如何以八度音阶加载实时数据？
以下是我尝试以八度为单位加载以进行分析的数据示例：
hpi_type hpi_flavor frequency level place_name place_id yr period index_nsa index_sa
traditional purchase-only monthly USA or Census Division East North Central Division DV_ENC 1991 1 100 100
traditional purchase-only monthly USA or Census Division East North Central Division DV_ENC 1991 2 101.04 101.12
traditional purchase-only monthly USA or Census Division East North Central Division DV_ENC 1991 3 101.4 101.07
traditional purchase-only monthly USA or Census Division East North Central Division DV_ENC 1991 4 101.8 101.12
traditional purchase-only monthly USA or Census Division East North Central Division DV_ENC 1991 5 102.43 101.5
traditional purchase-only monthly USA or Census Division East North Central Division DV_ENC 1991 6 102.85 101.6
traditional purchase-only monthly USA or Census Division East North Central Division DV_ENC 1991 7 103.07 102.01
traditional purchase-only monthly USA or Census Division East North Central Division DV_ENC 1991 8 103.23 102.22
traditional purchase-only monthly USA or Census Division East North Central Division DV_ENC 1991 9 102.92 102.12
traditional purchase-only monthly USA or Census Division East North Central Division DV_ENC 1991 10 103.17 102.51
traditional purchase-only monthly USA or Census Division East North Central Division DV_ENC 1991 11 104.05 103.44
traditional purchase-only monthly USA or Census Division East North Central Division DV_ENC 1991 12 103.81 103.54