In this article, we are going to convert dataframe column into a vector in R Programming Language.
Steps –
- Create vectors
- Create a dataframe by passing these vectors
- Convert dataframe column using“[[]]” operator (indexing). [[]] is used to access the dataframe column.It is used to index the dataframe.
Syntax:
dataframe_name[[‘column_name’]]
- Display vectors
Example 1:
R
# creating a vector for names names= c ( 'siva nagulu' , 'bhavanarayana' , 'sireesha' ,
'priyank chowdary' , 'sridevi' , 'ravi kumar' )
# creating a vector for ages ages= c (40,49,38,42,36,39)
#create a dataframe using these vectors dataframe= data.frame (names,ages)
print (dataframe)
# converting ages dataframe column into vector # by passing as index my_data = dataframe[[ 'names' ]]
print ( "--------convert into vector of names column-------" )
print (my_data)
my_data = dataframe[[ 'ages' ]]
print ( "--------convert into vector of ages column-------" )
print (my_data)
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Output:
Example 2:
R
# creating a vector for city city= c ( 'kakumanu' , 'hyd' , 'noida' )
# create a dataframe using this vector dataframe= data.frame (city)
print (dataframe)
# converting city dataframe column into vector # by passing as index my_data = dataframe[[ 'city' ]]
print ( "--------convert into vector of city column-------" )
print (my_data)
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Output: