The phrase "unknown error" is correct and usable in written English.
You can use it when you are referring to an error that is not yet identified or understood. For example: "We experienced an unknown error while running the program."
"Unknown Error: error-description" -- For any other error.
When Sands did, Skype said "User Not Online," and then "Unknown Error," and then, repeatedly, "Misc.
The vector b is usually contaminated by an unknown error e generating from measurement error, which often called the vector e as ''noise''.
We give conditions under which root-n inference is impossible, and we provide versions of our CIs that are feasible and asymptotically valid with unknown error distribution, including in this non-regular case.
Our finite-sample results apply to normal models with known variance for the reduced-form errors, and imply analogous results under weak instrument asymptotics with an unknown error distribution.
In other words, there is no information at all provided by the uniform prior density distribution employed which reflects complete lack of prior knowledge about the unknown error rate.
These forces can be obtained by using inverse techniques but the measured data used will contain some unknown errors.
The reduction in accuracy is often unquantified, which can introduce unknown errors into the IRI and other ionosphere models.
Now that the weakness is known, it's relatively easy for the company to institute more careful checks on the way Alice prepares her states so that unknown errors are less likely.
Although these dates are associated with large and unknown errors, this temporal concurrence suggests that complete and successive replacements of distinct hominin forms, similar to what occurred in Western Europe11, may not have taken place in southern Siberia.
In addition, the preliminary values of this method can help to identify the unknown errors occurring during finite element modeling of the structural model.
