论文部分内容阅读
为适应农产品产量调查统计的需要,研制了这套预产方法和相应的电子计算机程序——NCD软件包。它们包括六种抽样方法:按单产排队等距循环抽样,按总产排队等距循环抽样,按面积累加数等距抽样,按单产分层随机抽样,按单产分层等距循环抽样和按自然条件分层随机抽样。
In order to meet the needs of agricultural production survey statistics, this set of pre-production methods and the corresponding computer program developed - NCD software package. They include six sampling methods: line-by-line isochronous sampling, according to the total production line isochronous sampling, according to the area of the cumulative number of isometric sampling, stratified by the yield of a random sample, Condition stratified random sampling.