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The ade4 Package - NexTag Supports Open Source Initiatives

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orthobasis 187<br />

Value<br />

All the functions excepted print.ortobasis return an object of class orthobasis containing<br />

a data frame. This data frame defines an orthonormal basis with n-1 vectors of length n. Various<br />

attributes are associated to it :<br />

names<br />

row.names<br />

class<br />

values<br />

weights<br />

call<br />

: names of the vectors<br />

: row names of the data frame<br />

: class<br />

: row weights (uniform weights)<br />

: numeric values to class vectors according to their quadratic forms (Moran<br />

ones)<br />

: call<br />

Note<br />

the function orthobasis.haar uses function wavelet.filter from package waveslim.<br />

Author(s)<br />

Sébastien Ollier 〈ollier@biomserv.univ-lyon1.fr〉<br />

Daniel Chessel<br />

References<br />

Misiti, M., Misiti, Y., Oppenheim, G. and Poggi, J.M. (1993) Analyse de signaux classiques par<br />

décomposition en ondelettes. Revue de Statistique Appliquée, 41, 5–32.<br />

Cornillon, P.A. (1998) Prise en compte de proximités en analyse factorielle et comparative. Thèse,<br />

Ecole Nationale Supérieure Agronomique, Montpellier.<br />

See Also<br />

gridrowcol that defines an orthobasis for square grid, phylog that defines an orthobasis for<br />

phylogenetic tree, orthogram and mld<br />

Examples<br />

# a 2D spatial orthobasis<br />

par(mfrow = c(4,4))<br />

w

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