널 마케팅 허브’에 대한 관심도 높아지고 있습니다. IT 리서치 전문 기업인 가트너(Gartner)는 멀티채널 마케팅 허브를 ‘기업의 커뮤니케이션을 조율하고
A lookup table is a programming technique where one or more values can be used to retrieve another value. For example, many years ago, I had benzene exposure estimates for 10 years (1940 to 1949) for each of five locations in a factory. Given a year and a job location,
If the regulation is delayed, many insurers have embarked on the LDTI journey while focusing on Business Continuity efforts.
Injustice in the food system – I’ve put off blogging about this for too long for a couple of reasons — 1) it’s far too broad a topic to adequately tackle in one blog and 2) for fear of the discomfort it may cause people, myself included, as I want
If you have ever run a Kolmogorov-Smirnov test for normality, you have encountered the Kolmogorov D statistic. The Kolmogorov D statistic is used to assess whether a random sample was drawn from a specified distribution. Although it is frequently used to test for normality, the statistic is "distribution free" in
Recently we announced a new strategic partnership with Microsoft to further shape the future of AI and analytics in the cloud. This commitment will make it easy for SAS customers to move their analytics workloads to the cloud. And it will introduce SAS technologies to millions of Azure customers through
Fast forward to today and a batch run decision is simply not enough.
Le point de vue et l’approche développée par SAS Toute entreprise ou organisation est confrontée au risque de contrepartie, dès lors qu’elle est en relation avec un tiers. Ce risque est inhérent à toute relation commerciale entre deux entités (personnes morales et/ou physiques), mais également aux dispositifs financiers tels que
“SAS co-founder and Executive Vice President, John Sall used to say, ‘SAS was born on a farm, raised on drugs and grew up in the industry,’” recalled Dr. Herb Kirk, explaining the legacy of SAS use in the agriculture and pharmaceutical sectors before expanding into all industries. Before joining SAS