code: def test_uncensored_1(self):
      row = {"censored": False, "det_limit_index": 2, "rank": 1}
      result = ros._ros_plot_pos(row, "censored", self.cohn)
      assert_equal(result, 0.24713958810068648)
  
imports: from statsmodels.compat.pandas import assert_series_equal, assert_frame_equal
  from io import StringIO
  from textwrap import dedent
  import numpy
  import numpy.testing
  import numpy
  from numpy.testing import assert_equal
  import pandas
  import pytest
  from statsmodels.imputation import ros
label_desc: Use image node_id 2 for calling the Test__ros_plot_pos obj's underlying member method code with example usage: obj.test_uncensored_1() without return types