No, everything was in his head, and that would have to be the data source.
Let the media believe that she'd used her own data sources!
There is no central source of data which will allow me to get all the information I need.
For example, you may have limited or no access to information about the data source.
The Internet has put almost every data source within easy reach.
Many of the small reports are produced from such a data source.
They may be the only source of data on the topic in question.
For example, one data source puts the recent low at 7.11 percent as of July 15, 1986.
Now, suddenly, a million new data sources could feed the model.
"I insist on an analysis before you open all data sources to him!"