[R] save() and load()

Shu Fai Cheung @hu|@|@cheung @end|ng |rom gm@||@com
Tue Sep 26 03:38:46 CEST 2023


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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