fshift_spct | R Documentation |
This function returns a spectral object of the same class as the one supplied as argument but with the spectral data expressed on a zero-shifted scale.
fshift_spct(spct, range, col.names, f, ...)
spct |
generic_spct The spectrum to be normalized |
range |
an R object on which range() returns a vector of length 2, with min and max wavelengths (nm) |
col.names |
character The name of the variable to shift with respect to zero. |
f |
function A summary function to be applied to |
... |
other arguments passed to f() |
This private function is used internally to implement the
hshift()
methods that are exported.
a new object of the same class as spct
.
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