[R] Saving tab/csv delimited data with NaN's

[Viswanathan Shankar]

Thank you a ton - this simplifies my work considerably.- Shankar

Rolf Turner wrote:
> On 24/03/2010, at 9:50 AM, shankar at bios.unc.edu wrote:
>
>   
>> Hello,
>> I am working multiple simulated data sets with missing values, I would  
>> like to store these data sets in either tab delimited format for .csv  
>> format with missing values marked as NaN's instead of NA's.
>>
>> I read the import/export document which mentions that write.table  
>> command converts NaN's to NA. Is there any other way I can store the  
>> NaN's. I tried the write syntax it gives me error codes.
>> Each data files are of dimensions 1000 x 21 .
>>
>> I would appreciate any help in this regard.
>>     
>
> A feasible workaround is to convert your data to character before writing them.
>
> Suppose that your data are in a data frame called ``clyde''.  Set
>
> mung <- as.data.frame(lapply(clyde,as.character))
> write.csv(mung,"mung.csv",row.names=FALSE,quote=FALSE)
>
> # Check:
> gorp <- read.csv("mung.csv")
> all.equal(gorp,clyde)
> [1] TRUE
>
> HTH
>
> 	cheers,
>
> 		Rolf Turner
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