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The EXPAND Procedure
The EXPAND Procedure
Overview: EXPAND Procedure
Getting Started: EXPAND Procedure
Converting to Higher Frequency Series
Aggregating to Lower Frequency Series
Combining Time Series with Different Frequencies
Interpolating Missing Values
Requesting Different Interpolation Methods
Using the ID Statement
Specifying Observation Characteristics
Converting Observation Characteristics
Creating New Variables
Transforming Series
Syntax: EXPAND Procedure
Functional Summary
PROC EXPAND Statement
BY Statement
CONVERT Statement
ID Statement
Details: EXPAND Procedure
Frequency Conversion
Identifying Observations
Range of Output Observations
Extrapolation
OBSERVED= Option
Conversion Methods
Transformation Operations
OUT= Data Set
OUTEST= Data Set
ODS Graphics
Examples: EXPAND Procedure
Combining Monthly and Quarterly Data
Illustration of ODS Graphics
Interpolating Irregular Observations
Using Transformations
References
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