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How to convert first letter into capital in R data frame column?
To convert first letter into capital in R data frame column, we can follow the below steps −
First of all, create a data frame with string column.
Then, use sub function to convert first letter into capital in string column.
Example
Create the data frame
Let’s create a data frame as shown below −
Names<-
sample(c("rahul","rosy","hidayah","seema","john","sarbat","shaun","sam","teena","ila","kunal"),25,replace=TRUE)
df<-data.frame(Names)
dfOutput
On executing, the above script generates the below output(this output will vary on your system due to randomization) −
Names 1 hidayah 2 sam 3 sam 4 kunal 5 rosy 6 sarbat 7 sam 8 rahul 9 sam 10 shaun 11 ila 12 seema 13 shaun 14 kunal 15 ila 16 sarbat 17 sarbat 18 rosy 19 kunal 20 kunal 21 seema 22 ila 23 rosy 24 seema 25 kunal
Convert first letter into Capital
Using sub function to convert first letter into capital in Names column −
Names<-
sample(c("rahul","rosy","hidayah","seema","john","sarbat","shaun","sam","teena","ila","kunal"),25,replace=TRUE)
df<-data.frame(Names)
df$New_Names<-sub("(.)", "\\U\\1",df$Names,perl=TRUE)
dfOutput
Names New_Names 1 rahul Rahul 2 teena Teena 3 hidayah Hidayah 4 kunal Kunal 5 shaun Shaun 6 sarbat Sarbat 7 teena Teena 8 john John 9 ila Ila 10 ila Ila 11 rahul Rahul 12 ila Ila 13 rahul Rahul 14 sarbat Sarbat 15 seema Seema 16 seema Seema 17 teena Teena 18 shaun Shaun 19 hidayah Hidayah 20 sarbat Sarbat 21 sarbat Sarbat 22 teena Teena 23 seema Seema 24 ila Ila 25 sam Sam
Published on 10-Nov-2021 06:16:52
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