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WorksheetsPython pandas 🐼
Total questions: 10
Worksheet time: 8mins
Who is the main author of pandas?
Karl pearson
Wes McKinney
J D Hunter
None of these
Which method applies the function on each individual data element of the dataframe?
Apply ()
Applymap ()
hist()
pivot ()
How to check if a data frame St has any missing values?
df.null(). values.any()
df.isnull(). values.any()
df.empty(). values.any()
df.empty().any()
Which of the following statements is true?
Quantiles are points in a distribution that relate to the rank order of the values in their distribution
pivoting technique rearranges data from rows and columns by possibly aggregating data from multiple sources in a report form so that data can be viewed in different perspectives
Sorting refers to arranging data in a particular order
All of these
What is the use of lambda function?
One typically writes a lambda function on the fly when one wants to write a function for one time use
It is a predefined function of pandas
It is a predefined module of matplotlib
None of these
Histogram belongs to
Quantitative variable
Single variable
Linear variable
All of these
What is the output of the following snippet
(a)
Which method is used to access vertical subset of a dataframe?
iterrows()
iteritems()
mod()
None of these
Given are two objects, a list object namely lst1 and a series object ser1, both are having similar values, i.e. 2,4,6,8. Find out the output produced by following statements:
(I) print (lst1*2)
(II) print (ser1*2)
(a)
Which function allows us to discover and show the underlying frequency distribution of a set of continuous data?
Bar graph
Frequency polygon
Five number summary
None of these
