单词 | time-series data |
释义 | time-series data Data for the same variable at different times. The intervals may be of any length, varying from decades or whole trade cycles for economic historians to years or quarters for national income data, monthly for prices, and weekly, daily or even minute-by-minute for stock exchange prices. Data may refer to particular dates, or to the averages over periods such as a year, quarter, or month. Time-series data are contrasted with cross-section data, which refer to different countries, firms, or individuals at the same time. |
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