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only normalize in pls_project() if we need to #1513

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only normalize in pls_project() if we need to #1513

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4 changes: 3 additions & 1 deletion R/pls.R
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Original file line number Diff line number Diff line change
Expand Up @@ -318,7 +318,9 @@
x <- as.matrix(x)
}
z <- sweep(x, 2, STATS = object$mu, "-")
z <- sweep(z, 2, STATS = object$sd, "/")
if (!is.null(object$sd)) {
z <- sweep(z, 2, STATS = object$sd, "/")

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Added lines #L321 - L322 were not covered by tests
}
res <- z %*% object$coefs
res <- tibble::as_tibble(res)
res <- purrr::map2_dfc(res, object$col_norms, \(.x, .y) .x * .y)
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