plot the PCA for multiple samples
plotpca(
data,
lv = NULL,
index = NULL,
center = TRUE,
scale = TRUE,
xrange = NULL,
yrange = NULL,
pch = NULL,
...
)Arguments
- data
data row as peaks and column as samples
- lv
group information
- index
index for selected peaks
- center
parameters for PCA
- scale
parameters for scale
- xrange
x axis range for return samples, default NULL
- yrange
y axis range for return samples, default NULL
- pch
default pch would be the first character of group information or samples name
- ...
other parameters for `plot` function
Value
if xrange and yrange are not NULL, return file name of all selected samples on 2D score plot
Examples
data(list)
plotpca(list$data, lv = as.character(list$group$sample_group))
