How to estimate shape and location of interval censored data assuming weibull distribution

[agRELGUY]

Hi,

This is my first time using lifelines and it was not clear to me that how can I use lifelines built in weibull estimator to determine shape and location of interval censored data. It's same as life by X analysis we do in packages like JMP Example dataset:

Unit pass height fail height treatment

1.     10.                 15.                 A
   

2.     20.                 .                    A
   

3.     5.                   10.                B
   

4.     16                  .                    B
   

Assuming that A/B have weibull distributions, what is the shape/location for each treatment A and B assuming weibull distribution and wald estimation? if Wald not available them MLE works too.

Thanks in advance