NEWS for the epifit package

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epifit 0.1.2 (2017/1/6)

* Added strscan function
* Supported counting process style of input in Cox regression model

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epifit 0.1.1 (2016/10/27)

* epifit modelexpr argument allows more than two lines in model specification
* Minor bug fix in convertNA function and added some new features
* Added "automatic" mode in convertFromFactor function
* Added warning message in selectVariable function

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epifit 0.1.0 (2016/5/1)

* Several minor bugs were fixed in epifit function
* Some names of arguments are changed (modeleq->modelexpr, equations->preexpr, initeq->initexpr, itereq->timedepexpr)
* "endeq" argument in epifit function was deleted
* Option specification format in epifit function was changed (ties(breslow) -> ties=breslow)
* Supported inital parameter value search by specifying candidate value list to init argument
* Introduced nullparam argument in epifit function to specify parameter values for null model
* Supported time depedent covariate in Cox regression model
* Added some helper functions for time dependent covariate for Cox regression
* Added getIndex function
* Added selectByIndex function
* Added selectVariable function

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epifit 0.0.6 (2016/3/1)

* Added choose option in pullOneValue function
* calcAge function support vector of target date

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epifit 0.0.5 (2016/2/1)

* Added showContents function
* Added convertFromFactor function
* Added listNumericIncompatiblity function

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epifit 0.0.4 (2015/11/01)

* Added removeVariable function
* Added extractVariable function
* Added countNA function
* Added calcAge function
* Added pullOneValue function
* Added convertNA function

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epifit 0.0.3 (2015/10/01)

* Added pytable function
* Enabled joint model estimation
* Some inner functions are optimized (equation manipulation functions)

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epifit 0.0.2 (2015/09/01)

* Enabled "ties=average" and "ties=discrete" option in Cox regression
* Distributional specifications has changed in some distributions 
  (poisson -> pois, normal -> norm, binomial -> binom)
* Enabled ByteCompile option in DESCRIPTION file

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epifit 0.0.1 (2015/08/22)

FIRST VERSION

* This is the first version to be made public
