Perform PCA. Outputs a list with dataframe and samples colouring info ready for plotting.
     
    
    Usage
    pca(data, targets, title = "", report_dir, suffix = "")
 
     
    
    Arguments
    - data
 
Input data.
 
- targets
 
Target group.
 
- title
 
Title.
 
- report_dir
 
Report directory.
 
- suffix
 
Suffix for output file.
 
 
    
    Value
    
Outputs a list with data frame and samples colouring info ready for plotting.