Michael,
Now that the constituent parts of RangedData (RangesList and
SplitDataFrameList) have '[<-' methods, it should be straight-forward to
add a '[<-' operator for RangedData. However, since the ranges are
modified by
ranges(x)[i] <- value
I find the
values(x)[i,j] <- value
approach to be a nice complement.
Patrick
Michael Lawrence wrote:
On Fri, Sep 25, 2009 at 1:40 AM, Patrick Aboyoun <[email protected]
<mailto:[email protected]>> wrote:
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.
Is there any reason why
> x[i][[j]] <- value
Would not work? I mean, RangedData just needs to support '[<-'.
Michael
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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