Datafile line qualifiers controlling model output options

Purpose

These qualifiers control aspects of the output reported after a model is fitted.

Common qualifiers

  • !DDF i gives the user some control of the calculation of the denominator degrees of freedom. The ASReml default action depends on the size and nature of the job.
    !DDF -1 suppresses calculation of the denominator degrees of freedom (and consequently the calculation of significance probablities) for F-statistics reported in the ANOVA table.
  • !DISPLAY !NODISPLAY
  • !FCON requests ASReml report Conditional F statistics as well as the standard incremental F statistics be reported in the ANOVA table.
  • !MAXIT n sets the maximum number of REML iterations.

    Own F tests

    !FOWN terms to test ; background terms allows the user to explicity specify the particular F tests required.

    Modifying output format:

    The format of the .pvs, .sln, .tab and .yht files can be changed to TAB, COMMA or Ampersand separated ( .tex form) using the !PVSFORM, !TABFORM, !TXTFORM, !SLNFORM, !YHTFORM qualifiers. The file extension is also changed. For example .sln becomes _sln.txt if !SLNFORM is specified.

    Equation ordering:

    The processing efficiency of ASReml is very dependent on the order the equations are solved. Some user control is provided by the !EQORDER and !LAST qualifiers.

    The amount of detail written to the .asr file can be reduced using the !BRIEF qualifier.

    Variogram settings:

    The variogram is a popular diagnostic plot for examining spatial dependence. By default ASReml will produce a variogram display for spatially dependent residuals or BLUPs. Some user control is possible with the !SPATIAL, !TWOWAY and !VGSECTORS qualifiers. h2 Alternative Outlier Model !OUTLIER invokes a more formal calculation of the relative size of random effects and the residual, and reports values exceeding 3 standard deviations to the .res file. More?

    Regression Screen:

    A regression screen involves comparing the fit of (a subset of) all possible models obtained by selecting from a set of model terms. This is requested in ASReml with the !SCREEN   [ !SMX ] qualifiers.

    Variogram settings:

    The variogram is a popular diagnostic plot for examining spatial dependence. By default ASReml will produce a variogram display for spatially dependent residuals or BLUPs. Some user control is possible with the !SPATIAL, !TWOWAY and !VGSECTORS qualifiers.

    Other output qualifiers

  • !CINV
  • !CMAT !CPMAT !CAMAT CIPMAT CIMAT !DOUBLE
  • !DESIGN
  • !GINDEX
  • !OUTLIER
  • !REPORT
  • !RESIDUALS
  • !SCORE
  • !TAU
  • !WVR

    Return to index