That last, ill-defined category gave the government flexibility as times and needs warranted, but it also has led to uncertainty and politicization.
The Theory of Fuzzy Sets [24], [25] was initially introduced to model ill-defined (fuzzy) categories like "tall men" or "numbers much greater than one".
"They created a new, ill-defined legal category," explained Raffety.
In domestic policy, interest groups (and particularly those in that ill-defined but malign category known as special-interest groups) are always the bad guys.
Separating Salomon's work from the ill-defined, unutterably sad category of "Holocaust Art" has proved an impossible task, and this teutonic Scheherazade has meandered through the decades, curiously under the radar to all but the cognoscenti.
In addition, we evaluated all other deaths (any death not classified as respiratory, cardiovascular, SIDS, or ill-defined) as a control category.
Of the 155 ICD-9 coded ED discharge diagnoses, the most prevalent categories were ill-defined symptoms/signs (25.2% of all ED discharge diagnoses), injury specifically within the category of injury/poisonings (18.7% injury/1.3% poisonings), and musculoskeletal disorders (11.6%).
For reported deaths, limitations of cause data include incomplete medical certification of the cause(s) of death, relatively high proportions of deaths in the ill-defined natural and undetermined unnatural categories, and misclassification of causes of death (104, 110, 117, 119, 125, 126).
Within the category of ill-defined symptoms/signs, diagnoses of abdominal pain not otherwise specified (NOS) (seven diagnoses), diarrhea (five diagnoses), vomiting, chest pain NOS, and convulsion (possible seizure) (four diagnoses each) were most prevalent.
Some dwarf that category, notably ill-defined and unknown causes and unintentional poisonings [ 2, 37, 38].
