Index of Control Variables

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Commonly-used Control Variables

scored category label file

CLFILE=

codes label file

CODES=

valid & missing data codes

CSV=

comma-separated values in output files

DATA=

name of data file

EDFILE=

edit data file

GROUPS=

assigns items to rating scale or partial credit groupings (same as ISGROUPS=)

IAFILE=

item anchor file

IDFILE=

item deletion file

IFILE=

item output file

IREFER=

identifying items for recoding

ISELECT=

item selection criterion

ISGROUPS=

assigns items to rating scale or partial credit groupings (same as GROUPS=)

sort column in item label

ISUBTOTAL=

subtotal items by specified columns

ITEM=

title for item labels

ITEM1=

column number of first response

IVALUEx=

recoding for items

KEYn=

scoring key

MRANGE=

half-range of measures on plots

NAME1=

first column of person label

NAMLEN=

length of person label

NEWSCORE=

recoding values

NI=

number of items

PAFILE=

person anchor file

PDFILE=

person deletion file

PERSON=

title for person labels

PFILE=

person output file

PSELECT=

person selection criterion

PSORT=

sort column in person label

PSUBTOTAL=

subtotal persons by specified columns

RESCORE=

controls response recoding

SAFILE=

structure anchor file

SFILE=

structure output file

STKEEP=

keep non-observed categories in structure

TITLE=

title for output listing

UANCHOR=

anchor values in user-scaled units

UASCALE=

anchor user-scale value of 1 logit

UDECIMALS=

number of decimal places reported

UIMEAN=

reported user-set mean of item measures

UMEAN=

reported user-set mean of item measures

UPMEAN=

reported user-set mean of person measures

USCALE=

reported user-scaled value for 1 logit

XFILE=

analyzed response file

XWIDE=

columns per response

 

Special-purpose Control Variables

@FIELD=

user-defined field locations

ALPHANUM=

alphabetic numbering to exceed 9 with XWIDE=1

ASCII=

output only ASCII characters

ASYMPTOTE=

report estimates of upper and lower asymptotes

BATCH=

set batch mode

BYITEM=

show empirical curves for items

CATREF=

reference category: Table 2

CHART=

graphical plots of measures

CONVERGE=

select convergence criteria

CURVES=

probability curve selection: Tables 21, 2

CUTHI=

cut off responses with high probability

CUTLO=

cut off responses with low probability

DELIMITER=

delimiter of input response data fields

DIF=

person label columns for DIF

DISCRIM=

display item discrimination estimates

DISFILE=

category/distractor/response option count file

DISTRT=

output category/distractor/option counts

DPF=

item label columns for DPF

EQFILE=

code equivalences

EXTRSCORE=

extreme score adjustment

FITHIGH=

lower bar in charts

FITI=

item misfit criterion

FITLOW=

lower bar in charts

FITP=

person misfit criterion

FORMAT=

reformat data

FORMFD=

form-feed character

FRANGE=

half-range of fit statistics on plots

G0ZONE=

percent of 0's within 0-zone among which all 1's are turned to 0's

G1ZONE=

percent of 1's within 1-zone among which all 0's are turned to 1's

GRFILE=

graphing file for probability curves

GRPFROM=

location of ISGROUPS=

GUFILE=

Guttmanized file of responses

HEADER=

display or suppress Sub-Table Headings after the first

HIADJ=

correction for top categories

HLINES=

heading lines in output files

IANCHQU=

anchor items interactively

ICORFILE=

inter-item residual correlations

IDELETE=

one-line item deletion list

IDELQU=

delete items interactively

IDROPEXTR=

remove items with extreme scores

ILFILE=

item label file

IMAP=

item label for item maps

INUMB=

label items by sequence number

IPMATRIX=

response matrix (Output Files menu only)

ISFILE=

item-structure output file

ITLEN=

maximum length of item label

IWEIGHT=

item (variable) weighting

KEYFORM=

KeyForm skeleton for Excel plot

KEYFROM=

location of KEYn=

KEYSCR=

reassign scoring keys

LCONV=

logit change at convergence

LINELENGTH=

length of printed lines

LOCAL=

locally restandardize fit statistics

LOGFILE=

accumulates control files

LOWADJ=

correction for bottom categories

MAKEKEY=

construct an MCQ scoring key

MATRIX=

correlation output format

MAXPAGE=

maximum number of lines per page

MFORMS=

reformatting input records & multiple forms

MHSLICE=

size of Mantel or Mantel-Haenszel slice

MISSCORE=

scored value of missing data: not your missing-data code

MJMLE=

maximum number of JMLE iterations

MNSQ=

show mean-square or t standardized fit

MODELS=

assigns model types to items

MODFROM=

location of MODELS=

MPROX=

maximum number of PROX iterations

MUCON=

maximum number of JMLE iterations

NAMLMP=

label length on maps

NORMAL=

normal distribution for standardizing fit

OSORT=

category/option/distractor sorted by score, count or measure

OUTFIT=

sort misfits on outfit or infit

PAIRED=

correction for paired comparison data

PANCHQU=

anchor persons interactively

PCORFIL=

inter-person residual correlations

PDELETE=

one-line person deletion list

PDELQU=

delete persons interactively

PDROPEXTR=

remove persons with extreme scores

PMAP=

person label for person maps

PRCOMP=

residual type for principal components/contrast analysis

PTBISERIAL=

report point-biserial correlations

PVALUE=

report item p-values

PWEIGHT=

person (case) weighting

QUOTED=

quote-marks around labels

RCONV=

score residual at convergence

REALSE=

inflate S.E. of measures for misfit

RESFRM=

location of RESCORE=

RFILE=

scored response output file

SAITEM=

multiple ISGROUPS= format in SFILE= & SAFILE=

SANCHQU=

anchor structure interactively

SCOREFILE=

score-to-measure file

SDELQU=

delete structure interactively

SDFILE=

structure deletion file

SEPARATOR=

delimiter of input response data fields

SICOMPLETE=

simulate complete data

SIEXTREME=

simulate extreme scores = Yes

SIFILE=

simulated data file

SINUMBER=

number of simulated data files = 1

SISEED=

simulated data seed = 0 (clock)

SPFILE=

supplemental control file

STBIAS=

correct for estimation bias

STEPT3=

structure summary in Table 3.2 or 21

T1I#=

items per # in Table 1

T1P#=

persons per # in Table 1

TABLES=

output table selection

TARGET=

information-weighted estimation

TFILE=

input file of table numbers to be output

TOTALSCORE=

show total observed score and count

TRPOFILE=

transposed file

TRPOTYPE=

transposed file type

UCOUNT=

most unexpected responses in Tables 6 and 10.

WHEXACT=

Wilson-Hilferty exact normalization

W300=

produce IFILE= and PFILE= in 3.00 format

XMLE=

consistent, almost unbiased, estimation (experimental)


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