In this article, we are going to merge the dataframe by keeping the original row in the R programming language.
Dataframe in use:
Method 1: Using inner_join()
We can get the ordered merged dataframe by using an inner join. This function is available in dplyr package thus first we need to load the package. inner_join() is used to perform the inner join. It takes two dataframes as input and join the two dataframes based on the common column in both the dataframes.
Syntax:
inner_join(dataframe1,dataframe2)
where
- dataframe1 is the first dataframe
- dataframe2 is the second dataframe
Example: R program to merge two dataframe
R
# load the package library("dplyr")
# create dataframe1 with id,name and marks data1 = data.frame(id=c(1, 2, 3, 4, 5),
name=c("sravan", "bobby", "ojaswi",
"rohith", "gnanesh"),
marks=c(100, 98, 79, 80, 67))
# create dataframe2 with id and address data2 = data.frame(id=c(1, 2, 3, 4, 5),
address=c("ponnur", "guntur", "hyd",
"hyd", "america"))
# merge the dataframes inner_join(data1, data2)
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Output:
Method 2: Using merge() function
merge() function is used to merge the dataframes.
Syntax:
merge(dataframe1,dataframe2)
where
- dataframe1 is the first dataframe
- dataframe2 is the second dataframe
Example: R program to merge the dataframes using merge() function
R
# create dataframe1 with id,name and marks data1 = data.frame(id=c(1, 2, 3, 4, 5),
name=c("sravan", "bobby", "ojaswi",
"rohith", "gnanesh"),
marks=c(100, 98, 79, 80, 67))
# create dataframe2 with id and address data2 = data.frame(id=c(1, 2, 3, 4, 5),
address=c("ponnur", "guntur", "hyd",
"hyd", "america"))
# merge the dataframes using merge function merge(data1, data2)
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Output: