A.illuminant.spct       CIE A illuminant data
A2T                     Convert absorbance into transmittance
Afr2T                   Convert transmittance into absorptance.
D2.UV653                Data for typical calibration lamps
D2_spectrum             Calculate deuterium lamp output spectrum from
                        fitted constants
D50.illuminant.spct     CIE D50 illuminant data
D65.illuminant.spct     CIE D65 illuminant data
Extract                 Extract or replace parts of a spectrum
Extract_mspct           Extract or replace members of a collection of
                        spectra
FEL_spectrum            Incandescent "FEL" lamp emission spectrum
Ler_leaf.spct           Green Arabidopsis leaf reflectance and
                        transmittance.
MathFun                 Miscellaneous Mathematical Functions
Rfr_fraction            reflectance:reflectance fraction
Rfr_from_n              Reflectance at a planar boundary
Rfr_normdiff            reflectance:reflectance normalised difference
Rfr_ratio               reflectance:reflectance ratio
Subset                  Subsetting spectra
T2A                     Convert transmittance into absorbance.
T2Afr                   Convert transmittance into absorptance.
Tfr_fraction            transmittance:transmittance fraction
Tfr_normdiff            transmittance:transmittance normalised
                        difference
Tfr_ratio               transmittance:transmittance ratio
Trig                    Trigonometric Functions
^.generic_spct          Arithmetic Operators
absorbance              Absorbance
absorptance             Absorptance
add_attr2tb             Copy attributes from members of a
                        'generic_mspct'
any2T                   Convert filter quantities.
as.calibration_mspct    Coerce to a collection-of-spectra
as.calibration_spct     Coerce to a spectrum
as.chroma_mspct         Coerce to a collection-of-spectra
as.chroma_spct          Coerce to a spectrum
as.cps_mspct            Coerce to a collection-of-spectra
as.cps_spct             Coerce to a spectrum
as.filter_mspct         Coerce to a collection-of-spectra
as.filter_spct          Coerce or convert into a filter spectrum
as.generic_mspct        Coerce to a collection-of-spectra
as.generic_spct         Coerce to a spectrum
as.matrix-mspct         Coerce a collection of spectra into a matrix
as.object_mspct         Coerce to a collection-of-spectra
as.object_spct          Coerce to a spectrum
as.raw_mspct            Coerce to a collection-of-spectra
as.raw_spct             Coerce to a spectrum
as.reflector_mspct      Coerce to a collection-of-spectra
as.reflector_spct       Coerce to a spectrum
as.response_mspct       Coerce to a collection-of-spectra
as.response_spct        Coerce to a spectrum
as.solute_mspct         Coerce to a collection-of-spectra
as.solute_spct          Coerce to a solute spectrum
as.source_mspct         Coerce to a collection-of-spectra
as.source_spct          Coerce to a spectrum
as_energy               Convert spectral photon irradiance into
                        spectral energy irradiance
as_quantum              Convert spectral energy irradiance into
                        spectral photon irradiance
as_quantum_mol          Convert spectral energy irradiance into
                        spectral photon irradiance
average_spct            Average spectral data.
beesxyzCMF.spct         Honeybee xyz chromaticity colour matching
                        function data
black_body.spct         Theoretical optical bodies
c                       Combine collections of spectra
calc_multipliers        Spectral weights
calc_source_output      Scaled and/or interpolated light-source
                        spectral output
ccd.spct                Spectral response of a back-thinned CCD image
                        sensor.
checkTimeUnit           Check the "time.unit" attribute of an existing
                        source_spct object
check_spct              Check validity of spectral objects
check_spectrum          Sanity check a spectrum
check_w.length          Sanity check of wavelengths (internal
                        function).
