KeyError: 0 when running example

[ElLorans]

data = pd.Series([1, 8, 9, 10, 9])
grubbs.test(data, alpha=0.05)

Gives

KeyError                                  Traceback (most recent call last)
<ipython-input-5-1838b39dbcff> in <module>
      1 data = pd.Series([1, 8, 9, 10, 9])
----> 2 grubbs.test(data, alpha=0.05)

~\miniconda3\lib\site-packages\outliers\smirnov_grubbs.py in test(data, alpha)
    241 
    242 def test(data, alpha=DEFAULT_ALPHA):
--> 243     return two_sided_test(data, alpha)

~\miniconda3\lib\site-packages\outliers\smirnov_grubbs.py in two_sided_test(data, alpha)
    205 
    206 def two_sided_test(data, alpha=DEFAULT_ALPHA):
--> 207     return _two_sided_test(data, alpha, OutputType.DATA)
    208 
    209 

~\miniconda3\lib\site-packages\outliers\smirnov_grubbs.py in _two_sided_test(data, alpha, output_type)
    193 
    194 def _two_sided_test(data, alpha, output_type):
--> 195     return _test(TwoSidedGrubbsTest, data, alpha, output_type)
    196 
    197 

~\miniconda3\lib\site-packages\outliers\smirnov_grubbs.py in _test(test_class, data, alpha, output_type)
    189 
    190 def _test(test_class, data, alpha, output_type):
--> 191     return test_class(data).run(alpha, output_type=output_type)
    192 
    193 

~\miniconda3\lib\site-packages\outliers\smirnov_grubbs.py in run(self, alpha, output_type)
    120 
    121         while True:
--> 122             outlier_index = self._test_once(data, alpha)
    123             if outlier_index is None:
    124                 break

~\miniconda3\lib\site-packages\outliers\smirnov_grubbs.py in _test_once(self, data, alpha)
    101         :return: the index of the outlier if one if found; None otherwise
    102         """
--> 103         target_index, value = self._target(data)
    104 
    105         g = value / data.std()

~\miniconda3\lib\site-packages\outliers\smirnov_grubbs.py in _target(self, data)
    152         relative_values = abs(data - data.mean())
    153         index = relative_values.argmax()
--> 154         value = relative_values[index]
    155         return index, value
    156 

~\miniconda3\lib\site-packages\pandas\core\series.py in __getitem__(self, key)
    869         key = com.apply_if_callable(key, self)
    870         try:
--> 871             result = self.index.get_value(self, key)
    872 
    873             if not is_scalar(result):

~\miniconda3\lib\site-packages\pandas\core\indexes\base.py in get_value(self, series, key)
   4402         k = self._convert_scalar_indexer(k, kind="getitem")
   4403         try:
-> 4404             return self._engine.get_value(s, k, tz=getattr(series.dtype, "tz", None))
   4405         except KeyError as e1:
   4406             if len(self) > 0 and (self.holds_integer() or self.is_boolean()):

pandas\_libs\index.pyx in pandas._libs.index.IndexEngine.get_value()

pandas\_libs\index.pyx in pandas._libs.index.IndexEngine.get_value()

pandas\_libs\index.pyx in pandas._libs.index.IndexEngine.get_loc()

pandas\_libs\hashtable_class_helper.pxi in pandas._libs.hashtable.Int64HashTable.get_item()

pandas\_libs\hashtable_class_helper.pxi in pandas._libs.hashtable.Int64HashTable.get_item()

KeyError: 0

[gitPrinz]

I switched the first two numbers, so it doesn't fail:

data = pd.Series([8, 1, 9, 10, 9])

But named rows

data = pd.Series({'a': 8, 'b': 1, 'c': 9, 'd': 10, 'e': 9})

give

Traceback (most recent call last):
  File "xxx\lib\site-packages\IPython\core\interactiveshell.py", line 3331, in run_code
    exec(code_obj, self.user_global_ns, self.user_ns)
  File "<ipython-input-37-4ecfcc731723>", line 1, in <module>
    grubbs.test(data, alpha=0.05)
  File "xxx\lib\site-packages\outliers\smirnov_grubbs.py", line 243, in test
    return two_sided_test(data, alpha)
  File "xxx\lib\site-packages\outliers\smirnov_grubbs.py", line 207, in two_sided_test
    return _two_sided_test(data, alpha, OutputType.DATA)
  File "xxx\lib\site-packages\outliers\smirnov_grubbs.py", line 195, in _two_sided_test
    return _test(TwoSidedGrubbsTest, data, alpha, output_type)
  File "xxx\lib\site-packages\outliers\smirnov_grubbs.py", line 191, in _test
    return test_class(data).run(alpha, output_type=output_type)
  File "xxx\lib\site-packages\outliers\smirnov_grubbs.py", line 127, in run
    data = self._delete_item(data, outlier_index)
  File "xxx\lib\site-packages\outliers\smirnov_grubbs.py", line 59, in _delete_item
    return data.drop(index)
  File "xxx\lib\site-packages\pandas\core\series.py", line 4139, in drop
    errors=errors,
  File "xxx\lib\site-packages\pandas\core\generic.py", line 3936, in drop
    obj = obj._drop_axis(labels, axis, level=level, errors=errors)
  File "xxx\lib\site-packages\pandas\core\generic.py", line 3970, in _drop_axis
    new_axis = axis.drop(labels, errors=errors)
  File "xxx\lib\site-packages\pandas\core\indexes\base.py", line 5017, in drop
    raise KeyError(f"{labels[mask]} not found in axis")
KeyError: '[1] not found in axis'

Maybe this is related?

[magiccpp]

Fixed, please check this pull request.
#11