# Data Frames
E_Commerce=data.frame(
  Order_ID=c(1001,1002,1003,1004,1005),
  Customer_Name=c("Aman","Riya","Karan","Neha","Rohit"),
  Category=factor(c("Electronics","Clothing","Electronics","Home","Clothing")),
  PaymentMethod=factor(c("UPI","Card","Card","Cash","UPI")),
  Quantity=c(1,3,2,1,4),
  PricePerUnit=c(2500,1500,20000,5000,1200),
  Discount=c(2000,300,1500,500,NA),
  DeliveryDays=c(3,5,2,4,6)
)
E_Commerce
##   Order_ID Customer_Name    Category PaymentMethod Quantity PricePerUnit
## 1     1001          Aman Electronics           UPI        1         2500
## 2     1002          Riya    Clothing          Card        3         1500
## 3     1003         Karan Electronics          Card        2        20000
## 4     1004          Neha        Home          Cash        1         5000
## 5     1005         Rohit    Clothing           UPI        4         1200
##   Discount DeliveryDays
## 1     2000            3
## 2      300            5
## 3     1500            2
## 4      500            4
## 5       NA            6