reference.qmd

---
title: "Function reference"
---

All functions and classes exported by ti.

## Functions

| Function | Description |
|----------|-------------|
| [`abc()`](reference/abc.qmd) | ABC classification function |
| [`abc_fn()`](reference/abc_fn.qmd) | Classify a group by proportion of a variable (A,B,C,...) |
| [`atd()`](reference/atd.qmd) | All period-to-date |
| [`atd_fn()`](reference/atd_fn.qmd) | All-to-date execution function |
| [`augment_standard_calendar()`](reference/augment_standard_calendar.qmd) | Add Comprehensive Date-Based Attributes to a DBI  lazy frame or tibble object |
| [`augment_standard_calendar_dbi()`](reference/augment_standard_calendar_dbi.qmd) | Add Comprehensive Date-Based Attributes to a DBI lazy frame |
| [`augment_standard_calendar_tbl()`](reference/augment_standard_calendar_tbl.qmd) | Add Comprehensive Date-Based Attributes to a Data Frame |
| [`calculate()`](reference/calculate.qmd) | Execute time-intelligence or segments class objects to return the underlying tra |
| [`cohort()`](reference/cohort.qmd) | Cohort Analysis |
| [`cohort_fn()`](reference/cohort_fn.qmd) | Internal function for the cohort segment object |
| [`complete_standard_calendar()`](reference/complete_standard_calendar.qmd) | Title |
| [`create_calendar()`](reference/create_calendar.qmd) | Create Calendar Table |
| [`create_full_dbi()`](reference/create_full_dbi.qmd) | Title |
| [`detect_sql_dialect()`](reference/detect_sql_dialect.qmd) | Detect SQL dialect from a DBI connection |
| [`dod()`](reference/dod.qmd) | Current period day over previous period day |
| [`dod_fn()`](reference/dod_fn.qmd) | Day-over-day execution function |
| [`generate_cli_action()`](reference/generate_cli_action.qmd) | Generate CLI actions |
| [`generate_retail_calendar()`](reference/generate_retail_calendar.qmd) | Generate a retail (4-4-5, 4-5-4, or 5-4-4) calendar mapping table |
| [`is_yyyy_mm_dd()`](reference/is_yyyy_mm_dd.qmd) | Validate an input is YYYY-MM-DD format |
| [`make_action_cli()`](reference/make_action_cli.qmd) | Make Action field CLI args |
| [`make_db_tbl()`](reference/make_db_tbl.qmd) | Make an in memory database from a table |
| [`mom()`](reference/mom.qmd) | Current full period month over previous full period month |
| [`mom_fn()`](reference/mom_fn.qmd) | month-over-month execution function |
| [`momtd()`](reference/momtd.qmd) | Current period month to date compared to previous period month-to-date |
| [`momtd_fn()`](reference/momtd_fn.qmd) | Current year to date over previous year-to-date for tibble objects |
| [`mtd()`](reference/mtd.qmd) | Current period month-to-date |
| [`mtd_fn()`](reference/mtd_fn.qmd) | Month-to-date execution function |
| [`mtdopm()`](reference/mtdopm.qmd) | Current month-to-date over full previous period month |
| [`mtdopm_fn()`](reference/mtdopm_fn.qmd) | Month-to-date over full previous month execution function |
| [`pmtd()`](reference/pmtd.qmd) | Previous period month-to-date |
| [`pmtd_fn()`](reference/pmtd_fn.qmd) | Previous month-to-date execution function |
| [`pqtd()`](reference/pqtd.qmd) | Prior period quarter-to-date |
| [`pqtd_fn()`](reference/pqtd_fn.qmd) | Previous quarter-to-date for tibble objects |
| [`print()`](reference/print.qmd) | Print ti objects |
| [`print_actions_steps()`](reference/print_actions_steps.qmd) | Print action steps |
| [`print_calendar_info()`](reference/print_calendar_info.qmd) | Print calendar information block |
| [`print_fn_info()`](reference/print_fn_info.qmd) | Prints function header info |
| [`print_next_steps()`](reference/print_next_steps.qmd) | Prints functions next steps |
| [`pwtd()`](reference/pwtd.qmd) | Previous period week-to-date |
| [`pwtd_fn()`](reference/pwtd_fn.qmd) | Previous week-to-date execution function |
| [`pytd()`](reference/pytd.qmd) | Previous period year-to-date |
| [`pytd_fn()`](reference/pytd_fn.qmd) | Previous year-to-date execution function |
| [`qoq()`](reference/qoq.qmd) | Current full period quarter over previous full period quarter |
| [`qoq_fn()`](reference/qoq_fn.qmd) | Quarter-over-quarter execution function |
| [`qoqtd()`](reference/qoqtd.qmd) | Current period quarter-to-date compared to previous period quarter-to-date |
| [`qoqtd_fn()`](reference/qoqtd_fn.qmd) | Current quarter to date over previous quarter-to-date for tibble objects |
| [`qtd()`](reference/qtd.qmd) | Current period quarter-to-date |
| [`qtd_fn()`](reference/qtd_fn.qmd) | Quarter-to-date execution function |
| [`qtdopq()`](reference/qtdopq.qmd) | Current period quarter-to-date over previous period quarter |
| [`qtdopq_fn()`](reference/qtdopq_fn.qmd) | quarter-to-date over previous quarter execution function |
| [`seq_date_sql()`](reference/seq_date_sql.qmd) | Generate a Cross-Dialect SQL Date Series |
| [`sql_date_add()`](reference/sql_date_add.qmd) | Generate dialect-appropriate date addition SQL |
| [`wow()`](reference/wow.qmd) | Current full period week over full previous period week |
| [`wow_fn()`](reference/wow_fn.qmd) | Week-over-week execution function |
| [`wowtd()`](reference/wowtd.qmd) | Current period Week-to-date over previous period week-to-date |
| [`wowtd_fn()`](reference/wowtd_fn.qmd) | Week-to-date over previous week-to-date execution function |
| [`wtd()`](reference/wtd.qmd) | Current period week-to-date |
| [`wtd_fn()`](reference/wtd_fn.qmd) | Week-to-date execution function |
| [`wtdopw()`](reference/wtdopw.qmd) | Current period week-to-date over full previous period week |
| [`wtdopw_fn()`](reference/wtdopw_fn.qmd) | Week-to-date over full previous week execution function |
| [`yoy()`](reference/yoy.qmd) | Current full period year over previous full period year |
| [`yoy_fn()`](reference/yoy_fn.qmd) | Current year-to-date over previous period year-to-date execution function |
| [`yoytd()`](reference/yoytd.qmd) | Current period year-to-date compared to previous period year-to-date |
| [`yoytd_fn()`](reference/yoytd_fn.qmd) | Current year to date over previous year-to-date execution function |
| [`ytd()`](reference/ytd.qmd) | Current period year-to-date |
| [`ytd_fn()`](reference/ytd_fn.qmd) | Year-to-date execution function |
| [`ytdopy()`](reference/ytdopy.qmd) | Current period year-to-date compared to full previous period |
| [`ytdopy_fn()`](reference/ytdopy_fn.qmd) | Year-to-date over full prior period year |