quantitivecalc/dist/DictOfListsUtils/findExtremesInColumnPerKey.d.ts

A TypeScript library providing advanced quantitative finance functions for risk analysis, performance metrics, and technical indicators. (Currently in development)

/**
 * Finds the minimum and maximum values in a specified column for each key in a dictionary of lists.
 *
 * @template T - The type of objects contained in the lists.
 * @template K - The key of the column to find extremes for, must be a key of T.
 * @param dict - A dictionary where each key maps to an array of objects of type T.
 * @param columnName - The name of the column (property of T) to find the min and max values for.
 * @returns A dictionary mapping each key to an object containing the minimum and maximum values found in the specified column.
 */
export default function findExtremesInColumnPerKey<T, K extends keyof T>(dict: Record<string, T[]>, columnName: K): Record<string, {
    min: T | undefined;
    max: T | undefined;
}>;
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