import type { PercentileInput, PercentileResult } from './types.js';
/**
 * Calculate a percentile of a data series (linear interpolation between ranks)
 *
 * @param input - Data series and percentile (0-100)
 * @returns Percentile result
 * @throws RangeError if data is empty or percentile is outside [0, 100]
 */
export declare function percentile(input: PercentileInput): PercentileResult;
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