Method round

src/danfojs-base/core/frame.ts:1573–1597

(dp: number = 1, options?: { inplace: boolean })

    */
    round(dp: number, options?: { inplace: boolean }): DataFrame
    round(dp: number = 1, options?: { inplace: boolean }): DataFrame | void {
        const { inplace } = { inplace: false, ...options }

        if (this.$frameIsNotCompactibleForArithmeticOperation()) {
            throw Error("TypeError: round operation is not supported for string dtypes");
        }

        if (typeof dp !== "number") {
            throw Error("ParamError: dp must be a number");
        }

        const newData = utils.round(this.values as number[], dp, false);

        if (inplace) {
            this.$setValues(newData)
        } else {
            return new DataFrame(
                newData,
                {
                    index: [...this.index],
                    columns: [...this.columns],
                    config: { ...this.config }
                })
        }
    }

    /**
     * Returns cumulative product accross specified axis.