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SciMax Toolbox >> central_moment

central_moment

Maxima Function

Calling Sequence

central_moment (list, k)
central_moment(matrix,k)

Description

The central moment of order k, defined as

n
====
1   \          _ k
-    >    (x - x)
n   /       i
====
i = 1
Example:

(%i1) load (descriptive)$
(%i2) load (numericalio)$
(%i3) s1 : read_list (file_search ("pidigits.data"))$
(%i4) central_moment (s1, 2), numer; /* the variance */
(%o4)                   8.425899999999999
(%i6) s2 : read_matrix (file_search ("wind.data"))$
(%i7) central_moment (s2, 3);
(%o7) [11.29584771375004, 16.97988248298583, 5.626661952750102,
                             37.5986572057918, 25.85981904394192]

See also functions and .

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