Mathematical Functions for hyperSpec Objects.

The functions abs(), sign(), sqrt(), floor(), ceiling(), trunc(), round(), signif(), exp(), log(), expm1(), log1p(), cos(), sin(), tan(), acos(), asin(), atan(), cosh(), sinh(), tanh(), acosh(), asinh, atanh(), lgamma(), gamma(), digamma(), trigamma(), cumsum(), cumprod(), cummax(), cummin() for hyperSpec objects.

# S4 method for hyperSpec
Math2(x, digits)

# S4 method for hyperSpec
log(x, base = exp(1), ...)

# S4 method for hyperSpec
Math(x)

Arguments

x	the hyperSpec object
digits	integer stating the rounding precision
base	base of logarithm
...	ignored

Value

a hyperSpec object

See also

methods::S4groupGeneric() for group generic methods.

base::Math() for the base math functions.

Arith() for arithmetic operators, Comparison() for comparison operators, and Summary() for group generic functions working on hyperSpec objects.

Author

C. Beleites

Examples

log(flu)
#> hyperSpec object
#>    6 spectra
#>    3 data columns
#>    181 data points / spectrum
#> wavelength: lambda/nm [numeric] 405.0 405.5 ... 495 
#> data:  (6 rows x 3 columns)
#>    1. spc: I[fl]/"a.u." [matrix, array181] 3.301377 4.201723 ... 5.685787 
#>    2. filename: filename [character] rawdata/flu1.txt rawdata/flu2.txt ... rawdata/flu6.txt 
#>    3. c: c / (mg / l) [numeric] 0.05 0.10 ... 0.3