Revision 923d0cc1f43c36debbea1f1fb06e4de448065380 authored by Gilles Raiche on 31 August 2019, 09:11:55 UTC, committed by cran-robot on 31 August 2019, 09:11:55 UTC
1 parent 592b098
eigenComputes.r
eigenComputes <-
function(x, cor=TRUE, model="components", ...) {
dataType <- eigenFrom(x)
if (model == "components") {
res <- switch(dataType,
eigenvalues = as.vector(x),
correlation = {if (cor == FALSE) eigen(x)$values else eigen(cov2cor(x))$values},
data = {if (cor == TRUE) eigen(cor(x, ...))$values else eigen(cov(x, ...))$values}
)
}
if (model == "factors") {
res <- switch(dataType,
eigenvalues = as.vector(x),
correlation = {if (cor == FALSE) eigen(corFA(x, method="ginv"))$values else eigen(cov2cor(corFA(x, method="ginv")))$values},
data = {if (cor == TRUE) eigen(corFA(cor(x, ...),method="ginv"))$values else eigen(corFA(cov(x, ...),method="ginv"))$values}
)
}
return(res)
}
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