spc.vector returns a selected range of elements from a
frequency spectrum as a plain numeric vector (which may contain
entries with V_m = 0, unlike the
an object of class
determine the range of frequency classes to be returned (defaulting to 1 ... 15)
spc.vector(obj, a, b) is fully equivalent to
a:b) (and is implemented in this way).
A numeric vector with the selected elements of the frequency spectrum.
In this vector, empty frequency classes (V_m = 0) are
represented by 0 entries (unlike the
spc object, which omits
all empty classes).
spc for more information about
spc objects and
links to relevant functions
Vm.spc for an alternative way of extracting spectrum
vectors from a
.spc object, and
extracting related information
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