zapsmall
Rounding of Numbers: Zapping Small Ones to Zero
zapsmall
determines a digits
argument dr
for
calling round(x, digits = dr)
such that values close to
zero (compared with the maximal absolute value) are ‘zapped’,
i.e., replaced by 0
.
- Keywords
- arith
Usage
zapsmall(x, digits = getOption("digits"))
Arguments
References
Chambers, J. M. (1998) Programming with Data. A Guide to the S Language. Springer.
Examples
library(base)
# NOT RUN {
x2 <- pi * 100^(-1:3)
print(x2 / 1000, digits = 4)
zapsmall(x2 / 1000, digits = 4)
zapsmall(exp(1i*0:4*pi/2))
# }
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