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首页> 美国政府科技报告 >Redrawing the 1994 Farm Costs and Returns Survey List Frame Sample to Reduce its Overlap with the 1993 FCRS and Three other Major 1994 Surveys
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Redrawing the 1994 Farm Costs and Returns Survey List Frame Sample to Reduce its Overlap with the 1993 FCRS and Three other Major 1994 Surveys

机译：重新绘制1994年农场成本和回报调查表框架样本以减少与1993年FCRs和1994年其他三项重大调查的重叠

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This report describes the Five Stage Algorithm used by the National Agricultural Statistics Service (NASS) to redraw the 1994 Farm Costs and Returns Survey (FCRS) list frame sample. This algorithm was devised to reduce the number of farm and ranch operators in the FCRS sample that are also in other major surveys samples. It decreased the number of operators in the 1994 FCRS sample that were also in one or more of the four other major surveys from 4,338 to 1,982 (a decrease of 54 percent). It decreased the number of operators in the 1994 FCRS sample that were also in the previous years FCRS sample from 369 to 14 (a decrease of 96 percent). It increased the number of operators in the 1994 FCRS sample that were not in any of the four other major surveys from 6,114 to 8,470 (an increase of 39 percent). We recommend caution when using this procedure, for example, using it on Ag surveys across years, or using presampling.

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