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Correlation Coefficient

Correlation Coefficient Calculator

Measure the strength and direction of relationships

Enter values separated by commas

Enter values separated by commas

Correlation Types

Pearson (r)

Measures linear relationships. Best for normally distributed continuous variables.

  • • Range: -1 to +1
  • • Assumes linearity
  • • Sensitive to outliers

Spearman (ρ)

Measures monotonic relationships using ranks. Good for ordinal data or non-normal distributions.

  • • Range: -1 to +1
  • • Non-parametric
  • • Less sensitive to outliers

Kendall (τ)

Measures ordinal association based on concordant/discordant pairs. More robust for small samples.

  • • Range: -1 to +1
  • • Good for small samples
  • • More conservative