alterSD are generic functions used to alter
means or standard deviations respectively based on the input object.
probability based on the input object. Each method invokes particular
methods which depend on the
class of the
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an object for which altering mean or standard deviation is desired
function that returns its transformed input
additional arguments affecting the specific transformation performed
The form of the value returned by
depends on the class of its argument. See the documentation of the
particular methods for details of what is produced by that method.
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