Issues

• Documentation for flexsurvrtrunc misleading about covariate support

  chjackson/flexsurv#218 · Filter by author chjackson opened on Apr 9, 2026
  

• flexsurvspline: optimization errors when using left-truncation for age at study entry

  chjackson/flexsurv#217 · Filter by author jarbet opened on Mar 9, 2026
  3

• Goodness of fit test?

  chjackson/flexsurv#213 · Filter by author jarbet opened on Dec 19, 2025
  3

• standsurv for flexsurvspline incorporating competing risk?

  chjackson/flexsurv#210 · Filter by author XinyuZou97 opened on Oct 9, 2025
  6

• Robust standard errors?

  chjackson/flexsurv#208 · Filter by author jalavery opened on Jun 18, 2025
  4

• sim.fmsm gives different number of transitions when simulating same sample size

  chjackson/flexsurv#207 · Filter by author mafed opened on Apr 3, 2025
  1

• Question about non decrasing cumulative hazard function

  chjackson/flexsurv#206 · Filter by author MWIESNERVOLVO opened on Mar 22, 2025
  9

• Implementation of optimizers other than those in optim

  enhancement
  chjackson/flexsurv#200 · Filter by author colinorourke opened on Nov 27, 2024
  1

• Again: Flexsurvspline: initial value in 'vmmin' is not finite

  chjackson/flexsurv#199 · Filter by author Lee-xli opened on Nov 9, 2024
  4

• standsurv fails with bootstrap=T and cl=0.99

  chjackson/flexsurv#195 · Filter by author helmingstay opened on Aug 9, 2024
  3

• predict.flexsurvreg() doesn't nest for a single time point

  chjackson/flexsurv#191 · Filter by author hfrick opened on Apr 18, 2024
  4

• Random effects/frailty models?

  enhancement
  chjackson/flexsurv#185 · Filter by author casasgomezuribarri opened on Apr 2, 2024
  3

• coxsnell_flexsurvreg fails if the model formula contains a function call

  bug
  chjackson/flexsurv#181 · Filter by author chjackson opened on Feb 17, 2024

• Repeated measures for time-dependent covariates

  chjackson/flexsurv#176 · Filter by author mengyi-git opened on Jan 3, 2024
  6

• faster bootstrap iterations for large data?

  chjackson/flexsurv#168 · Filter by author markdanese opened on Aug 10, 2023
  3

• Splines not supported by standsurv without specifying newdata

  chjackson/flexsurv#167 · Filter by author markdanese opened on Jul 21, 2023
  2

• sim.fmsm() different results with tidy=TRUE vs tidy=FALSE

  chjackson/flexsurv#163 · Filter by author mafed opened on Jun 19, 2023
  3

• Expected number of visits from a fmsm() model

  enhancement
  chjackson/flexsurv#153 · Filter by author mattwarkentin opened on Feb 8, 2023
  1

• allow conditional sampling in 'sim.fmsm()' ?

  chjackson/flexsurv#152 · Filter by author kkmann opened on Jan 20, 2023
  4

• New S3 methods for fmsm objects

  enhancement
  chjackson/flexsurv#131 · Filter by author mattwarkentin opened on Jun 1, 2022
  2

• Using flexsurv to fit a piecewise exponential model

  enhancement
  chjackson/flexsurv#115 · Filter by author elong0527 opened on Jan 28, 2022
  4

• Flexible parametric competing risks models

  enhancement
  chjackson/flexsurv#93 · Filter by author mattwarkentin opened on Mar 12, 2021
  1

• More methods needed for residuals.flexsurvreg

  enhancement
  chjackson/flexsurv#78 · Filter by author chjackson opened on Jun 10, 2020
  8

• flexsurvreg handles uncentered and/or high-variance predictors particularly badly

  chjackson/flexsurv#67 · Filter by author dwalsh-css opened on Oct 19, 2019
  3

• error "invalid survival times for this distribution" for all interval censored data

  chjackson/flexsurv#62 · Filter by author tdhock opened on Apr 5, 2019
  2