Tag: SAS

NOTE: Explaining Precision

When teaching the SAS PRG3: Advanced Techniques and Efficiencies course, I always start section 2.2 Controlling Data Set Size with a slight amount of trepidation. My minor apprehension is due to the knowledge that the section includes a discussion on…

OpenCDISC Validator V1.3: An Unboxing Review (1): counting issue

The lasted OpenCDISC Validator version 1.3 was released at 29 March, 2012 (btw, there is a typo in the Line 1 of CHANGELOG.txt within the package: “2012” not “2011”). As usual, you can submit the following SAS scripts to get some basic information(remember to customize your directory): filename CDISC url "https://raw.github.com/Jiangtang/Programming-SAS/master/Rules_Count_OpenCDISC_XML.sas"; %include CDISC; %Rules_Count_OpenCDISC_XML(dir=C:\OpenCDISC1.3\compare\opencdisc-validator_1.3\config) and […]

Fetch CDISC Control Terminology Files in NCI Vocabulary Repository: All in One Click

CDISC Control Terminology is the most frequent updated model among CDISC standards. Take SDTM as example, the latest SDTM terminologies released at 23 March 2012; and from 2009 to 2011, there were 15 different SDTM terminology versions! If you just rely on your own local repository, you might miss the pace somehow. Here is a […]

Quick Notes on RTP CDISC User’s Group Q1 Meeting

It’s my first time to attend a local event, RTP (Research Triangle Park) CDISC User’s Group meeting, Q1 and here are some quick notes. 1. people Almost fresh faces for me. It’s nice to meet Jack Shostak of Duke Clinical Research Institute again. I visited him in Duke last year after SAS Global Forum in […]

NOTE: A Big Analytics Announcement (Visual Analytics)

Following March 6th’s announcement of SAS support for Hadoop (for massively parallel access to massive volumes of data) came March 22nd’s announcement of SAS Visual Analytics, a new, in-memory tool with a highly visual interface.

The Visual Analytics …

NOTE: Keep Your WORK Library Working

Steve Overton recently posted a tip on the excellent BI-Notes blog about maintaining space within your WORK library. The WORK library is a key resource and is typically shared by all SAS users, so its smooth operation is crucial for maintaining …

NOTE: A Big Data Announcement (Hadoop)

There was a time when SAS practitioners merely needed to have knowledge of SAS DATA Step and PROC syntax plus a smattering of good data practices and IT practices. Over the years, SAS/ACCESS products gave access to data in other systems without the S…

US Post Beats Menu Cost

One of the interesting observations in my first few months in US: there is no price printed in the new mail stamps! It is interesting because as a former student of economics, I think US Post system did a nice attempt to beat the so called “menu cost” which should honor to Harvard economist Mankiw. […]