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SDTL

Summary
Components of SDTL
SDTL Use Cases

Summary
Components of SDTL
SDTL Use Cases
SDTL Command Language
SDTL Function Library
SDTL Pseudocode Library Schema
SDTL Best Practices and Conventions
Credits
All Item Types
All Composite Types

Section Navigation

Aggregate
- Aggregate description
AllNumericVariablesExpression
- AllNumericVariablesExpression description
AllTextVariablesExpression
- AllTextVariablesExpression description
AllVariablesExpression
- AllVariablesExpression description
Analysis
- Analysis description
AppendDatasets
- AppendDatasets description
AppendFileDescription
- AppendFileDescription description
BooleanConstantExpression
- BooleanConstantExpression description
Collapse
- Collapse description
CommandBase
- CommandBase description
Comment
- Comment description
CompositeVariableNameExpression
- CompositeVariableNameExpression description
Compute
- Compute description
DataframeDescription
- DataframeDescription description
DateTimeConstant
- DateTimeConstant description
DoIf
- DoIf description
DropCases
- DropCases description
DropVariables
- DropVariables description
Execute
- Execute description
ExpressionBase
- ExpressionBase description
FunctionArgument
- FunctionArgument description
FunctionCallExpression
- FunctionCallExpression description
GroupedExpression
- GroupedExpression description
IfRows
- IfRows description
InformBase
- InformBase description
Invalid
- Invalid description
IteratorDescription
- IteratorDescription description
IteratorSymbolExpression
- IteratorSymbolExpression description
KeepCases
- KeepCases description
KeepVariables
- KeepVariables description
Load
- Load description
LoopOverList
LoopWhile
MergeDatasets
MergeFileDescription
- MergeFileDescription description
- MergeFileDescription_options
Message
- Message description
MissingValueConstantExpression
- MissingValueConstantExpression description
NewDataframe
- NewDataframe description
NoTransformOp
- NoTransformOp description
NumberRangeExpression
- NumberRangeExpression description
NumericConstantExpression
- NumericConstantExpression description
NumericMaximumValueExpression
- NumericMaximumValueExpression description
NumericMinimumValueExpression
- NumericMinimumValueExpression description
Recode
- Recode description
RecodeRule
- RecodeRule description
RecodeVariable
- RecodeVariable description
Rename
- Rename description
RenamePair
- RenamePair description
ReshapeItemDescription
- ReshapeItemDescription description
ReshapeLong
- ReshapeLong description
- ReshapeLong_examples
ReshapeWide
- ReshapeWide description
- ReshapeWide_Stata_Examples
Save
- Save description
SetDataType
- SetDataType description
SetDatasetProperty
- SetDatasetProperty description
SetDisplayFormat
- SetDisplayFormat description
SetMissingValues
- SetMissingValues description
SetValueLabels
- SetValueLabels description
SetVariableLabel
- SetVariableLabel description
SortCases
- SortCases description
SortCriterion
- SortCriterion description
SourceInformation
- SourceInformation description
StringConstantExpression
- StringConstantExpression description
StringRangeExpression
- StringRangeExpression description
TimeDurationConstant
- TimeDurationConstant description
TransformBase
- TransformBase description
UnhandledValuesExpression
- UnhandledValuesExpression description
Unsupported
- Unsupported description
ValueLabel
- ValueLabel description
ValueListExpression
- ValueListExpression description
VariableListExpression
- VariableListExpression description
VariableRangeExpression
- VariableRangeExpression description
VariableReferenceBase
- VariableReferenceBase description
VariableSymbolExpression
- VariableSymbolExpression description
Weight
- Weight description

All Composite Types
MissingValueConstantExpression
MissingValueConstantExpression description

MissingValueConstantExpression description#

A missing value constant. Some languages allow multiple missing value constants.

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MissingValueConstantExpression

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NewDataframe

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