trackdata: Track data object

Description Format Methods Note See Also Examples

Description

A track data object is the result of get_trackdata().

Format

\$index

a two columned matrix, each row keeps the first and last index of the \$data rows that belong to one segment

\$ftime

a two columned matrix, each row keeps the times marks of one segment

\$data

a multi-columned matrix with the real track values for each segment

Methods

The following generic methods are implemented for trackdata objects.

list("Arith")

"+", "-", "*", "^", "%%", "%/%", "/"

list("Compare")

"==", ">", "<", "!=", "<=", ">="

list("Logic")

"&", "|".

list("Ops")

"Arith", "Compare", "Logic"

list("Math")

"abs", "sign", "sqrt", "ceiling", "floor", "trunc", X "cummax", "cummin", "cumprod", "cumsum", "log", "log10", "log2", "log1p", "acos", "acosh", "asin", "asinh", "atan", "atanh", "exp", "expm1", "cos", "cosh", "sin", "sinh", "tan", "tanh", "gamma", "lgamma", "digamma", "trigamma"

list("Math2")

"round", "signif"

list("Summary")

"max", "min", "range", "prod", "sum", "any", "all"

Note

The entire data track is retrieved for each segment in the segment list. The amount of data returned will depend on the sample rate and number of columns in the track requested.

See Also

get_trackdata, demo.vowels.fm demo.all.rms

Examples

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   data(demo.vowels.fm)
   data(demo.vowels)
   
   #Formant track data for the first segment of the segment list demo.vowels
   demo.vowels.fm[1]
  

emuR documentation built on June 11, 2021, 5:10 p.m.