Description Usage Arguments Details Value
The numeric vector fct
get together the properties
of assemblages belonging to different assembly motifs. The properties
fct
of assemblages belonging to a given assembly motif and
containing a given element are separately averaged. The property of
each assemblage is computed as the average of mean values of
assemblages containing the same elements as the considered assemblage,
except the assemblage to predict (leave-one-out, LOO). The motif
of each vector element is specified in the vector assMotifs
.
The elemental composition of each assemblage is specified in the
binary matrix mOccur
: 0
if the element does not occur,
1
if the element occurs.
1 | predict_amean_byelt_LOO_xpr(fct, assMotifs, mOccur, xpr)
|
fct |
a vector of numeric values (assembly properties). |
assMotifs |
a vector of labels of |
mOccur |
a matrix of occurrence (occurrence of elements).
Its first dimension equals to |
xpr |
a vector of labels of same length as |
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. Over several
experiments.
Return a vector of same length as fctMot
, of
which values are computed as an arithmetic mean.
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