[R] var.gamma in the prop.odds funtion (timereg package)

[lspirk]

Hi R users!

I am trying to calculate the variance of the parameter
under the null (Ho) using the "prop.odds" function in the timereg package.
I know var.gamma will give the variance of the parameter, but how do I find
this under Ho?

For the Cox PH model, I used iter = 0 and the "vcov" function:

        cox <- coxph(Surv(time, censor) ~ x, iter = 0, init = 0, data = dat)
        sig2 <- vcov(cox)

Is there something similar to use for a prop.odds model?

Thanks for the help!



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