Point-in-time universe and valuation policies

These constructors opt an experiment into point-in-time availability semantics without adding an execution-mode flag. A membership rule selects one declared membership universe. A stale-valuation policy supplies the explicit session horizon required by every availability-aware experiment.

Usage

ledgr_universe_members(universe_id)

ledgr_valuation_stale(max_sessions)

# S3 method for class 'ledgr_universe_rule'
print(x, ...)

# S3 method for class 'ledgr_valuation_policy'
print(x, ...)

Arguments

universe_id

Non-empty membership-universe identifier.

max_sessions

Non-negative whole number of venue sessions for which a prior accepted close remains a permissible valuation mark.

x

A universe rule or valuation policy.

...

Unused.

Value

A classed universe rule or valuation policy.

Articles

Point-in-time universe workflow: vignette("survivorship-bias", package = "ledgr") system.file("doc", "survivorship-bias.html", package = "ledgr")