For Alban, she continued to run up against insufficient data.

By calculating the mean activity coefficients from them the theory could be tested against experimental data.

And we check what the climate models give us against data from the real world.

Not in themselves, but when checked against other data their contents are telling.

Such computer predictions, continuously checked against real-world data, are slowly getting better.

To do so involves measuring current performance against past data and trends for the future.

They also compared the census count against data taken from birth, death and legal-immigration statistics.

He's pretty good about constantly rechecking his theories against new data.

Certain choices can protect against data being lost because one (or a number) of disks failed.

His mission is to test that idea against data in 24 hours.