[R] Locating data source error in large file

[Rich Shepard]

On Fri, 20 Jul 2018, David Winsemius wrote:

> I don't think you read Bill's message properly.

David,

   Obviously not.

> He was not saying that there were NA's; he was telling you to use a format
> specification in your as.POSIXct call and the the result of that call
> would have NA's.
>
> wy2016$dt_time <- with( wy2016, as.POSIXct( paste( date, time ) , format= "%Y-%m-%d %H:%M") )

   Thank you. This found 24 TRUEs; now to find them in the file.

Thanks,

Rich