Que.Which of the following thing can be data in Pandas?
|
| a. a python dict |
| b. an ndarray |
| c. a scalar value |
| d. all of the mentioned |
Que.Point out the correct statement.
|
| a. If data is a list, if index is passed the values in data corresponding to the labels in the index will be pulled out |
| b. NaN is the standard missing data marker used in pandas |
| c. Series acts very similarly to a array |
| d. None of the mentioned |
NaN is the standard missing data marker used in pandas
Que.The result of an operation between unaligned Series will have the ________ of the indexes involved.
|
| a. intersection |
| b. union |
| c. total |
| d. all of the mentioned |
Que.Which of the following input can be accepted by DataFrame?
|
| a. Structured ndarray |
| b. Series |
| c. DataFrame |
| d. All of the mentioned |
Que.Point out the wrong statement.
|
| a. A DataFrame is like a fixed-size dict in that you can get and set values by index label |
| b. Series can be be passed into most NumPy methods expecting an ndarray |
| c. A key difference between Series and ndarray is that operations between Series automatically align the data based on label |
| d. None of the mentioned |
A DataFrame is like a fixed-size dict in that you can get and set values by index label
Que.Which of the following takes a dict of dicts or a dict of array-like sequences and returns a DataFrame?
|
| a. DataFrame.from_items |
| b. DataFrame.from_records |
| c. DataFrame.from_dict |
| d. All of the mentioned |
Que.Series is a one-dimensional labeled array capable of holding any data type.
|
| a. True |
| b. False |
| c. May be True or False |
| d. Can’t say |
Que.Which of the following works analogously to the form of the dict constructor?
|
| a. DataFrame.from_items |
| b. DataFrame.from_records |
| c. DataFrame.from_dict |
| d. All of the mentioned |
Que.Which of the following operation works with the same syntax as the analogous dict operations?
|
| a. Getting columns |
| b. Setting columns |
| c. Deleting columns |
| d. All of the mentioned |
Que.If data is an ndarray, index must be the same length as data.
|
| a. True |
| b. False |
| c. May be True or False |
| d. Can’t say |