Module G11SAF in NAG

• NAG Information

• Components
  • Documentation from ITL
  • Example from ITL
  • Example-input from ITL
  • Example-output from ITL

G11SAF

 
Fits a latent variable model (with a single factor) to data consisting of a set of
measurements on individuals in the form of binary-valued sequences (generally
referred to as score patterns). Various measures of goodness of fit are
calculated along with the factor (theta) scores.
 
Classes  :  L13a . Factor analysis
 
Type     : Fortran subroutine in NAG library (G11 sublibrary).
Access   : Proprietary. Many implementations available.
Precision: Double.
 
Usage    : CALL G11SAF (IP, N, GPROB, IS, X, NRX, IRL, A, C, IPRINT, CGETOL,
           MAXIT, CHISQR, ISHOW, NITER, ALPHA, PIGAM, CM, ICM,G,EXPP, NRE, OBS,
           EXF, Y, XL, IOB, RLOGL, CHI,IDF,SIGLEV, W, LW, IFAIL)
 
See also : G11SBF
 
Details  : Documentation Example Example-input Example-output
Sites    : (1) AIX (2) ITL
 

Implementation of G11SAF from NAG on AIX

 
AIX:       IBM RS6000, National Institute of Standards and Technology (NIST),
           Gaithersburg, MD. Available to NIST staff.
 
Precision: Double.
 
Access available only to NIST staff on internal Unix systems. They may access this
package provided the /itl tree is cross-mounted.
 
   Link         : f77 -o prog prog.f -L/itl/links/generic/lib -lnag
   Documentation: acroread
                  /itl/apps/naglib-19/docs/NAGdoc/fl/pdf/G11/g11saf_fl19.pdf
   Example      : cat
                  /itl/apps/naglib-19/flib619da/examples/source/g11safe.f
   Example-input: cat
                  /itl/apps/naglib-19/flib619da/examples/data/g11safe.d
   Example-outpu: cat
                  /itl/apps/naglib-19/flib619da/examples/results/g11safe.r
 

Implementation of G11SAF from NAG on ITL

 
ITL:       Unix Workstation Network, National Institute of Standards and
           Technology (NIST), Gaithersburg, MD. Available to NIST staff.
 
Precision: Double.
 
Access available only to NIST staff on internal Unix systems. They may access this
package provided the /itl tree is cross-mounted.
 
   Link         : f77 -o prog prog.f {-lcomplib.sgimath}
                  -L/itl/links/generic/{lib lib32 lib64}{/mips3 /mips4}
                  -lnag
   Documentation: acroread
                  /itl/apps/naglib-19/flib619da/NAGdoc/fl/pdf/G11/g11saf_fl19.pdf
   Example      : cat
                  /itl/apps/naglib-19/flib619da/examples/source/g11safe.f
   Example-input: cat
                  /itl/apps/naglib-19/flib619da/examples/data/g11safe.d
   Example-outpu: cat
                  /itl/apps/naglib-19/flib619da/examples/results/g11safe.r