Hi,
assign is your friend here:
apply(data,1,function(x)assign(x[1],x[2],envir = .GlobalEnv))
As a note, you probably don't want to use data as a variable because it
overwrites the data function, leading to unwanted side-effects if you ever use
it.
Cheers,
François Pepin
Scientist
Sequenta, Inc.
400 E. Jamie Court, Suite 301
South San Francisco, CA 94080
650 243 3929 p
francois.pe...@sequentainc.com
www.sequentainc.com
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On Nov 3, 2011, at 23:24 , Aher wrote:
> Hi List,
>
> I want to read several parameters from data frame and load them as object
> into R session, Is there any package or function in R for this??
>
> Here is example
>
> param <-c("clust_num", "minsamp_size", "maxsamp_size", "min_pct", "max_pct")
> value <-c(15, 20000, 200000, 0.001, .999)
> data <- data.frame ( cbind(param , value))
> data
> param value
> 1 clust_num 15
> 2 minsamp_size 20000
> 3 maxsamp_size 2e+05
> 4 min_pct 0.001
> 5 max_pct 0.999
>
> My data contains many such parameters, I need to read each parameter and its
> value from the data and load it as objects in R session as below:
>
> clust_num <- 15
> minsamp_size <-20000
> maxsamp_size <-2e+05
> min_pct <-0.001
> max_pct <-0.999
>
> The way right now I am doing it is as creating as many variables as
> parameters in the data frame and one observation for value of each
> parameter.
> example:
> clust_num minsamp_size maxsamp_size min_pct max_pct
> 15 20000 200000 0.001 0.999
>
> data$ clust_num , data$minsamp_size, .....
>
> Is there any better way for doing this?
>
>
> --
> View this message in context:
> http://r.789695.n4.nabble.com/Reading-parameters-from-dataframe-and-loading-as-objects-tp3989150p3989150.html
> Sent from the R help mailing list archive at Nabble.com.
>
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