Convert to lower case in R dataframe column

To convert a column in R to lower case we use tolower() function. Let’s see how to convert to lower case in R with an example.

Let’s first create the dataframe.

df1 = data.frame(State = c('Arizona AZ','Georgia GG', 'Newyork NY','Indiana IN','Florida FL'), 
                 Score=c(62,47,55,74,31))
df1

so the dataframe will be

Convert to lower case in R dataframe column 1

tolower() function is used to convert the column to lower case in R from any case.

df1$state_lower = tolower(df1$State)
df1

So the lower case converted column along with dataframe will be,

Convert to lower case in R dataframe column 2

Author

Sridhar Venkatachalam

With close to 10 years on Experience in data science and machine learning Have extensively worked on programming languages like R, Python (Pandas), SAS, Pyspark.

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