[Rd] spec.pgram (PR#7124)

stoffer at pitt.edu stoffer at pitt.edu
Thu Jul 22 00:47:37 CEST 2004

Full_Name: david stoffer
Version: 1.9.0
OS: win xp pro
Submission from: (NULL) (

spec.pgram is supposed to plot the periodogram values in dB, i.e., 10log10(.).
the value on the graph look ok, but the y-axis, plotted on dB scale NEVER shows
negative values. in other words,  all values are shown as positive.

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