format a Date column in a Data Frame

Question

I\'ve the following data from a data frame

Name,JoiningDate,AmtPaid
Joe,12/31/09,1000
Amy,10/28/09,100
John,05/06/10,200

The Joining Date i

Answer 1

try this package, works wonders, and was made for date/time...

library(lubridate)
Portfolio$Date2 <- mdy(Portfolio.all$Date2)