What about big data?

Jeffrey Leek
Johns Hopkins Bloomberg School of Public Health

How much is there?

So what about big data?

Depends on your perspective

Why big data now?

Why big data now?

Big or small - you need the right data

Big or small - you need the right data

The data may not contain the answer. The combination of some data and an aching desire for an answer does not ensure that a reasonable answer can be extracted from a given body of data...

Tukey

Big or small - you need the right data

...no matter how big the data are.

Leek