[R] How to get a list work in RData file

[Xiyan Lon]

Dear Prof. Brian,
Why I need to know, because I lost my work and code which I used in my 
project. Lucky I always save my work which RData file. But I forgot 
which list, function, initial, etc I used.

Xiyan Lon

Prof Brian Ripley wrote:

> On Mon, 15 Aug 2005, Xiyan Lon wrote:
>
>> Dear R-Helper,
>
> (There are quite a few of us.)
>
>> I want to know how I get a list  work which I saved in RData file. For
>> example,
>
>
> I don't understand that at all, but it looks as if you want to save an 
> unevaluated call, in which case see ?quote and use something like
>
> xyadd <- quote(test.xy(x=2, y=3))
>
> load and saving has nothing to do with this: it doesn't change the 
> meaning of objects in the workspace.
>
>> > test.xy <- function(x,y) {
>> +    xy <- x+y
>> +    xy
>> + }
>> >
>> > xyadd <- test.xy(x=2, y=3)
>> > xyadd
>> [1] 5
>> > x1 <- c(2,43,60,8)
>> > y1 <- c(91,7,5,30)
>> >
>> > xyadd1 <- test.xy(x=x1, y=y1)
>> > xyadd1
>> [1] 93 50 65 38
>> > save(list = ls(all=TRUE), file = "testxy.RData")
>> > rm(list=ls(all=TRUE))
>> > load("C:/R/useR/testxy.RData")
>> > ls()
>> [1] "test.xy" "x1"      "xyadd"   "xyadd1"  "y1"
>> >
>> > ls.str(pat="xyadd")
>> xyadd :  num 5
>> xyadd1 :  num [1:4] 93 50 65 38
>> >
>>
>> When I run, I know the result like above
>> > xyadd
>> [1] 5
>> > xyadd1
>> [1] 93 50 65 38
>> >
>> what I want to know, is there any function to make the result like:
>>
>> > xyadd
>>
>>         test.xy(x=2, y=3)
>>
>> and
>>
>> > xyadd1
>>
>>        test.xy(x=x1, y=y1)
>
>