t is a list which consists of the following elements:</p><ul><li><p><code>time</code> : Numeric vector of corrected operating times for the censored
observations and input operating times for failed units.</p></li>
<li><p><code>x_sim</code> : Simulated random numbers of specified distribution with estimated
parameters. The length of <code>x_sim</code> is equal to the number of censored observations.</p></li>
<li><p><code>coefficients</code> : Estimated coefficients of supposed distribution.</p></li>
</