zapsmall

From base v3.3.0 by R-core R-core@R-project.org

Rounding of Numbers

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., treated as 0.

Keywords: arith

Usage

zapsmall(x, digits = getOption("digits"))

Arguments

x: a numeric or complex vector.
digits: integer indicating the precision to be used.

References

Chambers, J. M. (1998) Programming with Data. A Guide to the S Language. Springer.

Examples

library(base)

x2 <- pi * 100^(-1:3)
print(x2 / 1000, digits = 4)
zapsmall(x2 / 1000, digits = 4)

zapsmall(exp(1i*0:4*pi/2))

Documentation reproduced from package base, version 3.3.0, License: Part of R 3.3.0

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