Datascience using python

a=pd.series([1,2,3,4,5],index=[1,3,5,7,8])

a.loc[1:5]

• 1 2

• 2 3 4

• 2 3 4 5

• 1 2 3 4

axis=0 represent what

• column

• row

• diagonal

which join will merge the dataframe with 1 st dataframe fully and the next one with only items which is common

• Right join

• left join

• outer

• inner

which library in python is used for data manipulation

• numpy

• pandas

• matplotlib

which function is used for getting an array in specified range

• random.rand()

• arange()

• random.randint()

• random

what is the primary data structures in pandas used for storing and working with tabular data?

• Series

• Array

• Dataframe

• Dictionary

Which data library is not used for data visualization

• numpy

• matplotlib

• seaborn

Which plot cannot be done using matplotlib?

• histogram

• bar plot

• scatter plot

• pie chart