VKL IP Quiz DATAFRAMES

A _______________ is a two-dimensional labeled data structure.

• DataFrame

• Series

• List

• None of the above

Which library is to be imported for creating DataFrame?

• Python

• DataFrame

• Pandas

• Random

The following codes create a dataframe named 'D1' with _______________ columns.

• 1

• 2

• 3

• 4

Which of the following is used to give user defined column index in DataFrame?

• index

• column

• columns

• colindex

The following codes create a dataframe named 'D1' with ___________ columns.

• 1

• 2

• 3

• 4

In given code dataframe 'D1' has ________ rows and _______ columns.

• 3, 3

• 3, 4

• 3, 5

• 4,3

D1[ : ] = 77 , will set __________ values of a Data Frame 'D1' to 77.

• Only First Row

• Only First Column

• All

• None of the above

In the following statement, if column 'Rollno' already exists in the DataFrame 'D1' then the assignment statement will _____________

• Return error

• Replace the already existing values.

• Add new column

• None

The following statement will _________

• delete three columns having labels 'Name', 'Class' and 'Rollno'

• delete three rows having labels 'Name', 'Class' and 'Rollno'

• delete any three columns

• return error

Which of the following are ways of indexing to access Data elements in a DataFrame?

• Label based indexing

• Boolean Indexing

• All of the above

• None of the above