columna API reference - v0.3.0
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    Type Alias DataFramePropTest2Options

    Two-sample 2 Proportions (propTest2): requires by with exactly two levels.

    type DataFramePropTest2Options = {
        alternative?: Alternative;
        by: string;
        confidence?: number;
        method?: "normal" | "fisher";
        pooled?: boolean;
        trials?: string;
    }
    Index
    alternative? by confidence? method? pooled? trials?
    alternative?: Alternative
    by: string

    Exactly two levels → two-sample test on aggregated events / trials per level.

    confidence?: number
    method?: "normal" | "fisher"

    Pooled z (default via normal) or Fisher's exact.

    pooled?: boolean
    trials?: string

    Optional denominator column; without it a binary eventsCol is treated as 0/1 Bernoulli.

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