[Bioc-devel] Numeric Operation on DataFrame

[Michael Lawrence]

Please be more specific about the desired operations, or, better, submt a
pull request with them. colMeans() in particular was intentionally omitted
because it depends on having homogeneous data, which is better suited for a
matrix, not a data frame.

On Mon, Jan 15, 2018 at 10:00 PM, Dario Strbenac <dstr7320 at uni.sydney.edu.au
> wrote:

> Good day,
>
> Would it be useful to provide the same operations which can be done to a
> data.frame for a DataFrame in a future release of S4Vectors? For example,
>
> dataTable <- data.frame(aFeature = 1:5, anotherFeature = 5:1)
> colMeans(dataTable)
> #  aFeature anotherFeature
> #         3              3
> dataTableS4 <- DataFrame(aFeature = 1:5, anotherFeature = 5:1)
> colMeans(dataTableS4)
>     Error in colMeans(dataTableS4) :
>         'x' must be an array of at least two dimensions
>
> --------------------------------------
> Dario Strbenac
> University of Sydney
> Camperdown NSW 2050
> Australia
>
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>

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