# survAH version 1.2.0 (2025-12-01)

### New features
* The *ahreg()* function has been introduced to enable regression analysis for the average hazard.
* *print.ahreg()* method has been added to provide formatted output from *ahreg()*.


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# survAH version 1.1.2 (2025-06-15)

### Changes
* The *ah1()* and *ah2()* functions check the input data to make sure time does not involve 0 or negative numbers. 
* An example for stratified analysis is added for *ah2()*.
* *print.ah2()* is updated to produce a nicer output.

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# survAH version 1.1.1 (2025-04-30)

### Changes
* The *ah1()* function is now provide the variance for RMST and cumulative incidence probability as well as averaage hazard. 


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# survAH version 1.1.0 (2025-04-04)

### New features
* Added the *eta* argument to *ah2()* to allow calculation of the average hazard within a specified time window [eta, tau].
* Added the *strata* argument to *ah2()* to enable stratified analysis.

### Changes
* The *ah1()* function is now exported and available for estimating the average hazard in a single sample (previously a hidden function). 


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# survAH version 1.0.0 (2023-01-16)
* Initial release.
