It may determine whether one should choose nonprobability sampling or probabilitysampling.
它可以决定一个人应该选择非概率抽样还是概率抽样。
2
The result showed that the root-mean-square of Phase function fitted by random probabilitysampling method is smaller.
结果显示随机概率抽样方法拟合的相函数与散射相函数间的方均根差更小。
3
Methods According to the distribution of recreation places of Shunqing district, 368 CSW were investigated one-to-one by anonymous questionnaire through equal probabilitysampling.