Re: [R] write.dta limits

From: David Whiting <david.whiting_at_ncl.ac.uk>
Date: Tue 07 Jun 2005 - 16:56:06 EST

Thomas Lumley <tlumley@u.washington.edu> writes:

> On Mon, 6 Jun 2005, Jean Eid wrote:
>
>> Hope everyone id doing great ..
>>
>> Just need some clarification over the limit of write.dta. I have some
>> coauthors that use stata and I need to send them my data in .dta format.
>> the data.frame is 41706x229 and I get the following
>>
>> Error in write.dta(Panel, file = "STATADATA/Panel.dta", version = 7) :
>> a binary write error occured
>>
>>
>> Once I subset the data everything works out fine. my question is what are
>> the limits of write.dta. I tried to find out but no luck..
>
>
> There aren't supposed to be any built-in limits. The error message
> that you report means that the low-level operating system calls to
> write data gave an error, so if a limit was hit it was in the
> operating system (?disk full)
>
> -thomas

When I have encountered this error message in the past seems to have resulted from a blank/empty level in a factor or an empty character. For example:

> library(foreign)
> x <- data.frame(x=c("A", "B", "C"), y=c(1,2,3))
> write.dta(x, file="temp.dta")
> levels(x$x)[2]
[1] "B"
> levels(x$x)[2] <- ""
> write.dta(x, file="temp.dta")

Error in write.dta(x, file = "temp.dta") :

        a binary write error occurred

My work-around at the time was to go through the data replacing "" with something else that I could then deal with later.

-- 
David Whiting
University of Newcastle upon Tyne, UK

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Received on Tue Jun 07 16:04:42 2005

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