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Deficiencies
The calculated errors in coherency and phase are underestimated
at both ends of the spectrum (by a factor root 2 at the very
ends) since the assumed symmetry of the spectrum about its ends
results in fewer statistically independent points being smoothed
over in these regions.
The program cannot make allowance for bad data - the user is
warned if any bad quality points are present. Bad values can be
replaced by interpolated values using INTERPOLATE.
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