eXtensible Time Series
Add Legend
Add vertical lines to an existing xts plot
Add a panel to an existing xts plot
Add a polygon to an existing xts plot
Add a time series to an existing xts plot
Align seconds, minutes, and hours to beginning of next period.
Apply Function over Calendar Periods
Coerce an xts Object to an Environment by Column
Convert Objects To and From xts
Compute x-Axis Tickmark Locations by Time
Extract and Set .CLASS Attribute
Extract/Replace Core Data of an xts Object
Lags and Differences of xts Objects
Dimnames of an xts Object
Locate Endpoints by Time
Return First or Last n Elements of A Data Object
Create a POSIXct Object
Get and Replace the Class of an xts Index
Check If A Vector Is Ordered
Force Time Values To Be Unique
Merge xts Objects
Last Observation Carried Forward
Number of Periods in Data
Internal ISO 8601:2004(e) Time Parser
Apply Function Over Specified Interval
Optimized Calculations By Period
Approximate Series Periodicity
Plotting xts Objects
Print An xts Time-Series Object
Concatenate Two or More xts Objects by Row
Convert Objects to xts and Back to Original Class
Sample Data Matrix For xts Example and Unit Testing
Divide into Groups by Time
Extract Subsets of xts Objects
Get or Replace the Class of an xts Object's Index
Get or Replace the Format of an xts Object's Index
Check if Class is Time-Based
Create a Sequence or Range of Times
Convert time series data to an OHLC series
Get or Replace the Timezone of an xts Object's Index
Extract Time Windows from xts Objects
Internal Documentation
xts: extensible time-series
Create or Test For An xts Time-Series Object
xts C API Documentation
Extract and Replace xts Attributes
Provide for uniform handling of R's different time-based data classes by extending zoo, maximizing native format information preservation and allowing for user level customization and extension, while simplifying cross-class interoperability.
Useful links