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index.d.ts
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index.d.ts
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/*
* @license Apache-2.0
*
* Copyright (c) 2020 The Stdlib Authors.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
// TypeScript Version: 2.0
/**
* Evaluates the quantile function of the Wilcoxon signed rank test statistic.
*
* ## Notes
*
* - If `p < 0` or `p > 1`, the function returns `NaN`.
*
* @param p - input value
* @returns evaluated quantile function
*/
type Unary = ( p: number ) => number;
/**
* Interface for the quantile function of the Wilcoxon signed rank test statistic.
*/
interface Quantile {
/**
* Evaluates the quantile function for the Wilcoxon signed rank test statistic with `n` observations at probability `p`.
*
* ## Notes
*
* - If `p < 0` or `p > 1`, the function returns `NaN`.
* - If not provided a positive integer for `n`, the function returns `NaN`.
*
* @param p - input value
* @param n - number of observations
* @returns evaluated quantile function
*
* @example
* var y = quantile( 0.8, 5 );
* // returns 11
*
* @example
* var y = quantile( 0.5, 4 );
* // returns 5
*
* @example
* var y = quantile( 1.1, 5 );
* // returns NaN
*
* @example
* var y = quantile( -0.2, 5 );
* // returns NaN
*
* @example
* var y = quantile( NaN, 5 );
* // returns NaN
*
* @example
* var y = quantile( 0.0, NaN );
* // returns NaN
*/
( p: number, n: number ): number;
/**
* Returns a function for evaluating the quantile function of the Wilcoxon signed rank test statistic with `n` observations.
*
* @param n - number of observations
* @returns quantile function
*
* @example
* var myQuantile = quantile.factory( 10 );
* var y = myQuantile( 0.5 );
* // returns 27
*
* y = myQuantile( 0.8 );
* // returns 36
*/
factory( n: number ): Unary;
}
/**
* Wilcoxon signed rank test statistic quantile function.
*
* @param p - input value
* @param n - number of observations
* @returns evaluated quantile function
*
* @example
* var y = quantile( 0.5, 4 );
* // returns 5
*
* var myQuantile = quantile.factory( 10 );
*
* y = myQuantile( 0.5 );
* // returns 27
*
* y = myQuantile( 0.8 );
* // returns 36
*/
declare var quantile: Quantile;
// EXPORTS //
export = quantile;