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CL HD - CLassification - Hierarchical clustering, calculate classes

(08/19/96)

PURPOSE

Calculates number of classes for given threshold, after CL HC.

SEE ALSO

CL CLA [CLassification - Clusters]
CL HC [CLassification - Hierarchical clustering]
CL HE [CLassification - Hierarchical clustering, create doc files]
CL KM [CLassification - K Means clustering]

USAGE

.OPERATION: CL HD

.THRESHOLD (0-1): 0.2

.DENDOGRAM DOCUMENT FILE: DND102
[Enter the document file name containing information about classification tree (produced by CL HC).]

.DOCUMENT FILE: CLAS02
[Enter the document file name which will contain number of objects belonging to every class.]

NOTES

  1. This command uses output from CL HC and works only in conjunction with hierarchical clustering.

  2. To get the selection doc files corresponding to the given "cutting" use command CL HE.

  3. To calculate averages for the classes use command AS DC and selection doc files.

  4. This command implements the following batch program:
     
                    ; X51 - "cutting" level taken from the tree 
                    ;X51=0.585 
                    X51=0.4 
                    ; # OF OBJECTS IN A GROUP 
                    X41=0.0 
                    ; # OF GROUPS 
                    X42=1.0 
                    X55=1.0 
                    ; HCLAS - document file produced by CL HC 
                    UD IC,X55,X31,X32 
                    HCLAS 
                    X41=X41+1.0 
                    DO LB1 I=2,838 
                    UD IC,X0,X21,X22 
                    HCLAS 
                    IF(X32.LT.X51) GOTO LB2 
                    SD X42,X41 
                    CLASA 
                    X42=X42+1.0 
                    X41=1.0 
                    X32=X22 
                    IF(X41.EQ.1.0) GOTO LB1 
                    LB2 
                    X41=X41+1.0 
                    X32=X22 
                    LB1 
                    ;  CLASA contains number of objects in each class 
                    SD X42,X41 
                    CLASA 
                    EN 
    

  5. Implemented by P. Penczek.

SUBROUTINES

HDLS

CALLER

UTIL1

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