### discrete

- N simultaneous continuous-
**time**__discrete__stochastic processes). (physiology.org) - Several statistical pitfalls in the model were discussed: the question of whether the
__relative____risk__is constant or evolves with**time**, the allocation of person years to**time**periods, the allocation of person years to prevalent cohorts, noncontinuous follow up, continuous and__discrete__**time**, and latency and the average**time**to disease. (cdc.gov)

### arbitrary

- Specifically, we develop a combinatorial method for quantifying the degree of matching between a "reference sequence" of N distinct "letters" (representing a particular target order of firing by N cells) and an arbitrarily long "word" composed of any subset of those letters including repeats (representing the
__relative__**time**order of spikes in an__arbitrary__firing pattern). (physiology.org)

### risk

- The importance of taking
**time****factors**into consideration in quantitative__risk__assessments was discussed. (cdc.gov) - The author concludes that the
__risk__is not a function of a single**time**scale but a complex function of__multiple__**time**scales which routinely should be addressed in all epidemiological studies. (cdc.gov)

### multiple

- In addition, the separate effects of
__multiple__**time**scales were considered and treated mathematically. (cdc.gov)

### appear

- A carcinogen is assumed to change the rate of transition from one stage to the next so that a single exposure will shorten the
**time**it takes for a neoplasm to__appear__. (cdc.gov)