voice (version 0.4.21)

smooth_df: Smooth numeric variables in a data frame

Description

Smooth numeric variables in a data frame

Usage

smooth_df(x, k = 11, id = colnames(x)[1], colnum = NULL, mc.cores = 1)

Value

Vector of interpolated values with length near to compact.to*length(x).

Arguments

x

A data frame.

k

Integer width of the rolling window. Default: 11.

id

The identification column. Default: colname of the first column of x.

colnum

A char vector indicating the numeric colnames. If NULL, uses the columns of the numeric class.

mc.cores

The number of cores to mclapply. By default uses 1.

See Also

extract_features

Examples

library(voice)

# get path to audio file
path2wav <- list.files(system.file('extdata', package = 'wrassp'),
pattern = glob2rx('*.wav'), full.names = TRUE)

# minimal usage
M <- extract_features(path2wav, features = c('f0', 'fmt'))
(Ms <- smooth_df(M[-(1:2)]))
dim(M)
dim(Ms)