Documentation IndexFetch the complete documentation index at: /llms.txtUse this file to discover all available pages before exploring further.
Fetch the complete documentation index at: /llms.txt
Use this file to discover all available pages before exploring further.
返回回归直线的决定系数。
x
nan
y
1
regr_r2(y, x)
regrR2
(U)Int*
Float*
Float64
SELECT regr_r2(y, x) FROM VALUES('x Float64, y Float64', (1, 2), (2, 4), (3, 6), (4, 8))
┌─regr_r2(y, x)─┐ │ 1 │ └───────────────┘
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