The phrase "factor of uncertainty" is correct and usable in written English.
You can use it to refer to any element, such as a variable or a situation, that adds a degree of unpredictability or risk to a scenario. For example, "The current economic crisis is a major factor of uncertainty for businesses and investors."
"The fact that we don't know the reaction of the authorities is a factor of uncertainty," said Mr. Veron of Bruegel.
It may be, as urged by petitioner, that this construction renders impossible the making of contracts for the future delivery of such merchandise as the petitioner deals in, and that the instability of the rate introduces a factor of uncertainty, destructive of contract rights heretofore enjoyed in such property.
On the other hand, if the physical properties of the soil are not surveyed properly, they represent a strong factor of uncertainty when modelling the operation of these plants.
Another factor of uncertainty is a varying DNA extraction efficiency.
In patient dosimetry, this fact introduces another factor of uncertainty in the dose calculation of the kidneys, besides the above-mentioned inherent problems when only 2-D data are used.
When it comes down to it, almost every decision contains at least a small factor of uncertainty -- it's an inevitable part of doing business.
Add to that the remaining factors of uncertainty: the divergence in results produced by phone and internet polling during the course of the campaign – and the distribution of the votes of smaller parties, ie where Ukip and Green votes fall.
Occupant behaviour lifestyle is one of the most significant driving factors of uncertainty in the prediction of building energy use and thus represents a fundamental aspect that is necessary to modelling.
For Eastern Uzbekistan, it was designed the seismic hazard map with the highest value which takes into account every possible factors of uncertainty in parameters of seismic mode and seismic load.
Combined the advantages of traditional PID control algorithm and fuzzy control algorithm, according to the characteristics of linear motor and the possible factors of uncertainty, a set of adaptive fuzzy PID control system is designed for the speed loop of the proposed control system, moreover, fuzzy inference rules is established to realize the Fuzzy PID controlling of the speed loop.
