lrstat 0.1.6
- Add capability for performing noninferiority tests in lrpower,
lrsamplesize, and lrsim.
- Add capability for simulating analyses based on calendar times in
lrsim.
- Adjust the critical value at the final look if the observed total
number of events is less than the planned total number of events in
lrsim.
- Retain summary statistics for all stages even after crossing the
efficacy and futility boundaries in lrsim.
- Add number of dropouts
- Add Schoenfeld method for proportional hazards and conventional
log-rank test in lrpower and lrsamplesize
lrstat 0.1.5
- Replace Inf with 6 and -Inf with -6 for test statistic stopping
boundaries to avoid potential memory issue.
lrstat 0.1.4
New features
- Add capability for lrstat to calculate hazard ratios from weighted
Cox regression model.
- Add capability for lrsamplesize to calculate absolute accrual rate
from relative accrual rate given power, accrual duration, and follow-up
duration.
Bug fixes
- Use specified informationRates to calculate Wang-Tsiatis
boundaries.
- Use hazard ratios from weighted Cox regression model to determine
crossing boundaries on the hazard ratio scale for lrpower.
- Replace stratum-specific output with overall results for
lrstat.
- Remove hazard ratio estimate from weighted log-rank test from lrsim
output.
lrstat 0.1.3
- Add more statistics to lrpower output.
lrstat 0.1.2
New features
- Add capability for lrpower and lrsamplesize to use error spending
functions.
- Add more statistics to lrstat, lrpower and lrsim output.
- Allow user to specify numSubintervals to control approximation.
Bug fixes
- Add parameter checking for lrpower, lrsamplesize, and lrsim.
- Add test files.
- Add print_lrpower.R to print lrpower objects.
- Use informationTime instead of informationRates in lrsim to
differentiate information based on weighted log-rank tests score
statistic variance from information based on number of events.
- Rename sumstat to overview in lrsim output.
lrstat 0.1.1
lrstat 0.1.0