Year-Based Time Scales

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Documentation for package ‘era’ version 0.4.1

• DESCRIPTION file.
• User guides, package vignettes and other documentation.
• Package NEWS.

Help Pages

era	Create an era object
eras	Standard era definitions
era_direction	Get parameters of an era
era_epoch	Get parameters of an era
era_label	Get parameters of an era
era_name	Get parameters of an era
era_parameters	Get parameters of an era
era_scale	Get parameters of an era
era_unit	Get parameters of an era
era_year	Year units
era_year_days	Get the parameters of an 'era_year' object.
era_year_label	Get the parameters of an 'era_year' object.
era_year_parameters	Get the parameters of an 'era_year' object.
is_era	Validation functions for 'era' objects
is_era_year	Validation functions for 'era_year' objects
is_valid_era	Validation functions for 'era' objects
is_valid_yr	Validation functions for 'yr' objects
is_yr	Validation functions for 'yr' objects
this_year	Current year
validate_era	Validation functions for 'era' objects
validate_yr	Validation functions for 'yr' objects
yr	Create a vector of years with era
yr_era	Get or set the era of a vector of years
yr_era<-	Get or set the era of a vector of years
yr_set_era	Get or set the era of a vector of years
yr_transform	Convert years from one era to another