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Selects random sample in a single stratum.
R.sample1(popfile, nrefs)
dataframe containing information on all plots in the stratum.
vector containing the required sample size of the stratum.
A list with components:-
population file - dataframe, as above, with plot type of reference plots set to 'R'
A random sample of virtual plots is selected from the candidate set in the stratum of interest.
NC.sample.
NC.sample
## R.sample1(popfile, nrefs)
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