To get the difference of two data frames i.e. To get the row present in one table which is not in other table we will be using setdiff() function in R ‘s Dplyr package . Dplyr package in R is provided with setdiff() function which gets the difference of two dataframe.
setdiff() function in R:
setdiff function in R takes the rows that appear in one tables but not in other
setdiff Function in R example: First lets create two data frames
#Create two data frames
df1 = data.frame(CustomerId = c(1:6), Product = c(rep("Oven", 3), rep("Television", 3)))
df2 = data.frame(CustomerId = c(4:7), Product = c(rep("Television", 2), rep("Air conditioner", 2)))
df1 will be
1 1 Oven
2 2 Oven
3 3 Oven
4 4 Television
5 5 Television
6 6 Television
df2 will be
CustomerId Product
1 4 Television
2 5 Television
3 6 Air conditioner
4 7 Air conditioner
Setdiff function in R takes the rows that appear in first table but not in second table and creates the dataframe.
library(dplyr) # difference of two dataframes setdiff(df1,df2)
The resultant dataframe will be
