A practical approach to protecting networks against epidemic processes such as spreading of infectious diseases, malware, and harmful viral information is to remove some influential nodes beforehand to fragment the network into small components.
While we could remove such influential observations, given we are examining how census division level variables influence work-related lost-time claim rates, and the largest number of workers are in these divisions, we decided to keep them in our analyses, as conditions within these divisions would be expected to be influential on overall work-injury rates.
Removing two influential outliers — the 1964 and 1992 elections — from the analysis does not change the finding.
The propensity score matching yielded two well balanced treatment groups and removed potentially influential participants with no comparable controls.
We observed similar results among the subset of participants who had limited exposure to tobacco, but only after removing six influential observations.
It "will remove a heavily influential voice from the board of directors," Colin McGranahan, an analyst for Sanford C. Bernstein & Company, wrote in a note to clients, which "could lead to a cleaner break with history and could result in more strategic flexibility going forward".
On May 20, an attorney for Sumner Redstone faxed a letter to Dauman, notifying him that he and another Viacom board member, George Abrams, were being removed from their influential roles on the Sumner Murray Redstone trust.
According to Kinninmont and WSJ sources, the CP was sidelined as his allies were removed from their influential positions and his "de facto parallel cabinet" (known as the Economic Development Board) was stripped from its powers.
Finally, we identified and removed 65 potentially influential observations from the data and refit the model.
If necessary, the stability of results after removing outliers or influential individuals was checked.
