Posts Tagged ‘ CDISC ’

A SAS Note for Length Limit of Strings in CDISC Datasets

February 19, 2014
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A SAS Note for Length Limit of Strings in CDISC Datasets

Clinical programmers are very familiar with the length limit of strings in CDISC compliant datasets, such as #1: variable names: <= 8 characters #2: variable labels: <= 40 characters #3: data set labels: <= 40 characters #4: data value of a single variable: <= 200 characters and they are due to the limitations of...
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What’s New

March 21, 2013
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What’s New

I didn’t blog for a while in this first half March and there are bunches of new stuff to catch up: I had a new baby! He was delivered on time (and on budget!), lions tigers and bears, oh my… His brother is Tiger so I named him, Leo. And I got the latest...
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Github for Clinical/Statistical Programmers

February 21, 2013
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Github for Clinical/Statistical Programmers

PhUSE-FDA Working Group 5 (Development of Standard Scripts for Analysis and Programming) just adopted Google Code as collaborative programming platform. Google Code is one of the most popular and respected open source software hosting sites in the world and it is definitely a good choice for PhUSE-FDA WG5. But after viewing one of WG5’s...
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Best of SAS: A Personal Nomination 2012

December 31, 2012
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Best of SAS: A Personal Nomination 2012

There SAS applications/procedures/features were not necessarily available since 2012. This year I paid special attention to them when began to use SAS 9.3. The following notes are  totally my personal endorsement purely based my own experience as a user: XML File Reading: SAS XML Mapper SAS XML Mapper itself is not an elegant tool...
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My SAS Books: Shopping List 2012

December 8, 2012
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My SAS Books: Shopping List 2012

Last year I threw away all my SAS books (to friends and colleagues in Beijing) before moving to US. You might agree that it’s not economically bound to transport such heavy books intercontinentally! Now I just start to build my SAS library one by one. I will most probably not buy more SAS books...
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Creating Custom or Non-Standard CDISC SDTM Domains

November 29, 2012
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Here is the nice article about creating custom SDTM domains......... Creating Custom or Non-Standard CDISC SDTM Domains Within the Clinical Data Interchange Standards Consortium (CDISC) Study Data Tabulation Model (SDTM), standard domai...
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Is There Any Better Way? Publishing Process For CDISC Standards

July 19, 2012
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Is There Any Better Way? Publishing Process For CDISC Standards

  1. The Pain I read from Lex Jansen (@LexJansen) that CDISC SDTM v1.3 and SDTMIG v3.1.3 were newly released. It’s pretty nice since CDISC SDTM was supposed to be released semiannually in the new publishing cycle. We can see the team put great efforts on this new version, but frankly speaking, this delivery...
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Blogging is Awesome: CDISC Bloggers

May 5, 2012
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I remember when blogging was cool. Before the specializing and monetizing and Twitter-izing.                                       —Peter Dewolf Well I think blogging is still cool (and awesome and awesome …). The most appealing personal reason is, blog posts are Google searchable and suitable for archive while Tweets NOT. Admittedly I hold some sort of  Existentialism 2.0:...
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