R: Miscellaneous Mathematical Functions

This help topic is for R version 1.6.1. For the current version of R, try https://stat.ethz.ch/R-manual/R-patched/library/base/html/Math.html

abs {base}

R Documentation

Miscellaneous Mathematical Functions

Description

These functions compute miscellaneous mathematical functions. The naming follows the standard for computer languages such as C or Fortran.

Usage

abs(x)
sqrt(x)

Arguments

x

a numeric vector

See Also

Arithmetic for simple, log for logarithmic, sin for trigonometric, and Special for special mathematical functions.

Examples

xx <- -9:9
plot(xx, sqrt(abs(xx)),  col = "red")
lines(spline(xx, sqrt(abs(xx)), n=101), col = "pink")

[Package base version 1.6.1 ]