Index_N | SAS/STAT 9.1 Users Guide, Volumes 1-7

N

name -lists

POWER procedure, 3490

natural response rate, 3705, 3707, 3711, 3713

nearest centroid sorting, 1380

nearest neighbor method,

See also single linkage

DISCRIM procedure, 1158, 1161

negative binomial distribution

GENMOD procedure, 1652

NLMIXED procedure, 3078

negative variance components

VARCOMP procedure, 4838

neighborhood distribution function (NDF), definition

MODECLUS procedure, 2878

Nelder-Mead simplex, 3073

nested design, 2985

error terms, 2991

generating with PLAN procedure, 3353

hypothesis tests (NESTED), 2990

nested effects

design matrix (CATMOD), 878

GENMOD procedure, 1660

MIXED procedure, 2745

model parameterization (GLM), 1789

specifying (ANOVA), 451, 453

specifying (CATMOD), 864

specifying (GLM), 1785

nested error structure

MIXED procedure, 2814

nested models

KRIGE2D procedure, 2050, 2051

VARIOGRAM procedure, 4871

NESTED procedure

analysis of covariation, 2990

compared to other procedures, 1735, 2665, 2985

computational method, 2991

input data sets, 2988

introductory example, 2986

missing values, 2990

ODS table names , 2994

random effects, 2990

unbalanced design, 2990

nested- by-value effects

specifying (CATMOD), 865

network algorithm, 1509, 3172

Newman-Keuls' multiple range test, 444, 1769, 1814

Newton algorithm

FASTCLUS procedure, 1392

Newton-Raphson algorithm

CALIS procedure, 578, 580, 581, 665

GENMOD procedure, 1655

iteration (PHREG), 3222

LIFEREG procedure, 2083

LOGISTIC procedure, 2317, 2318, 2336, 2338

method (PHREG), 3245

MIXED procedure, 2738

NLMIXED procedure, 3073

PROBIT procedure, 3756

SURVEYLOGISTIC procedure, 4264, 4265, 4277

NLIN procedure

analytic derivatives, 3011, 3017

automatic derivatives, 3017

close-to-linear, 3019

confidence interval, 3013, 3014, 3028, 3029

convergence, 3022

convergence criterion, 3006

cross-referencing variables , 3010

debugging execution, 3008

derivatives, 3011, 3017

displayed output, 3006

G2 inverse, 3025

G4 inverse, 3008

Gauss iterative method, 3008

Gauss-Newton method, 3024, 3027

generalized inverse, 3025

gradient method, 3024, 3025

Hessian, 3026, 3030

Hougaard's measure, 3008, 3019

imposing bounds, 3010

incompatibilities, 3031, 3032

initial values, 3015

iteratively reweighted least squares example, 3038

Lagrange multiplier , 3010

Lagrange multipliers, covariance matrix, 3030

Marquardt iterative method, 3008, 3024, 3027

maximum iterations, 3008

maximum subiterations, 3008

mean square error specification, 3009

missing values, 3020

model confidence interval, 3029

model.variable syntax, 3012

Newton iterative method, 3008, 3024, 3026

object convergence measure, 3003

output table names, 3033

parameter confidence interval, 3028

parameter covariance matrix, 3029

PPC convergence measure, 3003

predicted values, output, 3014

R convergence measure, 3003

residual values, output, 3014

retaining variables, 3011, 3016

RPC convergence measure, 3003

segmented model example, 3034

singularity criterion, 3009

skewness , 3004, 3008, 3019

SMETHOD=GOLDEN step size search, 3028

special variables, 3020

standard error, 3014

steepest descent method, 3024, 3025

step size search, 3028

troubleshooting, 3022

tuning display of iteration computation, 3009

weighted regression, 3021

NLMIXED procedure

Accelerated failure time model, 3128

active set methods , 3093

adaptive Gaussian quadrature, 3084

additional estimates, 3076, 3106

alpha level, 3061

arrays, 3074

assumptions, 3083

Bernoulli distribution, 3077

binary distribution, 3077

binomial distribution, 3077

bounds, 3075

compared with other SAS procedures and macros, 3048

computational problems, 3098

computational resources, 3103

contrasts, 3076

convergence criteria, 3060, 3065, 3087

convergence problems, 3099

covariance matrix, 3061, 3101, 3106

degrees of freedom, 3062

empirical Bayes estimation, 3084

empirical Bayes options, 3062

finite differencing, 3064, 3091

first-order method, 3085

fit statistics, 3106

floating point errors, 3098

Frailty model example, 3128

functional convergence criteria, 3063

gamma distribution, 3077

Gaussian distribution, 3077

general distribution, 3078

generalized inverse, 3065

growth curve example, 3049

Hessian matrix, 3066

Hessian scaling, 3065, 3093

integral approximations, 3070, 3084

iteration history, 3067, 3104

lag functionality, 3081

Lagrange multiplier, 3093

line-search methods, 3066, 3067, 3096

logistic-normal example, 3053

long run times, 3098

maximum likelihood , 3048

negative binomial distribution, 3078

normal distribution, 3077, 3080

notation, 3083

ODS table names, 3107

optimization techniques, 3072, 3086

options summary, 3058

overflows, 3098

parameter estimates, 3106

parameter rescaling , 3098

parameter specification, 3078

pharmakokinetics example, 3107

Poisson distribution, 3078

Poisson-normal example, 3124

precision, 3101

prediction, 3079, 3102

probit-normal-binomial example, 3114

probit-normal-ordinal example, 3118

programming statements, 3081

projected gradient, 3093

projected Hessian, 3093

quadrature options, 3071

random effects, 3079

references, 3138

replicate subjects, 3080

singularity tolerances, 3072

sorting of input data set, 3062, 3079

stationary point, 3100

step length options, 3096

syntax summary, 3057

termination criteria, 3060, 3087

update methods, 3073

nominal level of measurement

DISTANCE procedure, 1249

nominal power

GLMPOWER procedure, 1946, 1947, 1953

POWER procedure, 3419, 3494, 3496

nominal variable

DISTANCE procedure, 1251

nominal variables, 72,