Extract/Replace Core Data of an xts Object
Mechanism to extract and replace the core data of an
xts object.
## S3 method for class 'xts' coredata(x, fmt=FALSE, ...) xcoredata(x,...) xcoredata(x) <- value
x |
an |
fmt |
should the rownames be formated in a non-standard way |
value |
non-core attributes to assign |
... |
further arguments [unused] |
Extract coredata of an xts object - removing
all attributes except dim and dimnames and
returning a matrix object with rownames converted from
the index of the xts object.
The fmt argument, if TRUE, allows the internal
index formatting specified by the user to be used. Alternatively,
it may be a valid formatting string to be passed to format.
Setting to FALSE will return the row names by simply
coercing the index class to a character string in the default
manner.
xcoredata is the functional complement to
coredata, returning all of the attributes
normally removed by coredata. Its purpose,
along with the replacement function xcoredata<-
is primarily for use by developers using xts
to allow for internal replacement of values
removed during use of non xts-aware functions.
Returns either a matrix object for coredata, or a list of named attributes.
The replacement functions are called for their side-effects.
Jeffrey A. Ryan
data(sample_matrix) x <- as.xts(sample_matrix, myattr=100) coredata(x) xcoredata(x)
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