sttkxmdfreq {stabilo}

Quantifies the Median Frequency of the Lateral Displacement of COP.

Description

Computes the median frequency of the lateral displacement of the center of pressure.

Usage

sttkxmdfreq(dados, sampfreq)

Arguments

dados

data frame with two columns "x" and "y"

sampfreq

number The sampling frequency

Details

'dados' is a data frame containing two columns named "x" and "y". The pairs (x, y) are the coordinates of the center of pressure acquired in a period of time.

Value

The median frequency of the x displacement for the given statokinesigram FMx.

Author(s)

Jose Magalhaes de Oliveira

See Also

sttkangle, sttkellipseplot

Examples

x <- c(1,3,7,5,9,4,3,6,8,2,8,9,4,5,7,3,4,7,9,3,2,5,3,4,8,2,9,7,4,2)
y <- c(6,3,9,1,3,7,4,9,6,1,7,3,9,7,2,6,3,4,8,1,9,3,6,8,1,6,2,9,8,3)

COP <- data.frame(x, y)

COPxmdfreq <- sttkxmdfreq(COP, 50)