

umx 1.0.0
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* Full support (create, plot, summary) for CP twin models!
* Full support (create, plot, summary) for IP twin models!
* Full support (create, plot, summary) for GxE twin models!
* Fixed limitation in umxPath where "to" was not being set.
* Add support for circles as well as lines for residualvariance
* Improve help text. Thanks Mike Neale esp.!
* Improved organization of functions into @families in the help.
* Improved example for umx_lower2full()
* Dropped umxRAM functionality to set endogenous, exogenous, and latent traits
* Dropped a dozen deprecated functions.

umx 0.50.0
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* First CRAN release

umx 0.49.0
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* Ensuring edge cases work
* Improving help files and feedback
* rationalizing fn names into @families

umx 0.45-beta
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* Feature complete
* Bug squashing
* Optimizing fn names for memorability and typing

umx 0.40-beta
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* Beta level!
* Standard confint(); plot() etc functions implemented
* Adding umxRAM() and umxPath shortcuts

umx 0.30-alpha
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* Alpha release
* 90% feature complete
* lots of name rationalization

umx 0.25-alpha
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* Alpha release
* 80% feature complete
* Function prefix reflects usage:: umxMajor, umx_utility_function, xmuNotForUser