Parameters | Spectral Preprocessing | y Variables to Detrend

y Variables to Detrend
Specify the variables to be detrended. Each variable represents a spectrum.
Tip: You can also use the List-Style Specification of y Variables to Detrend field, which is particularly useful when specifying a large number of variables.
To Specify y Variables to Detrend:
The Available Variables field becomes populated with variables from the specified data set.
Left-click a single variable, or hold down Ctrl while left-clicking multiple variables, from the Available Variables field.