Stack objects
It also introduces mstack(), a variant of stack
where the list is taken as the list of arguments in ....
## S4 method for signature 'List'
stack(x, index.var="name", value.var="value", name.var=NULL)
## S4 method for signature 'matrix'
stack(x, row.var=names(dimnames(x))[1L],
col.var=names(dimnames(x))[2L],
value.var="value")
mstack(..., .index.var="name")x |
A List derivative (for the |
index.var, .index.var |
A single string specifying the column name for the index (source name) column. |
value.var |
A single string specifying the column name for the values. |
name.var |
TODO |
row.var, col.var |
TODO |
... |
The objects to stack. Each of them should be a Vector
or |
As with stack on a list, stack on a
List derivative constructs a DataFrame with two columns:
one for the unlisted values, the other indicating the name of the
element from which each value was obtained. index.var
specifies the column name for the index (source name) column and
value.var specifies the column name for the values.
[TODO: Document stack() method for matrix objects.]
library(IRanges) starts <- IntegerList(c(1, 5), c(2, 8)) ends <- IntegerList(c(3, 8), c(5, 9)) rgl <- IRangesList(start=starts, end=ends) rangeDataFrame <- stack(rgl, "space", "ranges")
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