Description Usage Arguments Value Author(s) Examples
The function calculates the first moment of grain-size distributions, using either the arithmetic or geometric method.
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data |
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classes |
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unit |
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method |
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Numeric
vector, mean grain-size.
Michael Dietze
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 | ## load example data set
data(LA950)
## calculate arithemtric mean in metric scale
calc_mean(data = LA950$y,
classes = LA950$x,
unit = "mu")
## calculate arithmetic mean in phi-scale
calc_mean(data = LA950$y,
classes = convert_units(mu = LA950$x),
unit = "phi")
## calculate geometric mean
calc_mean(data = LA950$y,
classes = LA950$x,
unit = "mu",
method = "geometric")
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