Method sortValues

src/danfojs-base/core/frame.ts:2350–2387

(
        column: string,
        options?:
            {
                ascending?: boolean
                inplace?: boolean
            }
    )

            }
    ): DataFrame
    sortValues(
        column: string,
        options?:
            {
                ascending?: boolean
                inplace?: boolean
            }
    ): DataFrame | void {
        const { ascending, inplace } = { ascending: true, inplace: false, ...options }

        if (!column) {
            throw Error(`ParamError: must specify a column to sort by`);
        }

        if (this.columns.indexOf(column) === -1) {
            throw Error(`ParamError: specified column "${column}" not found in columns`);
        }

        const columnValues = this.$getColumnData(column, false) as ArrayType1D
        const index = [...this.index]

        const objToSort = columnValues.map((value, i) => {
            return { index: index[i], value }
        })

        const sortedObjectArr = utils.sortObj(objToSort, ascending)
        const sortedIndex = sortedObjectArr.map(obj => obj.index)

        const newDf = _loc({ ndFrame: this, rows: sortedIndex }) as DataFrame

        if (inplace) {
            this.$setValues(newDf.values)
            this.$setIndex(newDf.index)
        } else {
            return newDf
        }

    }

    /**
       * Sets the index of the DataFrame to the specified value.