import { Vector } from './vector.js';
export declare class Normal {
    #private;
    mean: number;
    variance: number;
    constructor(mean: number, variance: number);
    dens(arg: number): number;
    dens(arg: Vector): Vector;
    /**
     * cumulative distribution function (CDF) for a normal distribution
     */
    distr(arg: number, precision?: number): number;
    distr(arg: Vector, precision?: number): Vector;
    inverse(p: number): number;
}
export declare class StandardNormal extends Normal {
    constructor();
}
export declare class T {
    df: number;
    constructor(df: number);
    private _de;
    private _di;
    dens(arg: number): number;
    dens(arg: Vector): Vector;
    distr(arg: number): number;
    distr(arg: Vector): Vector;
    inverse(x: number): number;
}
export declare class F {
    df1: number;
    df2: number;
    constructor(df1: number, df2: number);
    private _di;
    distr(arg: number): number;
    distr(arg: Vector): Vector;
}
export declare class Kolmogorov {
    private _di;
    distr(arg: number): number;
    distr(arg: Vector): Vector;
    inverse(x: number): number;
}
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