Module regr 

Defines physical expressions that can evaluated at runtime during query execution

Macros

make_regr_udaf_expr_and_func 🔒

Structs

Regr

RegrAccumulator

RegrAccumulator is used to compute linear regression aggregate functions by maintaining statistics needed to compute them in an online fashion.

Enums

RegrType

Statics

DOCUMENTATION 🔒

Functions

get_regr_docs 🔒

regr_avgx

Compute a linear regression of type RegrType::AvgX

regr_avgx_udaf

AggregateFunction that returns a AggregateUDF for regr_avgx

regr_avgy

Compute a linear regression of type RegrType::AvgY

regr_avgy_udaf

AggregateFunction that returns a AggregateUDF for regr_avgy

regr_count

Compute a linear regression of type RegrType::Count

regr_count_udaf

AggregateFunction that returns a AggregateUDF for regr_count

regr_intercept

Compute a linear regression of type RegrType::Intercept

regr_intercept_udaf

AggregateFunction that returns a AggregateUDF for regr_intercept

regr_r2

Compute a linear regression of type RegrType::R2

regr_r2_udaf

AggregateFunction that returns a AggregateUDF for regr_r2

regr_slope

Compute a linear regression of type RegrType::Slope

regr_slope_udaf

AggregateFunction that returns a AggregateUDF for regr_slope

regr_sxx

Compute a linear regression of type RegrType::SXX

regr_sxx_udaf

AggregateFunction that returns a AggregateUDF for regr_sxx

regr_sxy

Compute a linear regression of type RegrType::SXY

regr_sxy_udaf

AggregateFunction that returns a AggregateUDF for regr_sxy

regr_syy

Compute a linear regression of type RegrType::SYY

regr_syy_udaf

AggregateFunction that returns a AggregateUDF for regr_syy