View source: R/compute_sample_size_vectorised.R
compute_sample_size_vectorised | R Documentation |
Compute sample size for a one stage freedom from disease survey for given
Population size, design prevalence and accuracy, assuming a perfect
diagnostic test. Vectorised version of compute_sample_size
.
compute_sample_size_vectorised(N, prev, accuracy)
N |
Integer vector containing the population sizes |
prev |
Numeric between 0 and 1; design prevalence |
accuracy |
Numeric between 0 and 1; accuracy of the survey (i.e. detection probability) |
Uses vapply to vectorise compute_sample_size
over the
population size N
. prev
and accuracy
must be scalars.
For the sake of efficiency, the sample size is only computed once for every
different value of N
, even if they apper multiple times in the vector.
Sample size (integer vector).
Ian Kopacka
compute_sample_size
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