Explanation:SparseArray is a 1-dimensional ndarray-like object storing only values distinct from the fill_value. 2. 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
Answer:A
Explanation:SparseArray is a 1-dimensional ndarray-like object storing only values distinct from the fill_value. 2. 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
Explanation:The to_sparse method takes a kind argument and a fill_value. 3. Which of the following is not a indexed object ?