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Computes and draws the closed geometric mean of the set of points specified.


ternary_mean(x, y, z, ...)

# S4 method for numeric,numeric,numeric
ternary_mean(x, y, z, ...)

# S4 method for ANY,missing,missing
ternary_mean(x, y, z, ...)


x, y, z

A numeric vector giving the x, y and z ternary coordinates of a set of points. If y and z are missing, an attempt is made to interpret x in a suitable way (see grDevices::xyz.coords()).


Further arguments to be passed to graphics::points().


ternary_mean() is called it for its side-effects.

See also


N. Frerebeau


## Mean
## Data from Aitchison 1986
ternary_plot(lava, panel.first = ternary_grid())
ternary_mean(lava, pch = 16, col = "red")
ternary_confidence(lava, level = 0.95, border = "red", lty = 1)