check_wl_stepsize       Check consistency of wavelength step size
ciev10.spct             Linear energy CIE 2008 luminous efficiency
                        function 10 deg data
ciev2.spct              Linear energy CIE 2008 luminous efficiency
                        function 2 deg data
ciexyzCC10.spct         CIE xyz chromaticity coordinates (CC) 10 deg
                        data
ciexyzCC2.spct          CIE xyz chromaticity coordinates 2 deg data
ciexyzCMF10.spct        Linear energy CIE xyz colour matching function
                        (CMF) 10 deg data
ciexyzCMF2.spct         Linear energy CIE xyz colour matching function
                        (CMF) 2 deg data
class_spct              Query which is the class of a spectrum
clean                   Clean (=replace) off-range values in a spectrum
clear.spct              Theoretical spectrum of clear and apaque
                        materials
clip_wl                 Clip head and/or tail of a spectrum
collect2mspct           Form a new collection
color_of                Color of an object
compare_spct            Coarse-grained comparison of two spectra
cone_fundamentals10.spct
                        Ten-degree cone fundamentals
convertTfrType          Convert the "Tfr.type" attribute
convertThickness        Convert the "thickness" attribute of an
                        existing filter_spct object.
convertTimeUnit         Convert the "time.unit" attribute of an
                        existing source_spct object
convolve_each           Convolve function for collections of spectra
copy_attributes         Copy attributes
cps2irrad               Conversion from counts per second to physical
                        quantities
defunct                 Defunct functions and methods
despike                 Remove spikes from spectrum
diffraction_single_slit
                        Diffraction
dim.generic_mspct       Dimensions of an Object
div-.generic_spct       Arithmetic Operators
div_spectra             Divide two spectra, even if the wavelengths
                        values differ
drop_user_cols          Drop user columns
e2q                     Convert energy-based quantities into
                        photon-based quantities.
e2qmol_multipliers      Calculate energy to quantum (mol) multipliers
e2quantum_multipliers   Calculate energy to quantum multipliers
e_fluence               Energy fluence
e_fraction              Energy:energy fraction
e_irrad                 Energy irradiance
e_ratio                 Energy:energy ratio
e_response              Energy-based photo-response
enable_check_spct       Enable or disable checks
energy_as_default       Set spectral-data options
energy_irradiance       Calculate (energy) irradiance from spectral
                        irradiance
energy_ratio            Energy:energy ratio
eq_ratio                Energy:photon ratio
findMultipleWl          Find repeated w.length values
find_peaks              Find local maxima or global maximum (peaks)
find_spikes             Find spikes
find_wls                Find wavelength values in a spectrum
fit_peaks               Refine position and value of extremes by
                        fitting
fluence                 Fluence
formatted_range         Compute range and format it
fscale                  Rescale a spectrum using a summary function
fshift                  Shift the scale of a spectrum using a summary
                        function
generic_mspct           Collection-of-spectra constructor
getFilterProperties     Get the "filter.properties" attribute
getHowMeasured          Get the "how.measured" attribute
getIdFactor             Get the "idfactor" attribute
getInstrDesc            Get the "instr.desc" attribute
getInstrSettings        Get the "instr.settings" attribute
getKType                Get the "K.type" attribute
getMspctVersion         Get the "mspct.version" attribute
getMultipleWl           Get the "multiple.wl" attribute
getNormalized           Query the "normalized" and "normalization"
                        attributes
getScaled               Get the "scaled" attribute
getSoluteProperties     Get the "solute.properties" attribute
getSpctVersion          Get the "spct.version" attribute
getTimeUnit             Get the "time.unit" attribute of an existing
                        source_spct object
getWhatMeasured         Get the '"what.measured"' attribute
getWhenMeasured         Get the "when.measured" attribute
getWhereMeasured        Get the "where.measured" attribute
get_attributes          Get the metadata attributes
get_peaks               Get peaks and valleys from a spectrum
green_leaf.spct         Green birch leaf reflectance.
head_tail               Return the First and Last Parts of an Object
illuminance             Irradiance
insert_hinges           Insert wavelength values into spectral data.
insert_spct_hinges      Insert new wavelength values into a spectrum
integrate_spct          Integrate spectral data.
integrate_xy            Gives irradiance from spectral irradiance.
interpolate_spct        Map a spectrum to new wavelength values.
interpolate_spectrum    Calculate spectral values at a different set of
                        wavelengths
interpolate_wl          Map spectra to new wavelength values.
