code: def classifyplot_from_plotfiles(plot_files, out_csv, outtype="png", title=None, size=None):
      
      dfs = [pd.read_csv(x) for x in plot_files]
      samples = []
      for df in dfs:
          for sample in df["sample"].unique():
              if sample not in samples:
                  samples.append(sample)
      df = pd.concat(dfs)
      df.to_csv(out_csv, index=False)
      return classifyplot_from_valfile(out_csv, outtype, title, size, samples)
docs: Create a plot from individual summary csv files with classification metrics.