On Wed, Mar 7, 2012 at 10:36 AM, Michael Karol <mka...@syntapharma.com> wrote:
> All:
>
> It now appears to be working; however, I have a new problem. The format of
> the output is not what I need. Currently it produces an output as three
> columns; "Group.1", "Group.2", and "x"
> whereas I need a data frame with columns of Day, Hour, mean, sd, median, min,
> max.
> Interestingly, the output appears on the console looking like the data frame
> I need with 7 columns, but internally it only has 3.
> I'm using R version 2.14.0 (2011-10-31)
>
The third column is a 5 column matrix. You can flatten this using one
of these if the nested structure is not wanted:
# data.frame
do.call("data.frame", MeansByDayTime)
# matrix
do.call("cbind", MeansByDayTime)
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