Year-Based Time Scales


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Documentation for package ‘era’ version 0.5.0

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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_earliest Chronological minima and maxima
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_extremes Chronological minima and maxima
yr_latest Chronological minima and maxima
yr_range Chronological minima and maxima
yr_set_era Get or set the era of a vector of years
yr_sort Chronological ordering of year vectors
yr_transform Convert years from one era to another