[R] change col types of a df/tbl_df

[arnaud gaboury]

On Thu, Dec 10, 2015 at 1:47 PM, Giorgio Garziano <
giorgio.garziano at ericsson.com> wrote:

> my_convert <- function(col) {
>   v <- grep("[0-9]{2}.[0-9]{2}.[0-9]{4}", col);
>   w <- grep("[0-9]+,[0-9]+", col)
>   col2 <- col
>   if (length(v) == length(col)){
>     col2 <- as.Date(col, format="%d.%m.%y")
>   } else if (length(w) == length(col)) {
>     col2 <- as.numeric(gsub(",", "", col))
>   }
>   col2
> }
>
> myDf <- as.data.frame(lapply(myDf, my_convert), stringsAsFactors = FALSE)
>
> Sounds good. I will give a try,
Thank you

> --
> GG
>
>
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