Internal Functions
Several internal functions, not exported from the PMwR name space.
.timestamp(x) .timestamp(x) <- value .may_be_Date(x, ...)
.timestamp
extracts or replaces an object's timestamp.
.may_be_Date
checks whether a vector could be
coerced to class Date
, in which case it
evaluates to (a single) TRUE
; otherwise it
returns FALSE
.
Enrico Schumann
E. Schumann (2020) Portfolio Management with R. http://enricoschumann.net/PMwR/
Please choose more modern alternatives, such as Google Chrome or Mozilla Firefox.