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// Amelia II - User visible changes
//
//
//
== 1.7.4 (21 Nov 2015) ==
* Fixed issue with log axes in overimpute
* Allow for vector in 'main' argument in tscsPlot()
* Moved a collinearity check from error to warning.
* Handle subsets better in moPrep()
* tscsPlot() won't throw an error when cs is unspecified and plotall=TRUE
* Fixed other small bugs and issues
== 1.7.3 (14 Nov 2014) ==
* Fixed bug with overimp not being respected
* Added an argument boot.type='none' to amelia() to allow it to run on the original, non-bootstrapped data
* Fixed bug in plot.amelia() with matrix inputs
* Fixed bug with lower bounds not being respected
* Made compatible with most recent versions of Rcpp and RcppArmadillo
== 1.7.2 (08 Jun 2013) ==
* Bug fixes to priors (especially important for multiple overimputation).
* Fixed issue with names of imputations for integration with Zelig.
== 1.7.1 (24 Mar 2013) ==
* Speed improvement (thanks to Paul Johnson).
* Amelia now requires R>=2.13.5
* missmap() now displays correctly when data is completely observed.
* An error is now called when users try to use overimpute() on a variable marked as nominal.
* Fixed a bug when all imputations resulted in uninvertible covariance matrices.
* Fixed a bug where incorrectly setting the emburn argument could cause a segfault.
* Various package cleanups for CRAN compatibility.
== 1.7 (10 Feb 2013) ==
* Ported core EM algorithm to C++. Speed should increase.
* Plots in AmeliaView should now use Quartz on Mac OS X instead of X11.
* Amelia now requires R >=2.14.0.
* Amelia now can run its imputations in parallel using infrastructure from R's parallel package. Note that R < 2.15.3 will crash if parallel is used while tcltk is loaded (or has been loaded and then unloaded). This will be fixed in R 2.15.3 (the patched version of 2.15.2) and we will require R>=2.15.3 when that version is released.
* Fixed bug with priors not working correctly.
* Fixed bug with character variables set to nominal.
== 1.6 (22 Feb 2012) ==
* Added a transform function to create transformed variables
in the imputed datasets.
* Added a mi.meld() function that can combine quantities of
interest using the Rubin rules.
* Added a subset arugment to overimpute.
* write.amelia() can now create a stacked/long imputed
datatset (also updated to AmeliaView)
* Fixed a bug in moPrep (Thanks to Jeff Arnold for the patch)
* missmap() has an arugment to not re-order the variables.
== 1.5-4 ==
* Fixed a bug with error messages.
== 1.5-3 ==
* Fixed a bug with completely missing rows in the tscsPlot().
== 1.5-2 (26 Apr 2011) ==
* Fixed a bug in the handling of priors.
== 1.5-1 (23 Nov 2010) ==
* Fixed a bug in the new GUI where it didn't respect the "intercs" option.
== 1.5-0 (23 Nov 2010) ==
* Major changes to the AmeliaView GUI.
== 1.2-18 (4 Nov 2010) ==
* Fixed a bug when all variables are set to nominal or ordinal.
== 1.2-17 (10 May 2010) ==
* Fixed a bug with the 'ask' argument when using "plot" on an
'amelia' object.
== 1.2-16 (20 Mar 2010) ==
* Fixed a bug when priors specified.
* When priors are used, Amelia now tries to use starting values
with the prior-filled data.
== 1.2-15 (20 Feb 2010) ==
* Fixed a bug when only 1 variable is not an ID variable or a
nominal/ordinal variable.
* Fixed a bug with the naming of columns in the imputation
process.
== 1.2-14 (16 Nov 2009) ==
* Fixed a bug that "ords" variables would return multiple copies
of the same level.
== 1.2-13 (09 Aug 2009) ==
* Fixed a small bug in the error checking routines that handled
nominal variables.
== 1.2-12 (11 Jul 2009) ==
* Fixed a bug in AmeliaView that caused it to crash.
== 1.2-11 (10 Jul 2009) ==
* Minor bugfixes in removing test code from AmeliaView() and
handling of the priors.
== 1.2-10 (07 Jul 2009) ==
* Fixed a bug in the error checking routine that occurred when
users put all of their variables into one of (idvars, noms,
ords, ts, cs).
== 1.2-9 (02 Jul 2009) ==
* Fixed typos in the manual with regard to ridge priors and
clarified the advice about them.
=== 1.2-8 (01 Jul 2009) ==
* Major update to the Amelia manual (now compiled as a vignette
using Sweave).
* Changed a typo that stated values were the "percent missing"
when they should have been "fraction missing." This is fixed.
=== 1.2-7 (29 Jul 2009) ==
* In the amelia output, mu and covMatrices now have relevant
dimension names to be able to tell which column which.
* Fixed a bug in the handling of priors that may have affected
answers, but not significantly.
* The missmap() function can now accept any matrix or data.frame,
not just Amelia output. This allows for drawing a missingness
map before running amelia().
== 1.2-0 (09 Apr 2009) ==
* Amelia output is now an instance of the S3 class 'amelia'.
* Imputations are now stored in a list of length 'm' (the number
of imputations) in output$imputations, which is of the class
'mi', making it simple to pass to Zelig.
* Amelia output contains a matrix of means (one column for each
imputation) and an array of covariance matrices. These are the
posterior modes found by the EM algorithm in each imputation.
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