Generate a PCA plot of combined groups with optional coloring and shaping. Axis labels always include variance explained for the selected PCs.
Usage
plot_pca_cluster(
X,
Y,
MX,
MY,
color_var = NULL,
shape_var = NULL,
pcs = c(1, 2),
title = NULL,
x_label = NULL,
y_label = NULL,
point_size = 1
)Arguments
- X
Numeric matrix or data frame for the first group.
- Y
Numeric matrix or data frame for the second group.
- MX
Metadata for X.
- MY
Metadata for Y.
- color_var
Name of the metadata variable for color (optional).
- shape_var
Name of the metadata variable for shape (optional).
- pcs
Integer vector of length 2 indicating which PCs to plot (default c(1,2)).
- title
Plot title.
- x_label
X-axis label.
- y_label
Y-axis label.
- point_size
Size of the points.