[R] List into table

[David Winsemius]

On Jun 5, 2013, at 1:49 AM, Andtrei89 wrote:

> Hi everyone,
> 
> I want to open an XML file in R and it also works.
> But then I get a list of all numbers but it isn't in the type of "numeric".
> 
> I tried this:
> 
> exampleData <-
> "C:/Users/Andreas/Desktop/Thesis/Interzeptionsmodell/Daten/Karlsruhe/Windgeschwindigkeit/1948.xml"
> 
> F <- system.file("exampleData", "1948.xml", package = "XML")
> f <- xmlToDataFrame(exampleData, colClasses = NULL, homogeneous = TRUE,
> collectNames = TRUE,
>                    stringsAsFactors = default.stringsAsFactors())
> 
> 
> I got this:
> 

You got that when you did … what?

> 1 4.9 5.0 5.3 4.4 2.9 1.9 1.1 1.5 1.6 1.2 0.7 0.8 2.5 2.3 1.6 0.6 1.3 0.8
> 1.3 1.2 3.9 5.0 6.4 6.3 8.4
>   NA  NA  NA  NA  NA  NA  NA  NA  NA  NA  NA  NA  NA  NA  NA  NA  NA  NA 
> NA  NA  NA  NA  NA  NA  NA
> 1 8.4 8.3 8.3 9.1 8.3 7.7 6.8 5.4 4.8 3.6 3.6 3.5 2.6 3.5 3.0 3.1 2.4 3.4
> 3.3 4.8 6.1 5.1 4.2 4.5 4.5
>   NA  NA  NA  NA  NA  NA  NA  NA  NA  NA  NA  NA  NA  NA  NA  NA  NA  NA 
> NA  NA  NA  NA  NA  NA  NA
> 1 5.4 4.7 4.6 3.8 4.0 1.5 0.0 1.1 0.7 0.0 0.0 1.3 1.5 1.6 0.0 0.7 0.6 0.5
> 1.8 1.5 1.6 1.5 1.9 2.5 2.5
> 
> I only want the numbers out of it as numeric ... if I try as.numeric() I got
> a list looking like that:
> 
Probably not a "list". Probably a vector of indexes into a set of factor levels.

> 1 1 1 1 1 1 1 1 1  1  1 1 1 1 1 1 ..........
> 
> I would be very thankful for your answer

Hard to know for sure, but try reading the FAQ regarding proper conversion of factor varibles to numeric and following its advice.


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-- 

David Winsemius
Alameda, CA, USA