NEWS about R package flexrsurv
      
Version 2.0.18 - 2024-02-01
      o confidence levels are computed in predict()
      o bug fixes (getPseudoHazardFromTable) 
      
Version 2.0.17 - 2023-06-02
      o the package is now encoded in UTF-8 
      
Version 2.0.16 - 2023-01-02
      o new method extractAIC.flexrsurv
      o bug correction in getPsuedoHazardFromTable and getBrassPseudoHazardFromTable
      o corrections needed for R 4.3

Version 2.0.15 - 2023-01-02
      o code review and optimization for spline basis used in life table correction model
      o new spline basis for life table correction model : linear-tailed B-spline basis

Version 2.0.14 - 2022-11-26
      o exact constraint for restricted spline with degree less than 3
      o use of nloptr in case of table correction model  
      
Version 2.0.13 - 2022-11-21
      o flexrsurvclt now use the parameter lower and upper in case of no table correction model

Version 2.0.12 - 2022-08-25
      o minor corrections, the method predictSpline is now exported

Version 2.0.11 - 2022-08-23
      o minor corrections, test for availability of suggested packages in examples

Version 2.0.10 - 2022-06-25
      o bug correction for restricted spline with degree less than 3

Version 2.0.9 - 2022-06-15
      o method to extract life table correction model from a flexrsurvclt fit
      o method to compute the values of a spline function 
      
Version 2.0.8 - 2022-06-01
      o corrections needed for R 4.3
      
Version 2.0.7 - 2022-01-28
      o minor corrections 
      
Version 2.0.6 - 2021-12-09
      o corrections in warning messages
      o add n, nobs, nevent to returned objects
      
Version 2.0.5 - 2021-11-15
      o update S3 class flexrsurv.mle

Version 2.0.4 - 2021-10-22
      o new contraints for the parameters of the correction model
      o new S3 method vcov.flexrsurv 

Version 2.0.3 - 2021-10-04
      o minor corrections 

Version 2.0.1 - 2020-05-04
      o period-model for correcting the population life table 

Version 2.0.0 - 2020-15-03
      o model for correcting the population life table 
      o weighted cumulative exposure effect
      o function  to retrieve hazard and cumulative hazard in a table

Version 1.4.5 - 2020-02-03
      o minor corrections in help pages
           
Version 1.4.4 - 2019-12-05
      o code optimisation
      o S3 methods logLik() et nobs()
      o code corrections to make the test pass when _R_CHECK_LENGTH_1_CONDITION_ is set to true 
      
Version 1.4.3 - 2018-10-08
      o rename several C functions
	  
Version 1.4.2 - 2018-08-08
      o implementation of Gauss Legendre quadrature
      o bug corrections in predict.flexrsurv() in case of NPHNLL effect
	  
Version 1.4.1 - 2017-05-12
      o registration of native routines
      
Version 1.3.7 - 2017-01-12
      o New predict() S3 method for fexrsurv objects produced by flexrsurv() see help(predict.flexrsurv)
      o Change in the default values of the boundary knots of the time (Boundary.knots.t) in NPH and NPHNLL terms. The default is now the boundary knots of the baseline hazard. 
      o Fix issue when the variance matrix cannot be computed
      o New dependecy: package:formula.tools in Depends and package:ggplot2 in suggested

Version 1.3.3 - 2016-04-26
       o First version released on CRAN

