[R] saveRDS() and readRDS() Why?
Patrick Connolly
p_connolly @ending from @ling@hot@co@nz
Wed Nov 7 09:28:13 CET 2018
They're both about 3kb.
On 7/11/18 9:13 PM, Eric Berger wrote:
> What do you see at the OS level?
> i.e. on windows
> DIR rawData.rds
> on linux
> ls -l rawData.rds
> compare the file sizes on both.
>
>
> On Wed, Nov 7, 2018 at 9:56 AM Patrick Connolly
> <p_connolly using slingshot.co.nz <mailto:p_connolly using slingshot.co.nz>> wrote:
>
> From a Windows R session, I do
>
> > object.size(rawData)
> 31736 bytes # from scraping a non-reproducible web address.
> > saveRDS(rawData, file = "rawData.rds")
>
> Then copy to a Linux session
>
> > rawData <- readRDS(file = "rawData.rds")
> > rawData
> [1] "rawData"
> > object.size(rawData)
> 112 bytes
> > rawData
> [1] "rawData" # only the name and something to make up 112 bytes
> >
>
> Have I misunderstood the syntax?
>
> It's an old version on Windows. I haven't used Windows R since then.
>
> major 3
> minor 2.4
> year 2016
> month 03
> day 16
>
>
> I've tried R-3.5.0 and R-3.5.1 Linux versions.
>
> In case it's material ...
>
> I couldn't get the scraping to work on either of the R installations
> but Windows users told me it worked for them. So I thought I'd get
> the R object and use it. I could understand accessing the web address
> could have different permissions for different OSes, but should that
> affect the R objects?
>
> TIA
>
> --
> ~.~.~.~.~.~.~.~.~.~.~.~.~.~.~.~.~.~.~.~.~.~.~.~.~.~.~.~.~.~.~.~.~.~.~.~.
>
> ___ Patrick Connolly
> {~._.~} Great minds discuss ideas
> _( Y )_ Average minds discuss events
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>
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