2022-rstudio-conf-its-about-time

Transcript

1. It’s about
   
   
   time
   Davis Vaughan
   
   
   July 2022
   

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2. View Slide

3. clock
   
   
   is not replacing
   
   
   lubridate
   

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4. 🔗 clock.r-lib.org
   Safety
   

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5. 🔗 clock.r-lib.org
   Calendars
   Safety
   

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6. 🔗 clock.r-lib.org
   2022-01-30
   Calendars
   Safety
   

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7. View Slide

8. 🔗 clock.r-lib.org
   Jan
   27 28 29 30 31
   Feb Mar
   1 2
   Feb
   27 28 1 2
   

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9. 🔗 clock.r-lib.org
   Jan
   27 28 29 30 31
   Feb Mar
   1 2
   Feb
   Add 1 month?
   ?
   27 28 1 2
   

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10. 🔗 clock.r-lib.org
    "2022-01-30" + months(1) = NA
    Jan
    27 28 29 30 31
    Feb Mar
    1 2
    Feb
    Add 1 month?
    ?
    27 28 1 2
    

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11. 🔗 clock.r-lib.org
    add_months("2022-01-30", 1)
    
    
    #> ! Invalid date found at location 1.
    
    
    #> ℹ Resolve invalid date issues by
    
    
    #> specifying the `invalid` argument.
    Jan
    27 28 29 30 31
    Feb Mar
    1 2
    Feb
    Add 1 month?
    ?
    27 28 1 2
    

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12. 🔗 clock.r-lib.org
    add_months("2022-01-30", 1, invalid = "previous") =
    
    
    "2022-02-28"
    Jan
    27 28 29 30 31
    Feb Mar
    1 2
    Feb
    Add 1 month?
    27 28 1 2
    

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13. 🔗 clock.r-lib.org
    add_months("2022-01-30", 1, invalid = "next") =
    
    
    "2022-03-01"
    Jan
    27 28 29 30 31
    Feb Mar
    1 2
    Feb
    Add 1 month?
    27 28 1 2
    

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14. 🔗 clock.r-lib.org
    add_months("2022-01-30", 1, invalid = "NA") =
    
    
    NA
    Jan
    27 28 29 30 31
    Feb Mar
    1 2
    Feb
    Add 1 month?
    27 28 1 2
    

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15. 🔗 clock.r-lib.org
    "2022-01-30"
    
    
    year_month_day
    

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16. 🔗 clock.r-lib.org
    "2022-030"
    
    
    year_day
    "2022-01-30"
    
    
    year_month_day
    

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17. 🔗 clock.r-lib.org
    "2022-030"
    
    
    year_day
    "2022-01-Sun[5]"
    
    
    year_month_weekday
    "2022-Q1-30"
    
    
    year_quarter_day
    "2022-W04-7"
    
    
    iso_year_week_day
    "2022-01-30"
    
    
    year_month_day
    

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18. 🔗 clock.r-lib.org
    "2022-030"
    
    
    year_day
    "2022-01-Sun[5]"
    
    
    year_month_weekday
    "2022-Q1-30"
    
    
    year_quarter_day
    "2022-W04-7"
    
    
    iso_year_week_day
    "2022-01-30"
    
    
    year_month_day
    

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19. 🔗 clock.r-lib.org
    "2022-030"
    
    
    year_day
    "2022-01-Sun[5]"
    
    
    year_month_weekday
    "2022-Q1-30"
    
    
    year_quarter_day
    "2022-W04-7"
    
    
    iso_year_week_day
    "2022-01-30"
    
    
    year_month_day
    Date
    POSIXct
    

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20. 🔗 clock.r-lib.org
    "2022-030"
    
    
    year_day
    "2022-01-Sun[5]"
    
    
    year_month_weekday
    "2022-Q1-30"
    
    
    year_quarter_day
    "2022-W04-7"
    
    
    iso_year_week_day
    "2022-01-30"
    
    
    year_month_day
    Date
    POSIXct
    "2022-01"
    
    
    year_month_day
    "2022-01-30"
    
    
    year_month_day
    

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21. 🔗 clock.r-lib.org
    Compatibility
    slider
    ivs
    Rolling average, looking back 3 quarters
    Intervals, i.e. [2022-01, 2022-07)
    

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22. lubridate is NOT going anywhere
    
    
    But try clock for:
    
    
    - Enhanced safety
    
    
    - Powerful types
    clock.r-lib.org
    

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