Informatics Practices
When we create a DataFrame from a list of Dictionaries the columns labels are formed by the :
- Union of the keys of the dictionaries
- Intersection of the keys of the dictionaries
- Union of the values of the dictionaries
- Intersection of the values of the dictionaries
Python Pandas
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Answer
Union of the keys of the dictionaries
Reason — When we create a DataFrame from a list of dictionaries, the column labels are formed by the union of the keys of the dictionaries.
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If a DataFrame is created using a 2D dictionary, then the indexes/row labels are formed from …………… .
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If a dataframe is created using a 2D dictionary, then the column labels are formed from …………… .
- dictionary's values
- inner dictionary's keys
- outer dictionary's keys
- none of these