Ensemble models have been used extensively in credit scoring applications and other areas because they are considered to be more stable and, more importantly, predict better than single classifiers (see Lessmann et al., 2015). They are also known to reduce model bias and variance (Myoung - Jong et al., 2006;
SAS® Federation Server provides a central, virtual environment for administering and securing access to your data. It also allows you to combine data from multiple sources without moving or copying the data. SAS Federation Server Manager, a web-based application, is used to administer SAS Federation Server(s). Data privacy is a
Several months ago, I posted a blog about calculating moving averages for a measure in the Visual Analytics Designer. Soon after that, I was asked about calculating not only the average, but also the standard deviation over a period of months, when the data might consist of one or more
Editor's note (4/11/17): Full proceedings from SAS Global Forum 2017 (including for the presentations mentioned in this blog) can be found at http://support.sas.com/resources/papers/proceedings17/. SAS Global Forum 2017 is just a month away and, if you’re a SAS administrator, it’s a great place to meet your peers, share your experiences and attend
In 2011, Loughran and McDonald applied a general sentiment word list to accounting and finance topics, and this led to a high rate of misclassification. They found that about three-fourths of the negative words in the Harvard IV TagNeg dictionary of negative words are typically not negative in a financial
Let’s have some fun, shall we? Share your video or photo! The SAS User Community, albeit spread around the world, is a tight-knit group. We may sit alone in our offices pounding out code, developing applications, tweaking system performance or creating reports, but the truth is other SAS users (our
As a practitioner of visual analytics, I read the featured blog of ‘Visualizations: Comparing Tableau, SPSS, R, Excel, Matlab, JS, Python, SAS’ last year with great interest. In the post, the blogger Tim Matteson asked the readers to guess which software was used to create his 18 graphs. My buddy,
Editor's note: Amanda Farnsworth is Head of Visual Journalism at BBC News and a featured speaker at SAS Global Forum 2017, April 2-5, 2017 in Orlando. There was a best selling book some years ago called “Men are from Mars and Women are from Venus.” It’s a phrase I thought
The SAS® Output Delivery System provides the ability to generate output in various destination formats (for example, HTML, PDF, and Excel). One of the more recent destinations, ODS Excel, became production in the third maintenance release for SAS 9.4 (TS1M3). This destination enables you to generate native Microsoft Excel formatted
In this post I wanted to shed some light on a visualization you may not be using enough: the Word Cloud. Word association exercises can often be a fun way to pass the time with friends, or it can trigger immediate action – just think of your email inbox and
