Christian,
Thanks for bringing this issue up. I have been meaning to improve the
subscript replacement functions in IRanges for some time and this gives
me a reason to make some improvements now. I need to put some testing
infrastructure in place to ensure the software is behaving as expected,
but the current solution I am working on for your problem would look like
values(x)[[i]][[j]] <- value # set the jth column in the ith space
As this operation shows, I am working on the values table of the
RangedData object and not the whole object. This will complement the
current method of selecting the jth column in the ith space
values(x)[[i]][[j]] # get the jth column in the ith space
I'll let you know when this enhancement has been check-in.
Patrick
Christian Ruckert wrote:
I am missing a method to update only specific spaces of a RangedData
object.
Let 'x' be a 'RangedData' object.
The two existing methods are:
'x[i]': Subsets 'x' by indexing into its spaces, so the result is
of the same class, with a different set of spaces.
'x[[j]] <- value': Sets value as column 'j' in 'x', where 'j' can
be a character, numeric, or logical scalar that indexes into
the columns. The length of 'value' should equal 'nrow(x)'.
I am looking for a mixture of both, something like:
x[i][[j]] <- value
which actually doesn't work this way.
Any help would be appreciated,
Christian
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