In both of these examples, and there are others, only certain phenomena could qualify as data.

Certainly until the end of the century, although we may expect certain phenomena before then.

We have developed new ways of seeing and representing certain natural phenomena.

It would be very valuable in connection with certain phenomena I should like to observe.

Animal fables are often used to explain certain natural phenomena.

It says that you can never predict certain phenomena at all.

F. There are certain modern negative phenomena which threaten the family.

Our understanding of certain phenomena, it would seem, does have to allow for the possibility of God at work.

They explain certain phenomena well, but they have limited reach.

I prefer to feel free to criticize certain phenomena without being directly involved with their production.