Perfekt!
So, the code below does, what I want it does.
for (m in 1:AnzRat) {
Daten_akt <- eval(parse(text=paste("Daten",m,"_akt",sep="")))
...
...
assign(paste("Daten",m,"_akt",sep=""),Daten_akt)
}
Patrick Burns schrieb:
> I think you are looking for 'assign'.
>
> On 25/03/2010 09:40, "Biedermann, Jürgen" wrote:
>
>> Thank you very much for the solutions! :-)
>>
>> It's my fault, but I forgot to mention that at the end of the loop, I
>> would like to give
>>
>> "Data" back to data1, data2, data3, data4
>>
>> The eval formula only seems to work in one direction (it's the same with
>> the get function)
>>
>> for (i in 1:4) {
>> Data[[i]]<- eval(parse(text = paste("data",i,sep="")))
>> ...
>> ...
>>
>> eval(parse(text = paste("data",i,sep="")))<- Data[[i]] # --> I get an
>> error message here
>>
>>
>> }
>>
>> I know that generally it's much better to stick to lists in this kind of
>> kontext,
>> but I don't wanna change the whole structure of the rest of my code.
>>
>> Thanks
>>
>> Greetings
>> Jürgen
>>
>>
>>
>>
>>
>>
>> David Winsemius schrieb:
>>
>>> On Mar 24, 2010, at 9:25 AM, Tal Galili wrote:
>>>
>>>
>>>
>>>> Try:
>>>>
>>>> for (i in 1:4) {
>>>> Data<- eval(parse(text = paste("data",i,sep="")))
>>>> ...
>>>> ..
>>>> }
>>>>
>>>>
>>>> (and if there are other solutions - I would love to know)
>>>>
>>>>
>>> Well, it's not actually a solution since the first three fetched
>>> values would have been overwritten.
>>>
>>> Instead:
>>>
>>> Data<- list()
>>> for (i in 1:4) {
>>> Data[[i]]<- eval(parse(text = paste("data",i,sep=""))) }
>>>
>>>
>>>> ----------------Contact
>>>> Details:-------------------------------------------------------
>>>> Contact me: tal.gal...@gmail.com | 972-52-7275845
>>>> Read me: www.talgalili.com (Hebrew) | www.biostatistics.co.il
>>>> (Hebrew) |
>>>> www.r-statistics.com (English)
>>>> ----------------------------------------------------------------------------------------------
>>>>
>>>>
>>>>
>>>>
>>>> 2010/3/24 "Biedermann, Jürgen"<juergen.biederm...@charite.de>
>>>>
>>>>
>>>>
>>>>> Hi there,
>>>>>
>>>>> I have the following problem
>>>>>
>>>>> Four data frames exist:
>>>>>
>>>>> data1
>>>>> data2
>>>>> data3
>>>>> data4
>>>>>
>>>>> Now I want to write a loop and temporarily store the data1, data2,
>>>>> data3,
>>>>> data4 in a variable called data.
>>>>> I tried the following...
>>>>>
>>>>> for (i in 1:4) {
>>>>> Data<- paste("data",i,sep="")
>>>>> ...
>>>>> ..
>>>>> }
>>>>>
>>>>>
>>>>> but it doesn't function. I think the problem is the definition of
>>>>> the mode
>>>>> of the pasted variable.
>>>>>
>>>>> Could anyone help me?
>>>>> Thanks
>>>>>
>>>>> Greetings
>>>>> Jürgen
>>>>>
>>>>> ______________________________________________
>>>>> R-help@r-project.org mailing list
>>>>> https://stat.ethz.ch/mailman/listinfo/r-help
>>>>> PLEASE do read the posting guide
>>>>> http://www.R-project.org/posting-guide.html
>>>>> and provide commented, minimal, self-contained, reproducible code.
>>>>>
>>>>>
>>>>>
>>>> [[alternative HTML version deleted]]
>>>>
>>>> ______________________________________________
>>>> R-help@r-project.org mailing list
>>>> https://stat.ethz.ch/mailman/listinfo/r-help
>>>> PLEASE do read the posting guide
>>>> http://www.R-project.org/posting-guide.html
>>>> and provide commented, minimal, self-contained, reproducible code.
>>>>
>>>>
>>> David Winsemius, MD
>>> West Hartford, CT
>>>
>>>
>>>
>> [[alternative HTML version deleted]]
>>
>>
>>
>>
>> ______________________________________________
>> R-help@r-project.org mailing list
>> https://stat.ethz.ch/mailman/listinfo/r-help
>> PLEASE do read the posting guide http://www.R-project.org/posting-guide.html
>> and provide commented, minimal, self-contained, reproducible code.
>>
>
>
[[alternative HTML version deleted]]
______________________________________________
R-help@r-project.org mailing list
https://stat.ethz.ch/mailman/listinfo/r-help
PLEASE do read the posting guide http://www.R-project.org/posting-guide.html
and provide commented, minimal, self-contained, reproducible code.
