| 单词 | panel data |
| 释义 | panel data Data collected over a period by repeated surveys of individuals or firms. Surveys may proceed by taking a fresh random sample of the population in successive periods, or by selecting a randomly chosen panel of respondents and following them over a prolonged period. Use of panel data means that more accurate and consistent data can be collected, but prolonged surveys impose a considerable burden on the informants, which may bias the membership of panels. |
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