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kero.DataHandler.DataTransform.py def column_defect_index(inputlist): return defect_indices

inputlist | Any list. In this context, it is a list corresponding to a column of a data frame. |

return defect_indices | A list, containing the index of defective entry. |

The function takes in a list, which corresponds to a data column of a data frame in the bigger context. It then returns the list of indices, each index points to the entry of the input list that is defective.

**Defective entry**. An entry is defective if it fulfils the condition in the following table.

Data type |
Condition |

Integer | If it is True under numpy.isnan() when converted to float. |

Float | If it is True under numpy.isnan() |

String | If it is an empty string |

*kero version: 0.1 and above*