plotScores
Plots the two components defined by pc1, pc2 of the matrix of scores coming from a multivariable analysis, typically a Principal Component Analysis (PCA).
plotScores(data, pc1, pc2, samples, factor = NULL, cexlabel = 1.2, level = 0.95, xlim = NULL, ylim = NULL, col = NULL)
data |
the matrix of scores coming from a multivariable analysis, typically a Principal Component Analysis (PCA) |
pc1 |
the fist component of the matrix of variable loadings to be plotted. |
pc2 |
the second component of the matrix of variable loadings to be plotted.
as well as the levels of the experimental factors if specified in the input.
See |
samples |
the samples matrix with the correspondence of the raw spectra, |
factor |
if not null, the name of one of the columns defining the factorial groups in the samples matrix at input |
cexlabel |
number indicating the amount by which plotting text and symbols should be scaled relative to the default. |
level |
confidence level for plotting the corresponding ellipse |
xlim |
gives the limit to be plotted of the first component |
ylim |
gives the limit to be plotted of the second component |
col |
colors vector for ellipses - automatically defined by default |
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