irrad                   Irradiance
irradiance              Photon or energy irradiance from spectral
                        energy or photon irradiance.
is.generic_mspct        Query class of spectrum objects
is.generic_spct         Query class of spectrum objects
is.old_spct             Query if an object has old class names
is.summary_generic_spct
                        Query class of spectrum summary objects
is.waveband             Query if it is a waveband
isValidInstrDesc        Check the "instr.desc" attribute
isValidInstrSettings    Check the "instr.settings" attribute
is_absorbance_based     Query if a spectrum contains absorbance or
                        transmittance data
is_effective            Is an R object "effective"
is_mole_based           Query if a spectrum contains mole or mass based
                        data
is_normalized           Query whether a generic spectrum has been
                        normalized.
is_photon_based         Query if a spectrum contains photon- or
                        energy-based data.
is_scaled               Query whether a generic spectrum has been
                        scaled
is_tagged               Query if a spectrum is tagged
join_mspct              Join all spectra in a collection
labels                  Find labels from "waveband" object
log                     Logarithms and Exponentials
make_var_labels         Column or variable labels
merge2object_spct       Merge into object_spct
merge_attributes        Merge and copy attributes
minus-.generic_spct     Arithmetic Operators
mod-.generic_spct       Arithmetic Operators
msmsply                 Multi-spct transform methods
mspct_classes           Names of multi-spectra classes
na.omit                 Handle Missing Values in Objects
normalization           Normalization of an R object
normalize               Normalize spectral data
normalize_range_arg     Normalize a range argument into a true numeric
                        range
normalized_diff_ind     Calculate a normalized difference.
oper_spectra            Binary operation on two spectra, even if the
                        wavelengths values differ
peaks                   Peaks or local maxima
phenylalanine.spct      Molar spectral attenuation coefficient of
                        phenylalanine
photobiology-package    photobiology: Photobiological Calculations
photodiode.spct         Spectral response of a GaAsP photodiode
photon_irradiance       Photon irradiance
photon_ratio            Photo:photon ratio
photons_energy_ratio    Photon:energy ratio
plus-.generic_spct      Arithmetic Operators
print.generic_spct      Print spectral objects
print.metadata          Print methods for metadata records
print.summary_generic_spct
                        Print spectral summary
print.waveband          Print a "waveband" object
prod_spectra            Multiply two spectra, even if the wavelengths
                        values differ
pull_sample             Random sample of spectra
q2e                     Convert photon-based quantities into
                        energy-based quantities
q_fluence               Photon fluence
q_fraction              Photon:photon fraction
q_irrad                 Photon irradiance
q_ratio                 Photon:photon ratio
q_response              Photon-based photo-response
qe_ratio                Photon:energy ratio
r4p_pkgs                Packages in R for Photobiology suite
rbindspct               Row-bind spectra
reflectance             Reflectance
replace_bad_pixs        Replace bad pixels in a spectrum
response                Integrated response
rgb_spct                RGB color values
rmDerivedMspct          Remove "generic_mspct" and derived class
                        attributes.
rmDerivedSpct           Remove "generic_spct" and derived class
                        attributes.
round                   Rounding of Numbers
s_e_irrad2rgb           Spectral irradiance to rgb color conversion
s_mean                  Mean from collection of spectra
s_mean_se               Mean and standard error from collection of
                        spectra
s_mean_se_band          Mean plus and minus standard error from
                        collection of spectra
s_median                Median of a collection of spectra
s_prod                  Product from collection of spectra
s_quantile              Quantiles of a collection of spectra
s_range                 Range of a collection of spectra
s_sd                    Standard Deviation of a collection of spectra
s_se                    Standard Error of a collection of spectra
s_sum                   Sum from collection of spectra
s_var                   Variance of a collection of spectra
select_spct_attributes
                        Merge user supplied attribute names with
                        default ones
setBSWFUsed             The "bswf.used" attribute
setFilterProperties     Set the "filter.properties" attribute
setGenericSpct          Convert an R object into a spectrum object.
