statistic: is statistic used default is energetic.mean
plot.tone: is logic argument default is false don't plot result
Returns
plot of 1/3 octave frequency and isofonic curve A (ISO 226:1987)
Examples
# Search pure tone from PTFA dataset# dataframe have to contain date and LLfmin (minor value of Linear level frequency)search.tone(PTFA[, c(3:38)], plot.tone =FALSE)# Plot resultsearch.tone(PTFA[, c(3:38)], plot.tone =TRUE)