NumpyPandas

The _________ is used in Pandas to access a group of rows or columns by integers.

• • dataframe.loc

• • dataframe.iloc

• • dataframe.int

• • dataframe.pos

The _________ is used to return the first n rows of the Pandas DataFrame.

• • dataframe.top()

• • dataframe.first()

• • dataframe.header()

• • dataframe.head()

Concatenate Pandas DataFrame using the _______ method

• • concatenate()

• • concat()

• • concatenation()

Read CSV in Python Pandas using the _____ method.

• • csv()

• • readcsv()

• • read_csv()

• • read_csv_file()

To drop a row in Pandas, the axis parameter of the drop() function is set to

• 0

• 1

The _____ method in Pandas is used to drop and remove rows with null values.

• • dropnull()

• • drop()

• • drop_null()

• dropna()

To uppercase text data, use the ______ method in Pandas.

• • uppercase()

• • upper_case()

• upper()

How to access the element at second row and third column of a two dimensional numpy?

• arr[1,2]

• arr[0,1]

• arr[2,3]

What is the output of the following code?

import numpy as np
a = np.arange(10)
print(a[2:5])

• [2, 3, 4]

• [0, 1, 2]

• [5, 6, 7]

• [2, 4, 6]

Which method is used to group data in Pandas based on a specific column?

• • aggregate()

• • group()

• • groupby()