SAS/STAT 9.1 Users Guide, Volumes 1-7

V

V matrix

MIXED procedure, 2716

V option

RANDOM statement (MIXED), 2716

V6CORR option

REPEATED statement (GENMOD), 1649

VADJUST= option

MODEL statement (SURVEYLOGISTIC), 4265

MODEL statement (SURVEYREG), 4381

valid observation

SURVEYMEANS procedure, 4346

value lists

GLMPOWER procedure, 1945

POWER procedure, 3490

Van der Waerden scores

NPAR1WAY procedure, 3167

VAR option

TABLES statement (SURVEYFREQ), 4202

VAR statement

CALIS procedure, 627

CANDISC procedure, 794

CORRESP procedure, 1081

DISCRIM procedure, 1156

FACTOR procedure, 1322

INBREED procedure, 1975

LATTICE procedure, 2073

MDS procedure, 2486

MI procedure, 2534

MODECLUS procedure, 2870

NESTED procedure, 2989

NPAR1WAY procedure, 3162

PRINCOMP procedure, 3608

REG procedure, 3859

STDIZE procedure, 4135

STEPDISC procedure, 4169

SURVEYMEANS procedure, 4332

TTEST procedure, 4782

VARCLUS procedure, 4814

VARIOGRAM procedure, 4870

VAR statement, use

CORRESP procedure, 1072

VAR= option

ASSESS statement (PHREG), 3223

CDFPLOT statement (PROBIT), 3715

IPPPLOT statement (PROBIT), 3725

LPREDPLOT statement (PROBIT), 3733

PREDICT statement (KRIGE2D), 2042

PREDPPLOT statement (PROBIT), 3747

SIMULATE statement (SIM2D), 4101

VARCLUS procedure,

See also TREE procedure

alternating least-squares, 4800

analyzing data in groups, 4813

centroid component, 4802, 4808

cluster components , 4799

cluster splitting, 4800, 4806, 4810, 4811

cluster, definition, 4799

computational resources, 4818

controlling number of clusters, 4810

eigenvalues, 4800, 4810

how to choose options, 4815

initializing clusters, 4809

interpreting output, 4818

iterative reassignment, 4800

MAXCLUSTERS= option, using, 4815

MAXEIGEN= option, using, 4815

memory requirements, 4818

missing values, 4814

multiple group component analysis, 4811

nearest component sorting phase, 4800

number of clusters, 4800, 4806, 4810, 4811

orthoblique rotation, 4800, 4809

output data sets, 4811, 4816

output table names , 4820

OUTSTAT= data set, 4811, 4816

OUTTREE= data set, 4817

PROPORTION= option, using, 4815

search phase, 4800

splitting criteria, 4800, 4806, 4810, 4811

stopping criteria, 4806

syntax, 4806

time requirements, 4815, 4818

TYPE=CORR data set, 4816

VARCLUS procedure, BY statement, 4813

VARCLUS procedure, FREQ statement, 4813

VARCLUS procedure, PARTIAL statement, 4813

VARCLUS procedure, PROC VARCLUS statement, 4806

CENTROID option, 4808

CORR option, 4808

COVARIANCE option, 4809

DATA= option, 4809

HIERARCHY option, 4809

INITIAL= option, 4809

MAXCLUSTERS= option, 4810

MAXEIGEN= option, 4810

MAXITER= option, 4810

MAXSEARCH= option, 4810

MINC= option, 4810

MINCLUSTERS= option, 4810

MULTIPLEGROUP option, 4811

NOINT option, 4811

NOPRINT option, 4811

OUTSTAT= option, 4811

OUTTREE= option, 4811

PERCENT= option, 4811

PROPORTION= option, 4811

RANDOM= option, 4812

SHORT option, 4812

SIMPLE option, 4812

SUMMARY option, 4812

TRACE option, 4812

VARDEF= option, 4812

VARCLUS procedure, SEED statement, 4814

VARCLUS procedure, VAR statement, 4814

VARCLUS procedure, WEIGHT statement, 4814

VARCOMP procedure, 4834

classification variables , 4836

compared to MIXED procedure, 2664, 2665

compared to other procedures, 1735

computational details, 4838

dependent variables, 4831, 4836

example (MIXED), 2795

fixed effects, 4831, 4837

fixed-effects model, 4837

introductory example, 4832

methods of estimation, 4831, 4842

missing values, 4837

mixed model, 4837

negative variance components, 4838

ODS table names, 4840

random effects, 4831, 4837

random-effects model, 4837

relationship to PROC MIXED, 4841

syntax, 4834

variability, 4832

variance component, 4838

VARCOMP procedure, BY statement, 4835

VARCOMP procedure, CLASS statement, 4836

VARCOMP procedure, MODEL statement, 4836

FIXED= option, 4836

VARCOMP procedure, PROC VARCOMP statement, 4835

DATA= option, 4835

EPSILON= option, 4835

MAXITER= option, 4835

METHOD= option, 4835

VARDEF option

PROC STDIZE statement, 4133

VARDEF= option

PROC CALIS statement, 573

PROC DISTANCE statement, 1263

PROC FACTOR statement, 1320

PROC FASTCLUS statement, 1395

PROC PRINCOMP statement, 3606

PROC VARCLUS statement, 4812

variability

VARCOMP procedure, 4832

variable (PHREG)

censoring, 3218

variable importance for projection, 3396

variable list macros

TRANSREG procedure, 4588

variable selection

CALIS procedure, 662

discriminant analysis, 4157

variable-radius kernels

MODECLUS procedure, 2870

variable-reduction method, 4799

variables,

See also classification variables

frequency (PRINQUAL), 3658

renaming (PRINQUAL), 3666

reusing (PRINQUAL), 3666

weight (PRINQUAL), 3667

variables, unaddressed

INBREED procedure, 1976

variance component

VARCOMP procedure, 4838

variance components, 2985

MIXED procedure, 2662, 2721

Variance Estimation

SURVEYLOGISTIC procedure, 4282

variance estimation, 166

SURVEYREG procedure, 4385

variance function

GENMOD procedure, 1614

variance inflation factors (VIF)

