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It can be shown that any frequency function can be
transformed in to a
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frequency function of given form by a suitable transformation or
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functional relationship.
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For example, the original data follows some complicated
skewed
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distribution, we may want to transform this distribution
into a known
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distribution (such as the normal distribution) whose theory and
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property are well known.
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Most geoscience variables are distributed normally about
their mean or
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can be transformed in such a way that they become normally
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distributed.
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The normal distribution is, therefore, one of the most important
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distribution in geoscience data analysis.
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