[adegenet-commits] r561 - pkg/man
noreply at r-forge.r-project.org
noreply at r-forge.r-project.org
Mon Feb 8 19:17:19 CET 2010
Author: jombart
Date: 2010-02-08 19:17:19 +0100 (Mon, 08 Feb 2010)
New Revision: 561
Modified:
pkg/man/dapc.Rd
Log:
A few minor fixes and typos.
Modified: pkg/man/dapc.Rd
===================================================================
--- pkg/man/dapc.Rd 2010-02-08 18:02:44 UTC (rev 560)
+++ pkg/man/dapc.Rd 2010-02-08 18:17:19 UTC (rev 561)
@@ -12,8 +12,8 @@
\description{
These functions implement the Discriminant Analysis of Principal Components
(DAPC). See 'details' section for a succint description of the method. DAPC
- implementation calls upon \code{dudi.pca} from the \code{ade4} package and
- \code{lda} from the \code{MASS} package.
+ implementation calls upon \code{\link[ade4]{dudi.pca}} from the \code{ade4} package and
+ \code{\link[MASS]{lda}} from the \code{MASS} package.
\code{dapc} performs the DAPC on a \code{data.frame}, a \code{matrix}, or a
\code{\linkS4class{genind}} object, and returns an object with class
@@ -24,9 +24,9 @@
Other functions are:
- - \code{print.dapc}: prints the content of a \code{dapc} object
+ - \code{print.dapc}: prints the content of a \code{dapc} object.
- - \code{summary.dapc}: gives variance and autocorrelation statistics
+ - \code{summary.dapc}: extracts useful information from a \code{dapc} object.
- \code{scatter.dapc}: produces scatterplots of principal components (or
'discriminant functions'), with a screeplot of eigenvalues as inset.
@@ -72,10 +72,9 @@
\item{var.contrib,all.contrib}{a \code{logical} indicating whether the
contribution of original variables (alleles, for \linkS4class{genind} objects)
should be provided (TRUE) or not (FALSE, default). Such output can be useful,
- but can also create huge matrices when there the original size of the dataset
- is huge.}
+ but can also create huge matrices when there is a lot of variables.}
\item{pca.select}{a \code{character} indicating the mode of selection of PCA
- axes, matching approximately "nbEig" or "percVar". For "nbEig", the user
+ axes, matching either "nbEig" or "percVar". For "nbEig", the user
has to specify the number of axes retained (interactively, or via
\code{n.pca}). For "percVar", the user has to specify the minimum amount of
the total variance to be preserved by the retained axes, expressed as a
@@ -93,7 +92,7 @@
labels should be used in object outputs (TRUE, default) or not (FALSE).}
\item{xax,yax}{\code{integers} specifying which principal components of DAPC
should be shown in x and y axes. }
-\item{col}{a suitable color to be used for groups. Not that the specified vector
+\item{col}{a suitable color to be used for groups. The specified vector
should match the number of groups, not the number of individuals.}
\item{posi,bg,ratio,csub}{arguments used to customize the inset in scatterplots
of DAPC results. See \code{\link[ade4]{add.scatter}} documentation in the
@@ -132,11 +131,11 @@
\item{call}{the matched call.}
\item{n.pca}{number of PCA axes retained}
\item{n.da}{number of DA axes retained}
- \item{var}{proportion of variance conserved by PCA principal components}
+ \item{var}{proportion of variance conserved by PCA principal components}
\item{eig}{a numeric vector of eigenvalues.}
\item{grp}{a factor giving prior group assignment}
\item{prior}{a numeric vector giving prior group probabilities}
- \item{assign}{a factor giving posterior group assignment}
+ \item{assign}{a factor giving posterior group assignment}
\item{tab}{matrix of retained principal components of PCA}
\item{loadings}{principal axes of DAPC, giving coefficients of the linear
combination of retained PCA axes.}
@@ -153,9 +152,9 @@
Other functions have different outputs:\cr
- \code{summary.dapc} returns a list with 6 components: \code{n.dim} (number
of retained DAPC axes), \code{n.pop} (number of groups/populations),
- \code{assign.prop} (proportion of overall correct assignment),
- \code{assign.per.pop} (proportion of correct assignment per group),
- \code{prior.grp.size} (prior group sizes), and \code{post.grp.size} (posterior
+ - \code{assign.prop} (proportion of overall correct assignment),
+ - \code{assign.per.pop} (proportion of correct assignment per group),
+ - \code{prior.grp.size} (prior group sizes), and \code{post.grp.size} (posterior
group sizes).
- \code{scatter.dapc, assignplot} return the matched call.\cr
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