Data Analysis with Python MCQ Questions and Answers | Data Science MCQs

A. lxml is very fast

B. lxml requires Cython to install correctly

C. lxml does not make any guarantees about the results of it's parse

D. none of the mentioned

A. yhat

B. Seaborn

C. Vincent

D. None of the mentioned

A. Lag

B. Random

C. Lead

D. None of the mentioned

A. yhat

B. Seaborn

C. Vincent

D. None of the mentioned

A. Quandl

B. PyDatastream

C. PyData

D. None of the mentioned

A. Timedeltas are differences in times, expressed in difference units

B. You can construct a Timedelta scalar through various argument

C. DateOffsets cannot be used in construction

D. All of the mentioned

A. sca_matrix

B. scatter_matrix

C. DataFrame.plot

D. all of the mentioned

A. Pandas represents timestamps in microsecond resolution

B. Pandas is 100% thread safe

C. For Series and DataFrame objects, var normalizes by N-1 to produce unbiased estimates

D. All of the mentioned

A. DataFrame.from_items

B. DataFrame.from_records

C. DataFrame.from_dict

D. All of the mentioned

A. Series is 1D labeled homogeneously-typed array

B. DataFrame is general 2D labeled, size-mutable tabular structure with potentially heterogeneously-typed columns

C. Panel is generally 2D labeled, also size-mutable array

D. None of the mentioned