import { TransformerBase } from '../base';
import { Params } from '../base/estimator';
export interface IncrementalPCAProps {
    nComponents?: number | null;
    batchSize?: number;
}
export declare class IncrementalPCA extends TransformerBase {
    private nComponents;
    private batchSize?;
    private nSamplesSeenState;
    private meanState;
    private varianceState;
    private componentsState;
    private explainedVarianceState;
    private singularValuesState;
    constructor(props?: IncrementalPCAProps);
    getParams(): Params;
    private reset;
    partialFit(X: number[][]): this;
    fit(X: number[][]): void;
    transform(X: number[][]): number[][];
    inverseTransform(X: number[][]): number[][];
    get components(): number[][];
    get mean(): number[];
    get explainedVariance(): number[];
    get singularValues(): number[];
    get nSamplesSeen(): number;
}