pivot()
melt()
apply()
sort_values()
Answer is Right!
Answer is Wrong!
The correct answer is C. apply().
The apply() method is used to apply a custom function to each element of a DataFrame or Series. The function can be any Python function that takes a single argument, which is the value of the element. The function can return any value, which will be assigned to the element.
The apply() method can be used to perform a variety of operations on a DataFrame or Series, such as:
- Converting the data to a different format
- Calculating new values
- Performing statistical operations
The apply() method is a powerful tool that can be used to perform a variety of operations on a DataFrame or Series.
The other options are incorrect because:
- The pivot() method is used to pivot a DataFrame, which is a process of converting a DataFrame from a rectangular shape to a square shape.
- The melt() method is used to melt a DataFrame, which is a process of converting a DataFrame from a wide shape to a long shape.
- The sort_values() method is used to sort a DataFrame by one or more columns.