abs {base} | R Documentation |
These functions compute miscellaneous mathematical functions. The naming follows the standard for computer languages such as C or Fortran.
abs(x)
sqrt(x)
x |
a numeric vector |
Arithmetic
for simple, log
for logarithmic,
sin
for trigonometric, and Special
for
special mathematical functions.
xx <- -9:9
plot(xx, sqrt(abs(xx)), col = "red")
lines(spline(xx, sqrt(abs(xx)), n=101), col = "pink")