[R] Save/Load function()-result to file in a loop

[Duncan Murdoch]

On 08/03/2012 8:42 AM, R. Michael Weylandt wrote:
> Load doesn't return the object you saved, but rather a character
> vector with the name of that object, here "x". So you would do
> something like
>
> load("/path/to/file_A")
> x # Here's your data
>
> or more robustly
>
> get(load("/path/to/file_A"))
>
> See ?load (value) for details.

I think that's a bad idea:  it still wipes out any existing x in the 
workspace.   Use saveRDS() and readRDS() instead.  For example,

# Save the object, not its name
i <- "A"
saveRDS(x, file ="/path/to/file_A")

# Load it into a new name
A <- loadRDS("/path/to/file_A")

Duncan Murdoch

> Michael
>
> On Thu, Mar 8, 2012 at 7:57 AM, Johannes Radinger<JRadinger at gmx.at>  wrote:
> >  Hi,
> >
> >  I am looking for a way to save the result of a function, e.g the lm()-function to a file and reload it afterwards again. I'd like to do that in order to minimize the used memory when running the function in a loop. The actual function I want to store is the evaluate() from the dismo package.
> >  I tried it with save() and load() but I am not sure if that is the way I should do it as I don't get the result I desire...
> >
> >  ls<- list("A","B","C")
> >  for(i in ls){
> >          x<- lm(c(1,2,3)~c(2,5,6))
> >          save(x, file = paste("/path/to/file_",i,sep=""))
> >  }
> >
> >  A<- load("/path/to/file_A")
> >
> >  /Johannes
> >  --
> >
> >  Jetzt informieren: http://mobile.1und1.de/?ac=OM.PW.PW003K20328T7073a
> >
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