regr_count - ClickHouse Documentation

regr_count

Introduced in: v26.9.0 Counts the rows where neither y nor x is NULL. Syntax

regr_count(y, x)

Aliases: regrCount Arguments

y — Dependent variable. (U)Int* or Float*
x — Independent variable. (U)Int* or Float*

Returned value Returns the number of non-null pairs. UInt64 Examples Basic usage

Query

SELECT regr_count(y, x)
FROM VALUES('x Float64, y Float64', (1, 2), (2, 4), (3, 6), (4, 8))

Response

┌─regr_count(y, x)─┐
│                4 │
└──────────────────┘

Last modified on October 7, 2026