R: Use photobiology options

using_Tfr {photobiology} | R Documentation

## Use photobiology options

### Description

Execute an R expression, possibly compound, using a certain setting for spectral data related options.

### Usage

    using_Tfr(expr)

    using_Afr(expr)

    using_A(expr)

    using_energy(expr)

    using_photon(expr)

    using_quantum(expr)

### Arguments

`expr` | an R expression to execute.

### Value

The value returned by the execution of `expression`.

### References

Based on `withOptions()` as offered by Thomas Lumley, and listed inhttp://www.burns-stat.com/the-options-mechanism-in-r/, section Deep End, of "The Options mechanism in R" by Patrick Burns.

[Package photobiology version 0.9.21 Index]