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arquero

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Query processing and transformation of array-backed data tables.

github.com/uwdata/arquero

uwdata/arquero

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/** * Annotate an expression to indicate it is a string field reference. * @param {string|object} expr The column name, or an existing wrapped * expression for a column name. * @param {string} [name] The column name to use. If provided, will * overwrite the input expression value. * @param {number} [table=0] The table index of the field, in case of * expressions over multiple tables. * @return A wrapped expression for a named column. * @example field('colA') */ export function field(expr: string | object, name?: string, table?: number): any;