Type Alias DataFrameTTestOptions

DataFrameTTestOptions: TTestOptions & {
    by?: string;
    equalVar?: boolean;
    paired?: string;
}

Column-based t-test: one-sample by default, two-sample with by (a 2-level column), paired with paired.

Type Declaration

Optionalby?: string

Grouping column with exactly two levels → two-sample test, difference = first level − second (sorted).
OptionalequalVar?: boolean

Two-sample only: pool variances instead of Welch.
Optionalpaired?: string

Second column of the same length → paired test on column − paired.