This gives the result you asked for:
DF <- as.data.frame(testlist)
lapply(split(DF, 1:nrow(DF)), unclass)
although it might be good enough to just do this depending on what you need:
DF <- as.data.frame(testlist)
split(DF, 1:nrow(DF)
On Fri, Jan 15, 2010 at 8:09 AM, Michael Friendly <frien...@yorku.ca> wrote:
> I have a list of vectors, all forced to be the same length:
>
> testlist <- list(
> shape=c(0, 0, 2),
> cell.fill=c("red","blue","green"),
> back.fill=rep("white",3),
> scale.max=rep(100,3)
> )
>> str(testlist)
> List of 4
> $ shape : num [1:3] 0 0 2
> $ cell.fill: chr [1:3] "red" "blue" "green"
> $ back.fill: chr [1:3] "white" "white" "white"
> $ scale.max: num [1:3] 100 100 100
>>
>
> I need to 'transpose' them into a list of lists with named values like so:
>
> wanted <- list(
> list(shape=0, cell.fill="red", back.fill="white", scale.max=100),
> list(shape=0, cell.fill="blue", back.fill="white", scale.max=100),
> list(shape=2, cell.fill="green", back.fill="white", scale.max=100)
> )
>> str(wanted)
> List of 3
> $ :List of 4
> ..$ shape : num 0
> ..$ cell.fill: chr "red"
> ..$ back.fill: chr "white"
> ..$ scale.max: num 3
> $ :List of 4
> ..$ shape : num 0
> ..$ cell.fill: chr "blue"
> ..$ back.fill: chr "white"
> ..$ scale.max: num 3
> $ :List of 4
> ..$ shape : num 2
> ..$ cell.fill: chr "green"
> ..$ back.fill: chr "white"
> ..$ scale.max: num 3
>>
>
> How can I do this in general?
>
> --
> Michael Friendly Email: friendly AT yorku DOT ca Professor, Psychology
> Dept.
> York University Voice: 416 736-5115 x66249 Fax: 416 736-5814
> 4700 Keele Street http://www.math.yorku.ca/SCS/friendly.html
> Toronto, ONT M3J 1P3 CANADA
>
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> and provide commented, minimal, self-contained, reproducible code.
>
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