sqrtnp | R Documentation |
Computes sqrt(n*p*(1-p))
for all combinations of n
and p
.
If the result has only digits
after the decimal point, then n
, p
,
and sqrt(n*p*(1-p))
are returned in a data frame.
sqrtnp(n, p, digits = 2, tol = 10^(-digits - 4))
n |
numeric: vector of observations numbers |
p |
numeric: vector of probabilities |
digits |
numeric: number of digits to check (default: |
tol |
numeric: tolerance (default: |
If abs(v-round(v, digits))<tol
then a number v
is considered as a number
with only digits
after the decimal point.
A data frame with the columns n
, p
, np
(=np
) and snp
(=sqrt(np(1-p))
).
n <- 30:250
p <- (10:40)/100
sqrtnp(n, p)
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