Structured Data Transform Language

A model for describing data transformations.

SDTL Documentation and Downloads

Example JSON Instances

Some example JSON instances are created by the SPSS to SDTL tools every time an update is made to those tools.

• CPS transforms example
• Expression example

Changelog

2018-09-07

Changes since August 2018.

• Allow VariableSymbols and Variable Ranges to be intermixed.
• Use VariableSymbol whenever a single variable is referred to, instead of string.
• Separate types for invalid, unsupported, and analysis commands
• Remove Type property from concrete expression types. TypeName (serialized as $type) is on the base
• Add Messages to Program, for reporting errors