> I realized that not everyone has Matlab and that basically the
issue
> is purely how to deal with the returned data in R, so I have
revised
> my example code and made it easier to copy-paste and run:
> #Make a data frame in R
>
> Maker <- factor(c("HP", "HP", "Sony", "DELL", "whitebox",
"whitebox"))
> CPUspeed <- c(2,4,2.5,2.5,2,5)
> HDD <- c(80, 250, 100, 100, 80, 300)
> RAM <- c(2, 2, 1, 2, 2, 4)
> labpc <- data.frame(Maker, CPUspeed, HDD, RAM)
> labpc
>
> #Save in Matlab v6 format with 'writeMat'
>
> library(R.matlab)
> writeMat("labpc.mat", labpcexport = labpc)
>
> #Load the file in R with 'readMat'
>
> labpcfile <- readMat("labpc.mat")
> labpcimport <- labpcfile$labpcexport
> labpcimport
>
> # This is the last line output
> #, , 1
> #
> # [,1]
> #Maker List,6
> #CPUspeed Numeric,6
> #HDD Numeric,6
> #RAM Numeric,6
>
> Now, how do I convert the result held in labpcimport back to a
data frame?
This works, but I don't know how well it will generalise to other imported
matrices.
as.data.frame(lapply(drop(labpcimport), unlist))
Regards,
Richie.
Mathematical Sciences Unit
HSL
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