def __repr__(self): """ Emits a brief summary of all the statistics as a string. """ return "<sketch>" # TODO remove fields = [['size', 'Length', 'Yes'], ['min', 'Min', 'Yes'], ['max', 'Max', 'Yes'], ['mean', 'Mean', 'Yes'], ['sum', 'Sum', 'Yes'], ['var', 'Variance', 'Yes'], ['std', 'Standard Deviation', 'Yes'], [ 'num_undefined', '# Missing Values', 'Yes', ], ['num_unique', '# unique values', 'No']] s = '\n' result = [] for field in fields: try: method_to_call = getattr(self, field[0]) result.append([field[1], str(method_to_call()), field[2]]) except: pass sf = XArray(result).unpack(column_name_prefix="") sf.rename({'0': 'item', '1': 'value', '2': 'is exact'}) s += sf.__str__(footer=False) s += "\n" s += "\nMost frequent items:\n" frequent = self.frequent_items() sorted_freq = sorted(frequent.iteritems(), key=operator.itemgetter(1), reverse=True) if len(sorted_freq) == 0: s += " -- All elements appear with less than 0.01% frequency -- \n" else: sorted_freq = sorted_freq[:10] sf = XFrame() sf.add_column(XArray(['count']), 'value') for elem in sorted_freq: sf.add_column(XArray([elem[1]]), str(elem[0])) s += sf.__str__(footer=False) + "\n" s += "\n" try: # print quantiles t = self.quantile(0) s += "Quantiles: \n" sf = XFrame() for q in [0.0, 0.01, 0.05, 0.25, 0.5, 0.75, 0.95, 0.99, 1.00]: sf.add_column(XArray([self.quantile(q)]), str(int(q * 100)) + '%') s += sf.__str__(footer=False) + "\n" except: pass try: t_k = self.dict_key_summary() t_v = self.dict_value_summary() s += "\n******** Dictionary Element Key Summary ********\n" s += t_k.__repr__() s += "\n******** Dictionary Element Value Summary ********\n" s += t_v.__repr__() + '\n' except: pass try: t_k = self.element_summary() s += "\n******** Element Summary ********\n" s += t_k.__repr__() + '\n' except: pass return s.expandtabs(8)
def __repr__(self): """ Emits a brief summary of all the statistics as a string. """ return "<sketch>" # TODO remove fields = [ ['size', 'Length' , 'Yes'], ['min', 'Min' , 'Yes'], ['max', 'Max' , 'Yes'], ['mean', 'Mean' , 'Yes'], ['sum', 'Sum' , 'Yes'], ['var', 'Variance' , 'Yes'], ['std', 'Standard Deviation' , 'Yes'], ['num_undefined', '# Missing Values' , 'Yes',], ['num_unique', '# unique values', 'No' ] ] s = '\n' result = [] for field in fields: try: method_to_call = getattr(self, field[0]) result.append([field[1], str(method_to_call()), field[2]]) except: pass sf = XArray(result).unpack(column_name_prefix="") sf.rename({'0': 'item', '1': 'value', '2': 'is exact'}) s += sf.__str__(footer=False) s += "\n" s += "\nMost frequent items:\n" frequent = self.frequent_items() sorted_freq = sorted(frequent.iteritems(), key=operator.itemgetter(1), reverse=True) if len(sorted_freq) == 0: s += " -- All elements appear with less than 0.01% frequency -- \n" else: sorted_freq = sorted_freq[:10] sf = XFrame() sf.add_column(XArray(['count']), 'value') for elem in sorted_freq: sf.add_column(XArray([elem[1]]), str(elem[0])) s += sf.__str__(footer=False) + "\n" s += "\n" try: # print quantiles t = self.quantile(0) s += "Quantiles: \n" sf = XFrame() for q in [0.0, 0.01, 0.05, 0.25, 0.5, 0.75, 0.95, 0.99, 1.00]: sf.add_column(XArray([self.quantile(q)]), str(int(q * 100)) + '%') s += sf.__str__(footer=False) + "\n" except: pass try: t_k = self.dict_key_summary() t_v = self.dict_value_summary() s += "\n******** Dictionary Element Key Summary ********\n" s += t_k.__repr__() s += "\n******** Dictionary Element Value Summary ********\n" s += t_v.__repr__() + '\n' except: pass try: t_k = self.element_summary() s += "\n******** Element Summary ********\n" s += t_k.__repr__() + '\n' except: pass return s.expandtabs(8)