visAFCM | R Documentation |
Plots multiple correspondence analysis graphs. The graphs can be unique or multiple which is sometimes necessary for better lisibility.
visAFCM(data, scannf=FALSE, nf=2, xax = 1, yax = 2, clab.row = FALSE, clab.col = 1,
permute = FALSE, posieig = "top", sub = NULL, graphstyle = "unique",
graphrow = 1, graphcol = 3, cpoint = 1, clabel = 2, csub = 2)
data |
A data.frame with the qualitative variables which should be taken in account in the multiple correspondence analysis. |
scannf |
A logical value indicating whether the eigenvalues bar plot should be displayed; see ade4 package (by default scannf = FALSE). |
nf |
If scannf=FALSE, an integer indicating the number of kept axes; see ade4 package (by default nf = 2). |
xax |
A numeric giving the number of the first axis to plot (by default xax = 1). |
yax |
A numeric giving the number of the second axis to plot (by default yax = 2). |
clab.row |
A character size for the rows (by default clab.row = FALSE). |
clab.col |
A character size for the columns (by default clab.col = 1). |
permute |
If FALSE, the rows are plotted by points and the columns by arrows. If TRUE it is the opposite (by default permute = FALSE). |
posieig |
If "top" the eigenvalues bar plot is upside, if "bottom" it is downside, if "none" no plot. "topleft" and "bottomleft" are also possible (by default posieig = "top"). |
sub |
A string of characters to be inserted as legend (by default sub = NULL). |
graphstyle |
Three kinds of graph can be selected. If graphstyle = "unique", all variables will be plotted on the same graph. If graphstyle = "multiple a" each variable will be plotted in different graphs (cf. graphrow and graphcol) with inertia ellipse. If graphstyle = "multiple b" each variable will be plotted in different graphs (cf. graphrow and graphcol) with convex hulls. |
graphrow |
The number of row for multiple graph. If one deal with 6 variables it is recommended to write graphrow = 2 and graphcol = 3. |
graphcol |
The number of column for multiple graph. If one deal with 6 variables it is recommended to write graphrow = 2 and graphcol = 3. |
cpoint |
A numeric for the size of the points. |
clabel |
A numeric for the size of the labels. |
csub |
A numeric for the size of the name of the variable written at the bottom of each chart. |
If you use this function please cite also ade4-package.
Borel A., Pouydebat E., Reghem E. <antony.borel@gmail.com> based on functions from Daniel Chessel, Anne-Beatrice Dufour and Stephane Dray, with contributions from Thibaut Jombart, Jean R. Lobry, Sebastien Ollier, Sandrine Pavoine and Jean Thioulouse. Package ade4: Analysis of Ecological Data : Exploratory and Euclidean methods in Environmental sciences.
Daniel Chessel, Anne-Beatrice Dufour and Stephane Dray, with contributions from Thibaut Jombart, Jean R. Lobry, Sebastien Ollier, Sandrine Pavoine and Jean Thioulouse. Package ade4: Analysis of Ecological Data : Exploratory and Euclidean methods in Environmental sciences.
scatter.dudi
, s.class
, s.chull
data(laterdata)
## "unique" graph:
visAFCM(laterdata)
## "multiple a" graph:
visAFCM(laterdata, xax = 1, yax = 2, clab.row = FALSE, clab.col = 1,
permute = FALSE, posieig = "top", sub = NULL, graphstyle = "multiple a",
graphrow = 2, graphcol = 3, cpoint=3)
## "multiple b" graph:
visAFCM(laterdata, xax = 1, yax = 2, clab.row = FALSE, clab.col = 1,
permute = FALSE, posieig = "top", sub = NULL, graphstyle = "multiple b",
graphrow = 2, graphcol = 3)
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