NEWS

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tranSurv 1.2.2 (2021-01-12)

• Add optim() in search and update searching algorithm
  • Fixed bugs in piecewise models
  • Re-calculate the censoring survival estimates with Nelson-Aalen estimate when there the KM estimates drop to 0 at early times.
  • Set robust = FALSE in coxph() to avoid calculating robust variance estimator when a is extreme.

tranSurv 1.2.1 (2020-07-28)

• Use grid search (rootSolve then optim) in finding a
  • Updated piecewise model so a is optimized globally
  • Added goodness of fit test

tranSurv 1.2.0 (2019-05-24)

• Passed CRAN checks
  • Added regression method, trReg()