class_docstr: This generic permutation test class contains the calibration method
  which is common to the derived classes permutation_test_onesample and
  permutation_test_twosample (as well as other common methods)
class_docstr_tok: ["This","generic","permutation","test","class","contains","the","calibration","method","which","is","common","to","the","derived","classes","permutation_test_onesample","and","permutation_test_twosample","(","as","well","as","other","common","methods",")"]
docstr: Return uncorrected voxel-level pseudo p-values.
docstr_tok: ["Return","uncorrected","voxel-level","pseudo","p-values","."]
code: def pvalue(self, Tvalues=None):
      """
      Return uncorrected voxel-level pseudo p-values.
      """
      if Tvalues is None:
          Tvalues = self.Tvalues
      return 1 - np.searchsorted(self.random_Tvalues, Tvalues) / float(
          self.ndraws
      )
  
imports: import numpy
  import warnings
  from nipy.algorithms.graph import wgraph_from_3d_grid
  from nipy.algorithms.graph.field import Field, field_from_graph_and_data
  from ..utils import zscore
  from .onesample import stat
  from .onesample import stat_mfx
  from .twosample import stat
  from .twosample import stat_mfx
label_desc: Use image node_id 3 for calling the permutation_test obj's underlying member method code with example usage: obj.pvalue(Tvalues) and returns: unknown