Add vertical lines to an existing xts plot
Add a time series to an existing xts plot
Align seconds, minutes, and hours to beginning of next period.
Coerce an 'xts' Object to an Environment by Column
Compute x-Axis Tickmark Locations by Time
Extract/Replace Core Data of an xts Object
Return First or Last n Elements of A Data Object
Extracting/Replacing the Class of an xts Index
Concatenate Two or More xts Objects by Row
Sample Data Matrix For xts Example and Unit Testing
Convert time series data to an OHLC series
Extract time windows from an 'xts' series
Create Or Test For An xts Time-Series Object