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- ...signs]] will face the situation that most of the [[sample plot|plots]] are empty and then there are some few plots with the objects of interest. Here, one o ... [[:category:sampling design|sampling techniques]]. The estimators in this section refer to simple random sampling of initial plots only. For other sampling t13 KB (2,133 words) - 12:36, 28 October 2013
- {{Empty section}} {{Empty section}}6 KB (966 words) - 10:45, 16 January 2014