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The VARIOGRAM Procedure

Syntax

The following statements are available in PROC VARIOGRAM.

PROC VARIOGRAM options ;
COMPUTE computation-options ;
COORDINATES coordinate-variables ;
DIRECTIONS directions-list ;
VAR analysis-variables-list ;

The COMPUTE and COORDINATES statements are required.

The following table outlines the options available in PROC VARIOGRAM classified by function.

Table 70.1: Options Available in the VARIOGRAM Procedure
Task Statement Option
Data Set Options  
specify input data setPROC VARIOGRAMDATA=
write spatial continuity measuresPROC VARIOGRAMOUTVAR=
write distance histogram informationPROC VARIOGRAMOUTDISTANCE=
write pairwise point informationPROC VARIOGRAMOUTPAIR=
Declaring the Role of Variables  
specify the analysis variablesVAR 
specify the x, y coordinates in the DATA= data setCOORDINATESXCOORD= YCOORD=
Controlling Continuity Measure Computations  
specify the basic lag distanceCOMPUTELAGDISTANCE=
specify the tolerance around the lag distanceCOMPUTELAGDISTANCE=
specify the maximum number of lags in computationsCOMPUTEMAXLAGS=
specify the number of angle classesCOMPUTENDIRECTIONS=
specify the angle tolerances for angle classesCOMPUTEANGLETOL=
specify the bandwidths for angle classesCOMPUTEBANDWIDTH=
compute robust semivariogramCOMPUTEROBUST
suppress computation of all continuity measuresCOMPUTENOVARIOGRAM
Controlling Distance Histogram Data Set  
specify the distance histogram data setPROC VARIOGRAMOUTDISTANCE=
specify the number of histogram classesCOMPUTENHCLASSES=
Controlling Pairwise Information Data Set  
specify the pairwise data setPROC VARIOGRAMOUTPAIR=
specify the maximum distance for the pairwise data setCOMPUTEOUTPDISTANCE=

PROC VARIOGRAM Statement

COMPUTE Statement

COORDINATES Statement

DIRECTIONS Statement

VAR Statement

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