The bootstrap is distinguished from 1  : the jackknife procedure, used to estimate biases of sample statistics and to estimate variances, and. 2  cross-validation, in which the parameters (e.g., regression weights, factor loadings) that are estimated in one subsample are applied to another subsample.
If the Delete browsing history on exit box checked in your Internet options, then it is not possible to recover the history back on Internet Explorer. Always make sure that the Delete browsing history on exit box in your Internet Options is not checked.1  Press Windows key + R.hen using internet explorer I used to be able to see my search history by clicking on the star in the upper right corner. When using internet explorer I used to be able to see my search history by clicking on the star in the upper right corner.
If you have your Comcast email set up on your personal computer, it is possible to copy deleted emails back to the Comcast mail server. Most mail clients have an option that allows you to leave a copy of your original messages on the mail server.If this option is enabled, your messages are automatically backed up.hen you accidentally delete important emails from your XFinity Comcast mail account, there is hope for email recovery. Whether or not deleted emails can be copied back to the Comcast Server all depends on where the emails are deleted from and your mail preference settings.