almostZero              Test whether vector elements are effectively
                        zero
detrendHeight           Remove trend from a time series
plotWaveSpectrum        Plot a basic spectrum
prCorr                  Correct for depth attenuation of a water
                        surface elevation pressure signal.
waveNumL                A function to calculate wave number.
waveStatsSP             Calculate ocean wave parameters using spectral
                        analysis methods
waveStatsZC             Calculate wave statistics using zero-crossing
                        method
wavedata                Example wave records
