Data Science Computation Tools Online Exam Quiz
Data Science Computation Tools GK Quiz. Question and Answers related to Data Science Computation Tools. MCQ (Multiple Choice Questions with answers about Data Science Computation Tools
Which of the following is implemented on DataFrame to compute the correlation between like-labeled Series contained in different DataFrame objects?
Options
A : corrwith
B : corwith
C : corwit
D : none of the mentioned
Which of the following specifies the required minimum number of observations for each column pair in order to have a valid result?
Options
A : min_periods
B : max_periods
C : minimum_periods
D : all of the mentioned
Which of the following is used to compute the percent change over a given number of periods?
Options
A : pct_change
B : percent_change
C : per_change
D : none of the mentioned
Which of the following method produces a data ranking with ties being assigned the mean of the ranks for the group?
Options
A : rank
B : dense_rank
C : partition_rank
D : none of the mentioned
Which of the following can potentially change the dtype of a series?
Options
A : reindex_like
B : index_like
C : itime_like
D : none of the mentioned
Which of the following object has a method cov to compute covariance between series?
Options
A : Series
B : DataFrame
C : Panel
D : None of the mentioned
cov and corr supports the optional min_periods keyword.
Options
A : True
B : False
C :
D :
rolling_count function gives the number of non-null observations.
Options
A : True
B : False
C :
D :
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