Additionally, missing data on individuals may have less impact in a cluster randomised trial than in an individually randomised trial.
Search engines amass large quantities of data on individuals.
Experian has data on individuals that it collects through public records, registries and other sources.
Exposing even more publicly held data on individuals could be devastating.
The data on individuals' impact on the business is a key factor in discussions about pay.
For longitudinal data on individuals, within-person observations are nested within individuals.
Gambetta and Hertog painstakingly gather together data on individuals belonging to a variety of terrorist groups in the Muslim world.
"We are talking here about the large-scale collection of private data on individuals".
Scout Advertising, he adds, does not compile data on individuals' whereabouts over time.
However, telephone records are just a sliver of the data on individuals that the government could assemble.
They say, however, that the strengthening of the laws protecting the confidentiality of data on individuals and the environment today would make a repetition of those abuses unlikely.
