[R] save() and load()

[AbouEl-Makarim Aboueissa]

Hi Shu: good morning

Thank you very much for your detailed explanation. Got it now.


With many thanks
Abou


On Mon, Sep 25, 2023, 9:39 PM Shu Fai Cheung <shufai.cheung using gmail.com>
wrote:

> Hi,
>
> You can try this:
>
> head(irisdata)
>
> Objects loaded by load() keep their names when being saved. In your
> case, it is 'irisdata'.
>
> You can also use verbose = TRUE to show the names of objects loaded:
>
> load(file = "irisdataTest.RData", verbose = TRUE)
>
> Hope this helps.
>
> Regards,
> Shu Fai
>
> On Tue, Sep 26, 2023 at 9:24 AM AbouEl-Makarim Aboueissa
> <abouelmakarim1962 using gmail.com> wrote:
> >
> > Dear ALL:
> >
> > I am teaching statistical packages class this semester, in R programing I
> > am trying to explain the use of save() and load() with an example using
> the
> > iris data. It seems that the save() function works, BUT when I tried to
> > load the data back to R, it seems that there is a problem(s), I could not
> > figure out what went wrong.
> >
> > Any help would be highly appreciated.
> >
> >
> > I saved the iris data in my computer in the text format,
> "iris.with.head.txt
> > ".
> >
> > Here are my R codes:
> >
> > > irisdata<-read.table("G:/iris.with.head.txt", header=T)
> > >
> > > head(irisdata)
> >   Sepal.Length Sepal.Width Petal.Length Petal.Width Species
> > 1          5.1         3.5          1.4         0.2  setosa
> > 2          4.9         3.0          1.4         0.2  setosa
> > 3          4.7         3.2          1.3         0.2  setosa
> > 4          4.6         3.1          1.5         0.2  setosa
> > 5          5.0         3.6          1.4         0.2  setosa
> > 6          5.4         3.9          1.7         0.4  setosa
> >
> >
> >
> > *##### saving the data as an .rda*
> >
> > save(irisdata,file="G:/irisdataTest.rda")
> >
> > *##### load the data back to R*
> >
> > load(file="G:/irisdataTest.rda")
> >
> >
> > >head(irisdataTest)
> > Error in head(irisdataTest) : object 'irisdataTest' not found
> >
> > > irisdataTest
> > Error: object 'irisdataTest' not found
> >
> >
> >
> > with many thanks
> > abou
> > ______________________
> >
> >
> > *AbouEl-Makarim Aboueissa, PhD*
> >
> > *Professor, Mathematics and Statistics*
> > *Graduate Coordinator*
> >
> > *Department of Mathematics and Statistics*
> > *University of Southern Maine*
> >
> >         [[alternative HTML version deleted]]
> >
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>

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