Generic SEM factor model loading rotation function
See umxRotate.MxModelCP() to rotate the factor loadings of a umxCP() model
umxRotate(
  model,
  rotation = c("varimax", "promax"),
  tryHard = "yes",
  freeLoadingsAfter = TRUE,
  verbose = TRUE
)| model | a model to rotate | 
| rotation | name of the rotation. | 
| tryHard | Default ("yes") is to tryHard | 
| freeLoadingsAfter | Whether to keep the rotated loadings fixed (Default, free them again) | 
| verbose | print detail about the rotation | 
Rotated solution
Other Reporting functions: 
RMSEA.MxModel(),
RMSEA.summary.mxmodel(),
RMSEA(),
extractAIC.MxModel(),
loadings(),
residuals.MxModel(),
tmx_show.MxMatrix(),
tmx_show(),
umxCI_boot(),
umxCI(),
umxConfint(),
umxExpCov(),
umxExpMeans(),
umxFitIndices()
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