ipfPlotLocation: Plots the spatial location of the observations
In ipft: Indoor Positioning Fingerprinting Toolset

Plots the spatial location of the observations

1 2	ipfPlotLocation(positions, plabel = FALSE, reverseAxis = FALSE, xlab = NULL, ylab = NULL, title = "", pgrid = FALSE)

`positions`	a data frame or matrix with the positions
`plabel`	if TRUE, adds labels to groups / observations
`reverseAxis`	swaps axis
`xlab`	x-axis label
`ylab`	y-axis label
`title`	plot title
`pgrid`	plot grid (boolean)

    ipfPlotLocation(ipftrain[, 169:170])

    ipfPlotLocation(ipftrain[, 169:170], plabel = TRUE, reverseAxis = TRUE,
                    title = 'Position of training set observations')