Revision of omxsetparameters from Thu, 07/08/2010 - 11:27

The revisions let you track differences between multiple versions of a post.

omxSetParameters

Very handy function to modify the attributes of matrix cells in a model.

Wiki home page

Table of Contents 

note: This function cannot modify parameters that have NA labels (i,e, label your matrix cells if you want to use this to set and drop parameters.

Usage

omxSetParameters(model, labels, free = NULL, values = NULL, newlabels = NULL, lbound = NULL, ubound = NULL, indep = FALSE)

Arguments

  • model a MxModel object.
  • labels a character vector of target parameter names.
  • free a boolean vector of parameter free/fixed designations.
  • values a numeric vector of parameter values.
  • newlabels a character vector of new parameter names.
  • lbound a numeric vector of lower bound values.
  • ubound a numeric vector of upper bound values.
  • indep boolean. set parameters in independent submodels.

Examples

A <- mxMatrix('Full', 3, 3, labels = c('a','b', NA), free = TRUE, name = 'A')
model <- mxModel(A, name = 'model')
model <- omxSetParameters(model, c('a', 'b'), values = c(1, 2)) # set value of cells labelled "a" and "b" to 1 and 2 respectively
model <- omxSetParameters(model, c('a', 'b'), newlabels = c('b', 'a')) # set label of cell labelled "a" to "b" and vice versa

See Also

omxGetParameters, omxAssignFirstParameters

Please add material here as you learn... If you have questions not answers, then add those here: That's how a wiki works.