[DDI-users] Public Release of Structured Data Transformation Language (SDTL) - Version 1.0

[Jared Lyle]

Dear DDI Community,

The DDI Alliance is pleased to announce the initial public release of
Structured Data Transformation Language (SDTL) - Version 1.0.

Structured Data Transformation Language (SDTL) is an independent
intermediate language for representing data transformation commands.
Statistical analysis packages (e.g., SPSS, Stata, SAS, Python, and R)
provide similar functionality, but each one has its own proprietary
language. SDTL provides machine-actionable descriptions of variable-level
data transformation histories derived from any data transformation
language. SDTL uses JSON schemas to represent common operations, such as
RECODE, MERGE FILES, and VARIABLE LABELS. Provenance metadata represented
in SDTL can be added to documentation in DDI and other metadata standards.

For more information, please see the SDTL product page on the DDI Alliance
web site: https://ddialliance.org/products/sdtl/1.0.

Thanks to everyone who contributed to SDTL - Version 1.0, especially George
Alter, the C2Metadata Project supported by the Data Infrastructure Building
Blocks (DIBBs) program of the National Science Foundation (NSF
ACI-1640575), the DDI SDTL Working Group, and the DDI Technical Committee.


Jared Lyle
Executive Director, DDI Alliance <https://ddialliance.org/>
ICPSR <https://www.icpsr.umich.edu/>, University of Michigan
lyle at umich.edu

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