REG procedure, 3818, 3958

variance of means

LATTICE procedure, 2074

variance of the mean

SURVEYMEANS procedure, 4338

variance of the total

SURVEYMEANS procedure, 4341

variance ratios

MIXED procedure, 2707, 2714

VARIANCE statement, GENMOD procedure, 1650

variances

FACTOR procedure, 1320

ratio of, 4775, 4784, 4789

variances, test for equal, 1150

varimax method, 1291, 1317, 1318

VARIOGRAM procedure, 4851

angle classes, 4866, 4868, 4870, 4872, 4873

angle tolerance, 4866, 4868, 4870, 4872, 4873

anisotropic models, 4871

bandwidth, 4866, 4870, 4875

continuity measures, 4851

contour map, 4856

correlation length, 4860

cutoff distance, 4869

DATA= data set, 4865

distance classification, 4874

distance interval, 4856

empirical (or experimental) semivariogram, 4858

examples, 4852, 4882

histogram of pairwise distances, 4856

input data set, 4865

intervals, number of, 4856

kriging, ordinary, 4852

nested models, 4871

nugget effect, 4871

ordinary kriging, 4851

OUTDIST= data set, 4851, 4865, 4878, 4880

OUTPAIR= data set, 4851, 4866, 4881

output data sets, 4851, 4865, 4866, 4877-4881

OUTVAR= data set, 4866, 4877

pairwise distances, 4851, 4856, 4867

predicted values, 4852

semivariogram computation, 4876, 4877

semivariogram robust, 4877

semivariogram, empirical, 4856

semivariogram, robust, 4861, 4869, 4877

spatial continuity, 4851

spatial prediction, 4851, 4852

square root difference cloud, 4882

standard errors, 4852

surface plot, 4856

surface trend, 4854

syntax, 4864

VARIOGRAM procedure, COMPUTE statement, 4866

ANGLETOLERANCE= option, 4866

BANDWIDTH= option, 4866

DEPSILON= option, 4867

LAGDISTANCE= option, 4867

LAGTOLERANCE= option, 4867

MAXLAGS= option, 4867

NDIRECTIONS= option, 4868

NHCLASSES= option, 4868

NOVARIOGRAM option, 4869

OUTPDISTANCE= option, 4869

ROBUST option, 4869

VARIOGRAM procedure, COORDINATES statement , 4869

XCOORD= option, 4869

YCOORD= option, 4869

VARIOGRAM procedure, DIRECTIONS statement, 4870

VARIOGRAM procedure, PROC VARIOGRAM statement, 4865

DATA= option, 4865

OUTDISTANCE= option, 4865

OUTPAIR= option, 4866

OUTVAR= option, 4866

VARIOGRAM procedure, VAR statement, 4870

VARNAMES statement, CALIS procedure, 625

VARSCALE option

PROC PLS statement, 3377

VARWT option

TABLES statement (SURVEYFREQ), 4202

VARY option

PLOT statement (GLMPOWER), 1944

PLOT statement (POWER), 3485

VAXIS= option

PLOT statement (BOXPLOT), 509

PLOT statement (REG), 3848

PROC TREE statement, 4754

VC option

RANDOM statement (MIXED), 2716

VCI option

RANDOM statement (MIXED), 2716

VCIRY option

MIXED procedure, MODEL statement, 2764

MODEL statement (MIXED), 2705

VCORR option

RANDOM statement (MIXED), 2716

VDEP option

PROC CANCORR statement, 762

vector preference models

TRANSREG procedure, 4586

VERSION= option

NLOPTIONS statement (CALIS), 624

VFORMAT= option

BOXPLOT procedure, 510

VI option

RANDOM statement (MIXED), 2716

viewing graphs

ODS Graphics, 327

VIF,

Seevarianceinflation factors

VIF option

MODEL statement (REG), 3832

VIP, 3396

visual fit of the variogram

KRIGE2D procedure, 2045

VMINOR= option

PLOT statement (BOXPLOT), 510

VN= option

PROC CANCORR statement, 762

VNAME= option

PROC CANCORR statement, 762

VOFFSET= option

PLOT statement (BOXPLOT), 510

VP= option

PROC CANCORR statement, 762

VPAGES= option

PROC TREE statement, 4754

VPLOTS= option

PLOT statement (REG), 3851

VPREFIX= option

PROC CANCORR statement, 762

VREF= option

PLOT statement (BOXPLOT), 510

PLOT statement (REG), 3848

VREFLABELS= option

PLOT statement (BOXPLOT), 510

VREFLABPOS= option

PLOT statement (BOXPLOT), 511

VREG option

PROC CANCORR statement, 763

VSINGULAR= option

NLOPTIONS statement (CALIS), 615

PROC CALIS statement, 591

PROC NLMIXED statement, 3074

VW option

EXACT statement (NPAR1WAY), 3160

OUTPUT statement (NPAR1WAY), 3162

PROC NPAR1WAY statement, 3158

VZERO option

PLOT statement (BOXPLOT), 511