uncorrelated
Học thuậtThân thiện
Definition
- Adjective:
- Not varying together; not having a mutual relationship or connection: Describes two or more variables, events, or sets of data that show no statistical relationship or pattern of association. A change in one does not predict or correspond to a change in the other.
Usage
- The term is primarily used in statistical, scientific, and technical contexts to describe the absence of correlation.
- It describes a relationship (or lack thereof) between items. It is typically followed by "with" or used with "and" to link the items being compared.
- Example structure: "A is uncorrelated with B." or "A and B are uncorrelated."
Examples
- Adjective:
- The study found that income level was uncorrelated with happiness in that specific population.
- In a fair market, the daily price movements of two unrelated companies should be uncorrelated.
- The two signals were completely uncorrelated, indicating they came from different sources.
Advanced Usage
- "statistically uncorrelated": A more formal specification emphasizing the mathematical assessment of the relationship.
- The variables were determined to be statistically uncorrelated, with a correlation coefficient near zero.
- Used to describe investment assets for portfolio diversification.
- A good portfolio contains assets that are uncorrelated to reduce overall risk.
Variants and Related Words
- Uncorrelation (n, rare): The state or condition of being uncorrelated.
- Correlated (adj): The direct antonym, meaning having a mutual relationship or connection.
- Independent (adj, statistics): In probability theory, a stronger condition implying that one event does not affect the probability of another. Uncorrelated variables are not necessarily independent, but independent variables are always uncorrelated.
Synonyms
- Unrelated: Not connected or associated.
- Independent (in common, non-technical usage): Not influenced or controlled by others.
- Disassociated: Detached or unconnected.
Antonyms
- Correlated: Having a mutual relationship or connection.
- Associated: Connected or linked.
- Interdependent: Mutually dependent.
Related Phrases/Idioms
- "Move independently": A descriptive phrase similar in meaning in financial or data contexts.
- The two stocks move independently, their prices are uncorrelated.
Adjective
- not varying together