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Sequence Normalization
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The SIMILARITY Procedure

  • Overview
  • Getting Started
  • Syntax Procedure Syntax
    Functional Summary PROC SIMILARITY Statement BY Statement FCMPOPT Statement ID Statement INPUT Statement TARGET Statement
  • Details Procedure Details
    Accumulation Missing Value Interpretation Zero Value Interpretation Time Series Transformation Time Series Differencing Time Series Missing Value Trimming Time Series Descriptive Statistics Input and Target Sequences Sliding Sequences Time Warping Sequence Normalization Sequence Scaling Similarity Measures User-Defined Functions and Subroutines Output Data Sets OUT= Data Set OUTMEASURE= Data Set OUTPATH= Data Set OUTSEQUENCE= Data Set OUTSUM= Data Set STATUS Variable Values Printed Output ODS Table Names ODS Graphics
  • Examples Procedure Examples
    Accumulating Transactional Data into Time Series Data Similarity Analysis Sliding Similarity Analysis Searching for Historical Analogies Clustering Time Series
  • References
 
Sequence Normalization

The working (input or target) sequence can be normalized prior to further analysis. Let be the original sequence with mean and standard deviation , and let be the normalized sequence. The normalizations are defined as follows:

  • Standard is the standard normalization

         
  • Absolute is the absolute normalization

         
  • User-defined is a user-defined normalization created by the FCMP procedure.

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