ggspectra (version 0.3.2)

exponent2prefix: SI unit prefixes

Description

Convert SI unit prefixes into exponents of ten of multipliers and vice-versa.

Usage

exponent2prefix(exponent,
  char.set = getOption("photobiology.fancy.chars", default = "utf8"))
exponent2factor(exponent = 0, if.zero.exponent = "1")
exponent2prefix_name(exponent)
prefix_name2exponent(name)
prefix2exponent(prefix, char.set = getOption("photobiology.fancy.chars",
  default = "utf8"))
has_SI_prefix(exponent)
nearest_SI_exponent(exponent)

Arguments

exponent

numeric The power of 10 of the unit multiplier.

char.set

character How to encode Greek letters and other fancy characters in prefixes: "utf8", "ascii", "LaTeX".

if.zero.exponent

character string to return when exponent is equal to zero.

name

character Long SI name of multiplier.

prefix

character Unit prefix used for multiplier.

Examples

# NOT RUN {
exponent2prefix(3)
exponent2prefix(0)
exponent2prefix(-6)


exponent2factor(3)
exponent2factor(0)
exponent2factor(0, NULL)
exponent2factor(0, "")
exponent2factor(-6)

# }