Que.Which of the following is the base layer for all of the sparse indexed data structures?
|
| a. SArray |
| b. SparseArray |
| c. PyArray |
| d. None of the mentioned |
Que.Point out the correct statement.
|
| a. All of the standard pandas data structures have a to_sparse method |
| b. Any sparse object can be converted back to the standard dense form by calling to_dense |
| c. The sparse objects exist for memory efficiency reasons |
| d. All of the mentioned |
Que.Which of the following is not an indexed object?
|
| a. SparseSeries |
| b. SparseDataFrame |
| c. SparsePanel |
| d. None of the mentioned |
Que.Which of the following list-like data structure is used for managing a dynamic collection of SparseArrays?
|
| a. SparseList |
| b. GeoList |
| c. SparseSeries |
| d. All of the mentioned |
Que.Point out the wrong statement.
|
| a. to_array. append can accept scalar values or any 2-dimensional sequence |
| b. Two kinds of SparseIndex are implemented |
| c. The integer format keeps an arrays of all of the locations where the data are not equal to the fill value |
| d. None of the mentioned |
to_array. append can accept scalar values or any 2-dimensional sequence
Que.Which of the following method is used for transforming a SparseSeries indexed by a MultiIndex to a scipy.sparse.coo_matrix?
|
| a. SparseSeries.to_coo() |
| b. Series.to_coo() |
| c. SparseSeries.to_cooser() |
| d. None of the mentioned |
Que.The integer format tracks only the locations and sizes of blocks of data.
|
| a. True |
| b. False |
| c. May be True or False |
| d. Can’t say |
Que.Which of the following is used for testing for membership in the list of column names?
|
| a. in |
| b. out |
| c. elseif |
| d. none of the mentioned |
Que.Which of the following indexing capabilities is used as a concise means of selecting data from a pandas object?
|
| a. In |
| b. ix |
| c. ipy |
| d. none of the mentioned |
Que.Pandas follow the NumPy convention of raising an error when you try to convert something to a bool.
|
| a. True |
| b. False |
| c. May be True or False |
| d. Can’t say |