Convert String of anyformat into dd-mm-yy hh:mm:ss in R

Question

I am reading a date value from csv file.So the format will vary according to the date format of csv. How can I convert any date string to dd-mm-yyy HH:mm:ss ?

ED

Answer 1

Try "lubridate" package. Here A_1.csv has both formats.

Data <-read.csv("Al_1.csv") # import data
str(Data)
a = NULL # create a null object
library(lubridate)
a$Date <- mdy_hm(Data$Date) # store dd/mm/yyyy HH:mm:ss objects here
a$Price <- Data$Price # get respective values(it could by any other column)
b = NULL
b$Date <- mdy(Data$Date)
b$Price <- Data$Price

a <- as.data.frame(a)
b <- as.data.frame(b)


a <- a[is.na(a$Date)==FALSE,] # those with NA had diffrent formats remove it
b <- b[is.na(b$Date)==FALSE,]

b$Date <- as.POSIXlt(b$Date)# change your other format also to UTC


x <- rbind(a,b)
str(x)
x <- ts(x)