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The title is too vague. Preprocessing has many avenues
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I have a python pandas dataframe representing a superset. The data contains a lot of nulls which I want to overwrite with real values.

the superset has:

  • both numerical and categorical data
  • some nulls for most attributes
  • multi class attributes (attributes can have multiple values)
  • It is not time dependent
  • each row is a unique person

It would be neat to use machine learning to fill in the nulls, any recommendations on how I can do this?

(I guess that I can tranform the categorical data to numerical if required)

I have a python pandas dataframe representing a superset. The data contains a lot of nulls which I want to overwrite with real values.

the superset has:

  • both numerical and categorical data
  • some nulls for most attributes
  • multi class attributes (attributes can have multiple values)
  • It is not time dependent
  • each row is a unique person

It would be neat to use machine learning to fill in the nulls, any recommendations on how I can do this?

(I guess that I can tranform the categorical data to numerical if required)

I have a python pandas dataframe representing a superset. The data contains a lot of nulls which I want to overwrite with real values.

the superset has:

  • both numerical and categorical data
  • some nulls for most attributes
  • multi class attributes (attributes can have multiple values)
  • It is not time dependent
  • each row is a unique person

It would be neat to use machine learning to fill in the nulls, any recommendations on how I can do this?

(I guess that I can tranform the categorical data to numerical if required)

The title is too vague. Preprocessing has many avenues
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Data quality improvement as a part of preprocessing: Imputation

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Data quality improvement as a part of preprocessing

I have a python pandas dataframe representing a superset. The data contains a lot of nulls which I want to overwrite with real values.

the superset has:

  • both numerical and categorical data
  • some nulls for most attributes
  • multi class attributes (attributes can have multiple values)
  • It is not time dependent
  • each row is a unique person

It would be neat to use machine learning to fill in the nulls, any recommendations on how I can do this?

(I guess that I can tranform the categorical data to numerical if required)