import { TransformerBase } from '../base/transformer';
import { Params } from '../base/estimator';
export interface TruncatedSVDProps {
    /** number of singular vectors to keep */
    nComponents?: number;
}
export declare class TruncatedSVD extends TransformerBase {
    private nComponents;
    private components;
    private singularValues;
    private explainedVariance;
    private explainedVarianceRatio;
    constructor(props?: TruncatedSVDProps);
    /** @deprecated positional form; prefer the props-object constructor */
    constructor(nComponents?: number);
    getParams(): Params;
    fit(X: number[][]): void;
    transform(X: number[][]): number[][];
    fitTransform(X: number[][]): number[][];
    inverseTransform(X: number[][]): number[][];
    getComponents(): number[][];
    getSingularValues(): number[];
    getExplainedVariance(): number[];
    getExplainedVarianceRatio(): number[];
}