DTSg (version 0.2.0)

values.DTSg: Get Values

Description

Queries the values of a DTSg object.

Usage

# S3 method for DTSg
values(x, reference = FALSE, drop = FALSE,
  class = c("data.table", "data.frame"), ...)

Arguments

x

A DTSg object (S3 method only).

reference

A logical specifying if a copy of the values or a reference to the values is returned. See details for further information.

drop

A logical specifying if the object and all references to it shall be removed from the global environment after successfully querying its values. This feature allows for a ressource efficient destruction of a DTSg object while preserving its values.

class

A character string specifying the class of the returned values. "data.frame" only works if either a copy of the values is returned or the object is dropped.

…

Not used (S3 method only).

Value

Returns a data.table, a reference to a data.table or a data.frame.

Details

A reference to the values of a DTSg object can be used to modify them in place. This includes the .dateTime column, which serves as the object's time index. Modifying this column can therefore endanger the object's integrity. In case needs to do so ever arise, refresh should be called immediately afterwards in order to check the object's integrity.

See Also

DTSg, refresh, data.table, data.frame

Examples

# NOT RUN {
# new DTSg object
x <- DTSg$new(values = flow)

# get values
## R6 method
x$values()

## S3 method
values(x = x)

# }