Fast Tidy Tools for Date and Date-Time Manipulation

Documentation for package ‘timeplyr’ version 0.8.1

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timeplyr: Fast Tidy Tools for Date and Date-Time Manipulation

-- A --

add_group_id	Fast group IDs
add_group_order	Fast group IDs
add_row_id	Fast group IDs
age_months	Accurate and efficient age calculation
age_years	Accurate and efficient age calculation
asc	Helpers to sort variables in ascending or descending order

-- C --

calendar	Create a table of common time units from a date or datetime sequence.
crossed_join	A 'do.call()' and 'data.table::CJ()' method

-- D --

decimal_year_month	Fast methods for creating year-months and year-quarters
decimal_year_quarter	Fast methods for creating year-months and year-quarters
desc	Helpers to sort variables in ascending or descending order
diff_	Fast rolling grouped lags and differences
duplicate_rows	Find duplicate rows

-- E --

edf	Grouped empirical cumulative distribution function applied to data

-- F --

fadd_count	A fast replacement to dplyr::count()
farrange	A 'collapse' version of 'dplyr::arrange()'
fcomplete	Fast versions of 'tidyr::expand()' and 'tidyr::complete()'.
fcount	A fast replacement to dplyr::count()
fdistinct	Find distinct rows
fexpand	Fast versions of 'tidyr::expand()' and 'tidyr::complete()'.
fgroup_by	'collapse' version of 'dplyr::group_by()'
frename	Fast 'dplyr::select()'/'dplyr::rename()'
frowid	Fast grouped row numbers
fselect	Fast 'dplyr::select()'/'dplyr::rename()'
fslice	Faster 'dplyr::slice()'
fslice_head	Faster 'dplyr::slice()'
fslice_max	Faster 'dplyr::slice()'
fslice_min	Faster 'dplyr::slice()'
fslice_sample	Faster 'dplyr::slice()'
fslice_tail	Faster 'dplyr::slice()'

-- G --

get_time_delay	Get summary statistics of time delay
group_collapse	Key group information
group_id	Fast group IDs
group_order	Fast group IDs
growth	Rolling basic growth
growth_rate	Fast Growth Rates

-- I --

interval_count	Time interval utilities
interval_end	Time interval utilities
interval_length	Time interval utilities
interval_range	Time interval utilities
interval_start	Time interval utilities
isoday	Efficient, simple and flexible ISO week calculation
iso_week	Efficient, simple and flexible ISO week calculation
is_date	Utility functions for checking if date or datetime
is_datetime	Utility functions for checking if date or datetime
is_time	Utility functions for checking if date or datetime
is_time_interval	S3-based Time Intervals (Currently very experimental and so subject to change)
is_time_or_num	Utility functions for checking if date or datetime
is_whole_number	Are all numbers whole numbers?

-- M --

missing_dates

Check for missing dates between first and last date

-- N --

n_missing_dates

Check for missing dates between first and last date

-- Q --

q_summarise

Fast grouped quantile summary

-- R --

reset_timeplyr_options	Reset 'timeplyr' options
rolling_growth	Rolling basic growth
roll_diff	Fast rolling grouped lags and differences
roll_diff.default	Fast rolling grouped lags and differences
roll_geometric_mean	Fast by-group rolling functions
roll_growth_rate	Fast by-group rolling functions
roll_harmonic_mean	Fast by-group rolling functions
roll_lag	Fast rolling grouped lags and differences
roll_lag.default	Fast rolling grouped lags and differences
roll_mean	Fast by-group rolling functions
roll_na_fill	Fast grouped "locf" 'NA' fill
roll_sum	Fast by-group rolling functions
row_id	Fast group IDs
row_id.GRP	Fast group IDs

-- S --

stat_summarise

Fast grouped statistical summary for data frames.

-- T --

timeplyr	timeplyr: Fast Tidy Tools for Date and Date-Time Manipulation
time_aggregate	Aggregate time to a higher unit
time_breaks	Cut dates and datetimes into regularly spaced date or datetime intervals
time_by	Group by a time variable at a higher time unit
time_by_span	Group by a time variable at a higher time unit
time_by_units	Group by a time variable at a higher time unit
time_by_var	Group by a time variable at a higher time unit
time_complete	A time based extension to 'tidyr::complete()'.
time_completev	Vector date and datetime functions
time_count	'time_count' is deprecated
time_countv	Vector date and datetime functions
time_cut	Cut dates and datetimes into regularly spaced date or datetime intervals
time_diff	Time differences by any time unit
time_elapsed	Fast grouped time elapsed
time_episodes	Episodic calculation of time-since-event data
time_expand	A time based extension to 'tidyr::complete()'.
time_expandv	Vector date and datetime functions
time_gaps	Gaps in a regular time sequence
time_gcd_diff	Fast greatest common divisor of time differences
time_ggplot	Quick time-series ggplot
time_has_gaps	Gaps in a regular time sequence
time_id	Time ID
time_interval	S3-based Time Intervals (Currently very experimental and so subject to change)
time_is_regular	Is time a regular sequence? (Experimental)
time_lag	Time-lagged values
time_num_gaps	Gaps in a regular time sequence
time_roll_apply	Fast time-based by-group rolling sum/mean - Currently experimental
time_roll_growth_rate	Fast time-based by-group rolling sum/mean - Currently experimental
time_roll_mean	Fast time-based by-group rolling sum/mean - Currently experimental
time_roll_sum	Fast time-based by-group rolling sum/mean - Currently experimental
time_roll_window	Fast time-based by-group rolling sum/mean - Currently experimental
time_roll_window_size	Fast time-based by-group rolling sum/mean - Currently experimental
time_seq	Time based version of 'base::seq()'
time_seq_id	Generate a unique identifier for a regular time sequence with gaps
time_seq_sizes	Time based version of 'base::seq()'
time_seq_v	Time based version of 'base::seq()'
time_seq_v2	Time based version of 'base::seq()'
time_span	Vector date and datetime functions
time_span_size	Vector date and datetime functions
time_summarisev	Vector date and datetime functions
ts_as_tibble	Turn 'ts' into a 'tibble'
ts_as_tibble.default	Turn 'ts' into a 'tibble'
ts_as_tibble.mts	Turn 'ts' into a 'tibble'
ts_as_tibble.timeSeries	Turn 'ts' into a 'tibble'
ts_as_tibble.xts	Turn 'ts' into a 'tibble'
ts_as_tibble.zoo	Turn 'ts' into a 'tibble'

-- U --

unit_guess

Guess time unit and extract basic information.

-- Y --

year_month	Fast methods for creating year-months and year-quarters
year_month_decimal	Fast methods for creating year-months and year-quarters
year_quarter	Fast methods for creating year-months and year-quarters
year_quarter_decimal	Fast methods for creating year-months and year-quarters
YM	Fast methods for creating year-months and year-quarters
YQ	Fast methods for creating year-months and year-quarters

-- misc --

.duration_units	Time units
.extra_time_units	Time units
.period_units	Time units
.roll_na_fill	Fast grouped "locf" 'NA' fill
.stat_fns	Fast grouped statistical summary for data frames.
.time_units	Time units