The sampling locations provided here were selected as a two-stage Generalized Random Tessellation Stratified (GRTS) sample (Stevens & Olsen 2004). The first stage...

data.gov50

Supplement 1. R code for a randomization test.

随机化检验

空间抽样设计

File List random.area.R (md5: 9dde0280e365e0bb72097358f7c47896) Description random.area.R contains R code for a randomization test that continuously selects sample units randomly until the total area

WILEY2016-08-09 更新20

Appendix C. Proof of unbiasedness of the Strip Adaptive Cluster Sampling (SACS) Estimator.

抽样调查方法

自适应集群抽样

Proof of unbiasedness of the Strip Adaptive Cluster Sampling (SACS) Estimator.

NIAID Data Ecosystem10