hasName() Function in R
Last Updated :
02 Jun, 2022
In this article, we are going to discuss hasName() function in R Programming Language.
hasName() Function
hasName() is used to check whether the dataframe object has a certain name or not.
Syntax: hasName(dataframe,”name”)
where,
dataframe is the input dataframe and name is the variable present as variable(column_name) in the given dataframe. It will return TRUE, if the name exists otherwise it will return FALSE.
Example 1:
In this example, we are creating a dataframe with 4 rows and 3 columns. Here column names are col1, col2 and col3.
R
data= data.frame (col1= c (12,2,3,4),
col2= c (34,32,1,0),
col3= c (2,45,3,2))
print (data)
print ( hasName (data, "col1" ))
print ( hasName (data, "col2" ))
print ( hasName (data, "col3" ))
|
Output:
col1 col2 col3
1 12 34 2
2 2 32 45
3 3 1 3
4 4 0 2
[1] TRUE
[1] TRUE
[1] TRUE
Example 2:
In this example, we are creating a dataframe with 4 rows and 3 columns. Here column names are col1, col2 and col3.
R
data = data.frame (col1= c (12,2,3,4),
col2= c (34,32,1,0),
col3= c (2,45,3,2))
print (data)
print ( hasName (data, "col4" ))
print ( hasName (data, "col6" ))
|
Output:
col1 col2 col3
1 12 34 2
2 2 32 45
3 3 1 3
4 4 0 2
[1] FALSE
[1] FALSE
Share your thoughts in the comments
Please Login to comment...