relative incidence
Học thuậtThân thiện
Definition
Noun: - The relative frequency of occurrence of something: This term refers to a measure that compares the frequency of a particular event, condition, or item to the total number of observations or to the frequency of other events within a defined context. It expresses how common something is in relation to something else.
Usage
"Relative incidence" is a statistical term used to describe and compare rates of occurrence. It is often employed in fields like epidemiology, sociology, and data analysis to understand the proportion or ratio of a specific case within a larger set. - It is typically used as a countable noun (e.g., "calculate the relative incidence"). - It often appears in formal, academic, or technical writing.
Examples
- The study aimed to determine the relative incidence of the disease in urban versus rural populations.
- By analyzing the data, we observed a higher relative incidence of software errors in the initial release version.
- The report compared the relative incidence of various traffic violations across different districts.
Advanced Usage
- "Relative incidence of": This is the most common construction, used to specify the event or item being measured.
- Researchers calculated the relative incidence of positive outcomes for the new treatment protocol.
- The term is closely related to and sometimes used interchangeably with "relative frequency" in certain contexts, though "incidence" often implies the occurrence of new cases or events within a specific time period.
Variants and Related Words
- Incidence (n): The frequency or rate of occurrence of an event, often new cases, in a population over a period.
- The incidence of flu peaks during the winter months.
- Relative frequency (n): The ratio of the number of times an event occurs to the total number of trials or observations.
- The relative frequency of heads in the coin toss experiment was 0.48.
Synonyms
- Proportion: A part, share, or number considered in comparative relation to a whole.
- Ratio: The quantitative relation between two amounts showing the number of times one value contains or is contained within the other.
- Rate: A measure, quantity, or frequency, typically one measured against another quantity or measure.
Related Phrases
- Incidence rate: A measure of the frequency with which new events occur in a population during a specified period.
- The incidence rate of the condition was 15 cases per 100,000 people per year.
Noun
- the relative frequency of occurrence of something