Generalized inverses for matrices

November 21, 2018
By

A data analyst asked how to compute parameter estimates in a linear regression model when the underlying data matrix is rank deficient. This situation can occur if one of the variables in the regression is a linear combination of other variables. It also occurs when you use the GLM parameterization

The post Read more »

Immunization rates in North Carolina schools

November 20, 2018
By

I recently read an article that said a school in Asheville, North Carolina had the worst chickenpox outbreak in the state in 2 decades. The article was interesting, and it also let me know I had a hole in my knowledge ... "What?!? -...
Read more »

Select ODS tables by using wildcards and regular expressions in SAS

November 19, 2018
By

You might know that you can use the ODS SELECT statement to display only some of the tables and graphs that are created by a SAS procedure. But did you know that you can use a WHERE clause on the ODS SELECT statement to...
Read more »

Create random number using call ranuni

November 16, 2018
By

retain seed 111618; call ranuni(seed, ranno);
Read more »

SAS Press Is Recruiting Authors!

November 16, 2018
By

Learn how to become an author with SAS Press. The post SAS Press Is Recruiting Authors! appeared first on SAS Learning Post.
Read more »

Where do provisional ballots come from?

November 15, 2018
By

There has been a lot of controversy surrounding this year's midterm election, when it comes to counting the ballots ... and I kept hearing the term provisional ballots in the news. But I'm embarrassed to say that I didn't really know much about provisi...
Read more »

Building a better election map

November 14, 2018
By

The US 'midterm' elections have finally started to wind down, and we finally have some (mostly) finalized results to study. But what's the best way to visualize who won the US congressional seats in each of the 435 districts? Let's dive into this topic...
Read more »

Create newline-delimited JSON (or JSONL) with SAS

November 14, 2018
By
Create newline-delimited JSON (or JSONL) with SAS

JSON is a popular format for data exchange between APIs and some modern databases. It's also used as a way to archive audit logs in many systems. Because JSON can represent hierarchical relationships of data fields, many people consider it to be superior to...
Read more »

Big Data in Healthcare

November 14, 2018
By

Joseph Woodside shares examples of applied experimental learning in healthcare from his book, "Applied Health Analytics and Informatics Using SAS". The post Big Data in Healthcare appeared first on SAS Learning Post.
Read more »

Welcome!

SAS-X.com offers news and tutorials about the various SAS® software packages, contributed by bloggers. You are welcome to subscribe to e-mail updates, or add your SAS-blog to the site.

Sponsors







Dear readers, proc-x is looking for sponsors who would be willing to support the site in exchange for banner ads in the right sidebar of the site. If you are interested, please e-mail me at: tal.galili@gmail.com
SAS and all other SAS Institute Inc. product or service names are registered trademarks or trademarks of SAS Institute Inc. in the USA and other countries. ® indicates USA registration.