SAS 9.4 Language Reference, 6th Edition

unique values 653

updating data sets 510, 518

usage information in log 664

use considerations 656

WHERE and BY processing with 666

WHERE processing with 659

WHERE-processing performance and

190

with MODIFY statement 510

with views 665

INFILE statement

data-reading features 449

infix operators 100

INFORMAT statement

creating variables 43

Information Maps LIBNAME Engine

753

informats

as variable attribute 40

binary 453

column-binary 455

date values and 115

datetime values and 115

native or IBM 370 mode 454

time values and 115

initializing hash objects

with constructore 529

input buffers 414

creating 415

input data

preprocessing for BY-group processing

465

representing missing values in 451

input data sets

dropping, keeping, or renaming

variables 53

input data sources 14, 425

input pointer 416

INPUT statement

creating variables when reading data 42

data-reading features 449

input styles 445

reading raw data 445

input styles 445

column input 447

formatted input 448

list input 445

modified list input 446

named input 448

instantiating

hash iterator object 541

hash objects 529

Java objects 546

instream data 444

as raw data source 14

multiple input files in 427

reading raw data from 426

reading, with leading blanks and

semicolons 443

reading, with missing values 426

semicolons in 444

INTCK function

interval boundaries and 127

integrity constraints 637

CEDA processing and 643

creating with DATASETS procedure

643

creating with SCL 644

creating with SQL procedure 644

definition 637

examples 643

foreign key constraints 638

general constraints 637

indexes and 640, 670

inter-libref referential 642

listing 642

locking 641

overlapping primary and foreign key

constraints 638, 648

preservation of 639

reactivating 648

recovering when disabled 759

referential constraints 638

rejected observations 642

removing 647

specifying 641

inter-libref referential integrity constraints

642

interactive line mode 8

interactive mode

SAS log in 166

interface data files 616

interface DATA step engine 714

interface library engines 752

BMDP 752

OSIRIS 752

SPSS 752

view engines 752

interface view engine 712

interface views 675

interleaving data sets 482, 491

comments and comparisons 496

DATA step processing during 492

different BY values in each data set 495

duplicate values of BY variable 494

simple interleaving 493

sort requirements 492

syntax 492

international characters 286, 299

Internet Protocol Version 6

See IPv6

intervals 123

Index 829