specification display 492 state graphs 484

views 179 sspace 482 Stability test 241

Stack matrix by column 630 lower triangle 631

Stack workfile page 396 Standard deviation 579 Starting values 404 Stata file 532

statby 482 State space

specification 492 State variables

display graphs of 484

final one-step ahead predictions 485 initial values 486

smoothed series 362 statefinal 485 stategraphs 484 stateinit 486

Static forecast 297

Statistical distribution functions 584 Statistics 274

compute for subgroups 482 stats 487

Status line 488 statusline 488, 639 step 640

stom 488, 627 stomna 489, 627 stop 641

Stop program execution 107, 641 store 490

Store object in database or databank 16, 490 String 89

assign to table cell 48 change case 127 concatenation 120

convert date string to observation 128 convert date value into 597

convert date value to string 141 convert from a number 606 convert into date value 598 convert number to string 127

convert string to number 124 convert to a scalar 608

converting string to date number 125, 140 converting to numbers 124

current date as a string 128 extract portion 125, 126 find substring 124

find substring in 600 functions 124

insert string into 600

insert string into another string 126 length 124, 602

length of 607 lowercase 602 missing value 119, 123 null string 119 operators 120

relational comparison 121

relational comparisons with empty strings 123 replace portion of string with new string 126 replace substring in 605

substring 601, 606 test for blank 601

test for blank string 124 test for equality 599 test for inequality 604

test two strings for equality 124 test two strings for inequality 125 trim spaces 126

trim spaces from ends 602, 606, 608 uppercase 608

String variable 89

as replacement variable 91 convert to a scalar 90

in for loop 104

program arguments 97, 98 structure 492

Structure workfile page 399 Subroutine 109

arguments 110 call 111, 633 declare 641 define 109 global 112 local 114 mark end 634 placement 111

return from 109, 639