Explanation:to_array. append can accept scalar values or any 1-dimensional sequence. 6. 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
Answer:A
Explanation:to_array. append can accept scalar values or any 1-dimensional sequence. 6. 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
Explanation:Experimental api to transform between sparse pandas and scipy.sparse structures. 7. The integer format tracks only the locations and sizes of blocks of data.