Archaeological Sediments and Soils by Anthony J Barham Richard I Macphail

Author:Anthony J Barham, Richard I Macphail [Anthony J Barham, Richard I Macphail]
Language: eng
Format: epub
ISBN: 9781138404977
Barnesnoble:
Publisher: Taylor & Francis
Published: 2017-07-11T00:00:00+00:00

Fig. 6. Three mathematical distributions fitted to grain size data from the modern shoreline of Oronsay, Inner Hebrides: a – log skew Laplace distribution; b – log hyperbola; c – log normal distribution. The log scale on the vertical axis exaggerates the discrepancies between the data points and the tails of the distributions. The quantities of sand involved in the tails are small. The log normal distribution is fully satisfactory if the distribution is essentially symmetrical. In some circumstances log skew Laplace distributions may be easier to compute and ‘fit’ than log hyperbola (redrawn from Flenley 1987).

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