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lubridate (version 1.5.0)

Make Dealing with Dates a Little Easier

Description

Functions to work with date-times and timespans: fast and user friendly parsing of date-time data, extraction and updating of components of a date-time (years, months, days, hours, minutes, and seconds), algebraic manipulation on date-time and timespan objects. The 'lubridate' package has a consistent and memorable syntax that makes working with dates easy and fun.

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Version

Install

install.packages('lubridate')

Monthly Downloads

916,030

Version

1.5.0

License

GPL

Maintainer

Vitalie Spinu

Last Published

December 2nd, 2015

Functions in lubridate (1.5.0)

Create a period with the specified number of hours and minutes

Shift an interval along the timeline

Get/set days component of a date-time.

Change an object to a period.

Get Daylight Savings Time indicator of a date-time.

Changes the components of a date object

Create an interval object.

Converts a date to a decimal of its year.

add_epoch_to_date

Add epochs to dates

Guess formats from the supplied date-time character vector.

reclass_timespan

Convenience method to reclass timespans post-modification.

Change an object to a duration.

Get/set seconds component of a date-time.

Test if two intervals overlap

Get the length of an interval in seconds

Access and change the start date of an interval

Tests whether a date or interval falls within an interval

Convenience method to reclass dates post-modification.

Compute the exact length of a time span.

Create a period with the specified hours, minutes, and seconds

Is x a difftime object?

The current time in your local timezone

Change an object to an interval.

Create a duration object.

Replace time zone to create new date-time

Is x a POSIXct or POSIXlt object?

Convert a variety of date-time classes to POSIXlt and POSIXct

parse_date_time

Parse character and numeric date-time vectors with user friendly order formats.

Create an epoch object

olson_time_zones

Names of available time zones

Parse dates that have hours, minutes, or seconds elements.

quick_durations

Quickly create duration objects.

Lakers 2008-2009 basketball data set

Quickly create period objects.

Format dates and times based on human-friendly templates.

Add and subtract months to a date without exceeding the last day of the new month

Round, flour and ceiling methods for date-time objects.

Is x a length of time?

Is x a date-time object?

Deprecated-lubridate

Deprecated function in lubridate package

period_to_seconds

Contrive a period to/from a given number of seconds.

Test if two intervals share an endpoint

lubridate-package

Dates and times made easy with lubridate

Extract the intervals within a vector of date-times

Parse dates according to the order in that year, month, and day elements appear in the input vector.

Does date time occur in the am or pm?

The current time

Get/set weeks component of a date-time.

Converts a decimal to a date.

fit_to_timeline

Fit a POSIXlt date-time to the timeline

Roll back date to last day of previous month

Create a period with the specified number of minutes and seconds

Get the fiscal quarter of a date-time.

Get/set time zone component of a date-time.

Quickly create common epoch objects

Access and change the end date of an interval

int_standardize

Ensures all intervals in an interval object are positive

Is a year a leap year?

Is x a Date object?

Create a difftime object.

Get date-time in a different time zone

Get/set months component of a date-time.

Flip the direction of an interval

Get/set years component of a date-time.

Create a period object.

Computes attractive axis breaks for date-time data

Get the number of days in the month of a date-time.

Get/set minutes component of a date-time.

Get/set hours component of a date-time.

The current date

Description of time span classes in lubridate.