0 moving or behaving in a way that is not regular, certain, or expected: --
1 changing suddenly and unexpectedly: --
an erratic schedule
2 something that is erratic is not regular, certain, or organized in its movement or behaviour: --
Votes on different issues are not uncorrelated; some coherence is ensured by ideology, which eliminates a large number of completely erratic combinations.
These erratic eye movements cause retinal slips providing motion signals that are directionally unbiased on the time scale of the control loop (;100 ms).
The differences between middle and basal derived setts were erratic.
Erratic choice non-deterministically chooses one if its arguments before evaluating the arguments.
More importantly the weather becomes more erratic, increasing the risk of summer droughts and harvest failures.
The difficulties in sustaining these initiatives due to staff turnover, and erratic fiscal and medical support are highlighted.
Variability over time in the same individual looks erratic in some cases or inversely, looks as regular increase or decrease for weeks.
The output-money models are only slightly better than the univariate models, and their event-probability forecasts from the late eighties onward are erratic.
