The index of the spectrum in the spectra array
Allows to specify 2 labels using a string like 'nm vs °C'
Select based on the presence of a meta information
Select based on the title field
Allows to specify 2 units using a string like 'nm vs °C'
Allows to specify X and Y variables using a string like 'c vs d'
Filter based on xLabel
Filter based on xUnits
Select a specific X variable by one letter name
Filter based on yLabel
Filter based on yUnits
Select a specific Y variable by one letter name
Select based on the data type