setHowMeasured          Set the "how.measured" attribute
setIdFactor             Set the "idfactor" attribute
setInstrDesc            Set the "instr.desc" attribute
setInstrSettings        Set the "instr.settings" attribute
setKType                Set the "K.type" attribute
setMultipleWl           Set the "multiple.wl" attribute
setNormalized           Set the "normalized" and "normalization"
                        attributes
setResponseType         Set the "response.type" attribute
setRfrType              The "Rfr.type" attribute
setScaled               Set the "scaled" attribute
setSoluteProperties     Set the "solute.properties" attribute
setTfrType              The "Tfr.type" attribute
setTimeUnit             Set the "time.unit" attribute of an existing
                        source_spct object
setWhatMeasured         Set the "what.measured" attribute
setWhenMeasured         Set the "when.measured" attribute
setWhereMeasured        Set the "where.measured" attribute
shared_member_class     Classes common to all collection members.
sign                    Sign
slash-.generic_spct     Arithmetic Operators
smooth_spct             Smooth a spectrum
source_spct             Spectral-object constructors
spct_attr2tb            Copy attributes into a tibble
spct_classes            Function returning a vector containing the
                        names of spectra classes.
spct_metadata           Access metadata
spct_wide2long          Convert spectrum from wide to long form
spikes                  Spikes
split2mspct             Convert a 'wide' or untidy data frame into a
                        collection of spectra
split_bands             List-of-wavebands constructor
split_energy_irradiance
                        Energy irradiance for split spectrum regions
split_irradiance        Energy or photon irradiance for split spectrum
                        regions
split_photon_irradiance
                        Photon irradiance for split spectrum regions
spread                  Expanse
subset2mspct            Convert 'long' or tidy spectral data into a
                        collection of spectra
subt_spectra            Subtract two spectra
sum_spectra             Add two spectra
summary.generic_spct    Summary of one or more spectra
summary_spct_classes    Function that returns a vector containing the
                        names of spectral summary classes.
sun.spct                Solar spectral irradiance (simulated)
sun_daily.spct          Daily solar spectral irradiance (simulated)
sun_evening.spct        Time series of solar spectral irradiance
                        (measured)
tag                     Tag a spectrum
thin_wl                 Thin the density of wavelength values
times-.generic_spct     Arithmetic Operators
transmittance           Transmittance
trimInstrDesc           Trim the "instr.desc" attribute
trimInstrSettings       Trim the "instr.settings" attribute
trim_spct               Trim (or expand) head and/or tail of a spectrum
trim_tails              Trim (or expand) head and/or tail
trim_waveband           Trim (or expand) head and/or tail
trim_wl                 Trim head and/or tail of a spectrum
two_filters.spct        Transmittance spectrum of plastic films
two_sensors.mspct       Spectral response of two light sensors.
uncollect2spct          Extract all members from a collection
untag                   Remove tags
upgrade_spct            Upgrade one spectral object
upgrade_spectra         Upgrade one or more spectral objects
using_Tfr               Use photobiology options
v_insert_hinges         Insert spectral data values at new wavelength
                        values.
v_replace_hinges        Overwrite spectral data values at existing
                        wavelength values.
valleys                 Valleys or local minima
verbose_as_default      Set error reporting options
w_length2rgb            Wavelength to rgb color conversion
w_length_range2rgb      Wavelength range to rgb color conversion
water.spct              Molar spectral attenuation coefficient of water
waveband                Waveband constructor method
waveband_ratio          Photon or energy ratio
wb2rect_spct            Create tagged spectrum from wavebands
wb2spct                 Create spectrum from wavebands
wb2tagged_spct          Create tagged spectrum from wavebands
wb_trim_as_default      Set computation options
white_led.source_spct   White led bulb spectrum
wl2wavenumber           Wavelength conversions
wl_max                  Wavelength maximum
wl_midpoint             Midpoint
wl_min                  Wavelength minimum
wl_range                Wavelength range
wl_stepsize             Stepsize
wls_at_target           Find wavelengths values corresponding to a
                        target spectral value
