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fhx
Number of years of an fhx object
count_year_span(x)
An fhx object.
The difference between the first and last observations in the fhx object. NA will be returned if NA is in x$year.
NA
x$year
first_year() get first year of fhx object.
first_year()
last_year() get last year of fhx object.
last_year()
series_stats() basic statistics for series in an fhx object.
series_stats()