sample.strat | R Documentation |
Each rectangle stands for a stratum, and the simple random sampling without replacement is performed within each stratum. The points being sampled are marked out (by red circles by default).
sample.strat(
pop = ceiling(10 * runif(10, 0.5, 1)),
size = ceiling(pop * runif(length(pop), 0, 0.5)),
p.col = c("blue", "red"),
p.cex = c(1, 3),
...
)
pop |
a vector for the size of each stratum in the population. |
size |
a corresponding vector for the sample size in each stratum (recycled if necessary). |
p.col, p.cex |
different colors /magnification rate to annotate the population and the sample |
... |
other arguments passed to |
None (invisible 'NULL
').
Yihui Xie
Examples at https://yihui.org/animation/example/sample-strat/
sample
, sample.simple
,
sample.cluster
, sample.ratio
,
sample.system
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