Determining the exact cause is usually not needed as it does not alter management of the condition.

Determining the date of a heliacal rise of Sothis has been shown to be difficult, especially considering the need to know the exact latitude of the observation.

Determining the exact " level " of injury is critical in making accurate predictions about the specific parts of the body that may be affected by paralysis and loss of function.

Determining the root cause of the indicator displacement ( lateral runout ) requires disassembly of the disc from the hub.

Determining the cause of such accidents is difficult for investigators and it is often impossible to tell if negligence caused the crash.

Determining which cause is most likely is often a process of elimination-eliminating potential causes of a problem.

Determining the nature of the planet has not been straightforward ; a 2002 paper hypothesizes that the lumps are caused by a roughly Jupiter-mass planet on an eccentric orbit.

Determining what average input means is difficult, and often that average input has properties which make it difficult to characterise mathematically ( consider, for instance, algorithms that are designed to operate on strings of text ).

Determining the structure of LDL has been a tough task because of its heterogeneous structure.

Determining exactly the various influences is, after more than two thousand years of internal and external influences and developments, impossible but the result has been a large number of unique musical traditions.

Determining whether an employee has custody or possession can be difficult.

Determining ownership in law involves determining who has certain rights and duties over the property.

* Determining that the Seifert-Weber 3-manifold contains no incompressible surface has been algorithmically implemented by Rubinstein, Tillmann and Burton and based on normal surface theory.

Determining that a risk has been reduced to ALARP involves an assessment of the risk to be avoided, of the sacrifice ( in money, time and trouble ) involved in taking measures to avoid that risk, and a comparison of the two.

Determining the presence of both parts of this definition is not always straightforward, as hypoglycemic symptoms and effects are vague and can be produced by other conditions ; people with recurrently low glucose levels can lose their threshold symptoms so that severe neuroglycopenic impairment can occur without much warning, and many measurement methods ( especially glucose meters ) are imprecise at low levels.

* Leading / directing: Determining what needs to be done in a situation and getting people to do it.

Determining the distances to astronomical objects is crucial to understanding them, but the vast majority of objects are too far away for their distances to be directly determined.

Determining part of a protein's amino-acid sequence ( often one end ) by one of the above methods may be sufficient to enable the identification of a clone carrying the gene.

Determining such forces was required before building codes could specify the required strength of such buildings and such tests continue to be used for large or unusual buildings.

Now we consider the set of all normal sets, R. Determining whether R is normal or abnormal is impossible: If R were a normal set, it would be contained in the set of normal sets ( itself ), and therefore be abnormal ; and if R were abnormal, it would not be contained in the set of all normal sets ( itself ), and therefore be normal.

Determining latitude was relatively easy in that it could be found from the altitude of the sun at noon with the aid of a table giving the sun's declination for the day.

Determining an appropriate and safe exercise program is challenging and must be carefully individualized to each person being sure to account for all contraindications and precautions.

Determining which instructions would actually be encountered during a run of the program reduces to the proven-unsolvable halting problem.

Determining which proteins are poly-ubiquitinated can be helpful in understanding how protein pathways are regulated.

Determining whether a given food should be classified as bread, cake, or pastry can be difficult.

Determining which clue is to be applied to which grid is part of the puzzle.

Determining whether a captive should be classified as a prisoner of war is the sole purpose of a competent tribunal.

Determining the penetrance of the C282Y allele can be influenced by when, in the course of a lifetime, homozygotes are evaluated by the medical community.

Determining the strength of different manufactures of pepper sprays can be confusing.

Determining the appropriate discount rate is the key to properly valuing future cash flows, whether they be earnings or obligations.

Determining if and to what extent a person can transfer their learned knowledge can be a strong indication of the quality of the learning experience itself.

Determining whether a player is in " active play " can be complex.

Determining whether news is " good " or " bad " must be determined by the price action of the stock, because the market reaction may not match the tone of the news itself.

; Interpretation: Determining if an indication is of a type to be investigated.

Determining a " country of origin " is thus much more difficult than determining other aspects of a gem ( such as cut, clarity etc.

Determining how many people died in these massacres overall is difficult.

Determining a precise value for a particular knot is difficult because many factors can affect a knot efficiency test: the type of fiber, the style of rope, the size of rope, whether it is wet or dry, how the knot is dressed before loading, how rapidly it is loaded, whether the knot is repeatedly loaded, and so on.

Determining the number of films he made during the early part of his career is difficult because the ad copy rarely named him.

Determining the location of the county is difficult, given the conflicting references in the books.

Determining the grazing angle with respect to a planar surface is trivial, but the computation for almost any other surface is significantly more difficult.

Determining whether a particular person had lawful possession or mere custody is sometimes extremely difficult.

Determining when a given medal was struck is sometimes difficult.

Determining the age and sex of birds in brown plumage can be very difficult.

Determining whether blood is in gastric contents, either vomited or aspirated specimens, is surprisingly difficult.

Determining the number of men who have ever had sex with another man is difficult.

Determining which contact to communicate with through direct marketing may be difficult.

Determining mass is even more difficult, because little evidence of soft tissues survives in the fossil record.

Determining the appropriate treatment for noncyclical breast pain is more difficult, not only because it is hard to pinpoint where the pain is coming from, but also because the pain may not have hormonal causes and very often does not respond to hormonal treatment.