Page 198 - Robotics and AI class 10
P. 198
1 20
2 30
0 1 2
0 10 20 30
1 11 22 33
• With column index
import numpy as np
import pandas as pd
a1 = np.array([10,20,30])
a2 = np.array([11,22,33])
f2=pd.DataFrame([a1,a2],columns=['R1','R2','R3'])
print(f2)
R1 R2 R3
0 10 20 30
1 11 22 33
• Creating a DataFrame using a Python List
import pandas as pd
cities = ['Delhi', 'Mumbai', 'Chennai', 'Kolkata']
f1 = pd.DataFrame(cities)
print(f1)
0
0 Delhi
1 Mumbai
2 Chennai
3 Kolkata
• Creating a DataFrame using a Python dictionary
import pandas as pd
d1={'Name':['Riya','Sonali', Sneha],'Marks':[92,90,89]}
f2=pd,DataFrame(d1,index=[11,22,33])
print(f2)
Name Marks
11 Riya 92
22 Sonali 90
33 Sneha 89
Basic Operations in a DataFrame
• Adding a new row
f2.loc[44]=['Nitin',84]
print(f2)
196 Touchpad Robotics & Artificial Intelligence-X

