statistical correlation
Measured data linkage
Statistical correlation is a measure of how strongly two variables move together.
When one increases as the other increases, the correlation is positive; when one decreases as the other increases, it's negative.
Correlation ranges from -1 to +1, with values near zero indicating no relationship.
A common caution: correlation doesn't imply causation—ice cream sales and drowning deaths both rise in summer, but one doesn't cause the other.
- coefficientNumber multiplying a variable
- regressionReturn to former state
- best fit lineOptimal line through data
- relationshipConnection between entities
- scatterDistribute in random directions
plot · variable · r-squared · covariance · Pearson · linear · scatter plot · association · trend · data · pattern · inverse · positive · negative · spurious · significant · confidence interval · sample size
statistical correlationuncorrelated
Lacking statistical relationship
independent variables · independence · randomness · orthogonality · disconnection
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