era_parameters | R Documentation |
Extracts a specific parameter from an era object.
era_label(x) era_epoch(x) era_name(x) era_unit(x) era_scale(x) era_direction(x)
x |
An |
The available parameters are:
label – unique, abbreviated label of the era, e.g. "cal BP"
epoch – year of origin of the era, e.g. 1950 for Before Present
name – full name of the era, e.g. "calendar years Before Present"
unit – unit of years used, an era_year()
object
scale – multiple of years used, e.g. 1000 for ka/kiloannum
direction – whether years are counted "backwards" or "forwards" from the epoch #'
Value of the parameter.
Other era helper functions:
era_year_parameters
,
era_year
,
era
,
is_era_year()
,
is_era()
,
is_yr()
,
this_year()
x <- era("cal BP") era_name(x)
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