Description Usage Arguments Details Value
The numeric vector fctMot
get together the
properties of assemblages belonging to a same assembly motif.
The properties fctMot
of assemblages containing a given element
are separately averaged, except the assemblage to predict. The property
of each assemblage is computed as the average of mean values of
assemblages containing the same elements as the considered assemblage.
The elemental composition of each assemblage is specified in the
binary matrix mOccurMot
: 0
if the element does not
occur, 1
if the element occurs.
1 | amean_byelt_LOO(fctMot, mOccurMot)
|
fctMot |
a vector of numeric values (assembly properties). |
mOccurMot |
a matrix of occurrence (occurrence of elements).
Its first dimension equals to |
Prediction is computed using arithmetic mean amean
by element byelt
occurring within the assemblage and other
assemblages of a same motif, by including all assemblages belonging
to a same motif, except the assemblage to predict.
Return a vector of length(fct)
, of which values are
computed as an arithmetic mean of all vector elements over several
experiments, excepted the value of element to predict that have
been left out.
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