[R] Limit
Rui Barradas
ru|pb@rr@d@@ @end|ng |rom @@po@pt
Sat Nov 9 07:16:58 CET 2024
Às 00:58 de 09/11/2024, Val escreveu:
> Hi All,
>
> I am reading data file ( > 1B rows) and do some date formatting like
> dat=fread(mydatafile)
> dat$date1 <- as.Date(ymd(dat$date1))
>
> However, I am getting an error message saying that
> Error: cons memory exhausted (limit reached?)
>
> The script was working when the number rows were around 650M.
>
> Is there another way to handle a big data set in R?
>
>
> Thank you.
>
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Hello,
fread works but as.Date(ymd(.)) does not?
You probably don't need both date coercion functions, get rid of one of
them and try again.
dat$date1 <- ymd(dat$date1)
or
dat$date1 <- as.Date(dat$date1)
Hope this helps,
Rui Barradas
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