The presence of noise in the signals, data dependency, redundancy, limited sensitivity of the transducer, loss of information due to the analog-to-digital conversion, interferences, or expert's intra- and intervariability are some examples.

There's no chance to sleep on the matter, you have to decide now.

Tis hard to say, how much these Arse-wormes do urge us, We now need no Quack but these Jacks for to purge us, …

to make or leave the accounts square