Informatics Practices
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
Python Pandas
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Answer
outer dictionary's keys
Reason — When a DataFrame is created using a 2D dictionary, then the column labels are formed from keys of outer dictionaries.
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Related Questions
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
If a DataFrame is created using a 2D dictionary, then the indexes/row labels are formed from …………… .
- dictionary's values
- inner dictionary's keys
- outer dictionary's keys
- none of these
Which of the following can be used to specify the data while creating a DataFrame ?
- Series
- List of Dictionaries
- Structured ndarray
- All of these
The axis 0 identifies a DataFrame's …………… .
- rows
- columns
- values
- datatype