gs gs120 Data Analysis with Python - Pandas Data Structure - Quiz No.1
gs gs120 Data Structure Quiz
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Question 1: Which of the following thing can be data in Pandas?
a python dict
an ndarray
a scalar value
all of the mentioned
Question 2: Point out the correct statement.
If data is a list, if index is passed the values in data corresponding to the labels in the index will be pulled out
NaN is the standard missing data marker used in pandas
Series acts very similarly to a array
None of the mentioned
Question 3: The result of an operation between unaligned Series will have the ________ of the indexes involved.
intersection
union
total
all of the mentioned
Question 4: Which of the following input can be accepted by DataFrame?
Structured ndarray
Series
DataFrame
All of the mentioned
Question 5: Point out the wrong statement.
A DataFrame is like a fixed-size dict in that you can get and set values by index label
Series can be be passed into most NumPy methods expecting an ndarray
A key difference between Series and ndarray is that operations between Series automatically align the data based on label
None of the mentioned
Question 6: Which of the following takes a dict of dicts or a dict of array-like sequences and returns a DataFrame?
DataFrame.from_items
DataFrame.from_records
DataFrame.from_dict
All of the mentioned
Question 8: Which of the following works analogously to the form of the dict constructor?
DataFrame.from_items
DataFrame.from_records
DataFrame.from_dict
All of the mentioned
Question 9: Which of the following operation works with the same syntax as the analogous dict operations?
Getting columns
Setting columns
Deleting columns
All of the mentioned
