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CORR

Calculates the Pearson correlation coefficient of the values expression1 and expression2. The function name must be enclosed in double quotes (“CORR”).

Syntax

CORR(expression1 numeric, expression2 numeric) → double

  • expression1: An expression that evaluates to a numeric type. This parameter is the dependent value.

  • expression2: An expression that evaluates to a numeric type. This parameter is the independent value.

Examples

CORR example
SELECT "CORR"(100, 4)
-- NaN
CORR example
SELECT transaction_count,
  "CORR"(gas_used, base_fee_per_gas)
FROM eth.recent_blocks
GROUP BY transaction_count
LIMIT 5

-- 8, 0.38978465691058356
-- 4, 0.4254971384215677
-- 208, NaN
-- 255, -1.0
-- 3, 0.46551948595802983

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