stabilo (version 0.1.1)

sttkarea: Quantifies the Area of a Statokinesigram (Center-of-Pressure displacement)

Description

Computes the area of of a given statokinesigram by fitting an ellipse containing 95 percent of statokinesigram's points.

Usage

sttkarea(dados)

Value

The area of the given statokinesigram sttkarea.

Arguments

dados

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

Author

Jose Magalhaes de Oliveira

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.

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)

COParea <- sttkarea(COP)