import * as T from '../type';
export default class Linear {
    x: T.Matrix;
    y: T.Matrix;
    g: T.Matrix;
    z: T.Matrix;
    a: T.Matrix;
    constructor(x: T.Matrix, y: T.Matrix | T.Vector);
    estimateY(x?: T.Matrix): T.Matrix;
}
export declare const regression: (x: T.Matrix, py: T.Vector) => T.Matrix;