# eXtensible Time Series

## Documentation for package ‘xts’ version 0.14.2

- DESCRIPTION file.
- User guides, package vignettes and other documentation.
- Package NEWS.

## Help Pages

A C D E F I L M N P R S T U W X misc

xts-package | xts: extensible time-series

## -- A --

addEventLines | Add vertical lines to an existing xts plot
addLegend | Add Legend
addPanel | Add a panel to an existing xts plot
addPolygon | Add a polygon to an existing xts plot
addSeries | Add a time series to an existing xts plot
adj.time | Align seconds, minutes, and hours to beginning of next period.
align.time | Align seconds, minutes, and hours to beginning of next period.
align.time.xts | Align seconds, minutes, and hours to beginning of next period.
apply.daily | Apply Function over Calendar Periods
apply.monthly | Apply Function over Calendar Periods
apply.quarterly | Apply Function over Calendar Periods
apply.weekly | Apply Function over Calendar Periods
apply.yearly | Apply Function over Calendar Periods
as.environment.xts | Coerce an xts Object to an Environment by Column
as.xts | Convert Objects To and From xts
as.xts.data.frame | Convert Objects To and From xts
as.xts.Date | Convert Objects To and From xts
as.xts.irts | Convert Objects To and From xts
as.xts.matrix | Convert Objects To and From xts
as.xts.POSIXt | Convert Objects To and From xts
as.xts.timeDate | Convert Objects To and From xts
as.xts.timeSeries | Convert Objects To and From xts
as.xts.ts | Convert Objects To and From xts
as.xts.yearmon | Convert Objects To and From xts
as.xts.yearqtr | Convert Objects To and From xts
as.xts.zoo | Convert Objects To and From xts
axTicksByTime | Compute x-Axis Tickmark Locations by Time

## -- C --

c.xts | Concatenate Two or More xts Objects by Row
cbind.xts | Merge xts Objects
CLASS | Extract and Set .CLASS Attribute
CLASS<- | Extract and Set .CLASS Attribute
convertIndex | Get and Replace the Class of an xts Index
coredata.xts | Extract/Replace Core Data of an xts Object

## -- D --

diff.xts | Lags and Differences of xts Objects
dimnames.xts | Dimnames of an xts Object
dimnames<-.xts | Dimnames of an xts Object

## -- E --

endpoints | Locate Endpoints by Time

## -- F --

first | Return First or Last n Elements of A Data Object
first.default | Return First or Last n Elements of A Data Object
first.xts | Return First or Last n Elements of A Data Object
firstof | Create a POSIXct Object

## -- I --

index.xts | Get and Replace the Class of an xts Index
index<-.xts | Get and Replace the Class of an xts Index
indexClass | Get or Replace the Class of an xts Object's Index
indexClass<- | Get or Replace the Class of an xts Object's Index
indexFormat | Get or Replace the Format of an xts Object's Index
indexFormat<- | Get or Replace the Format of an xts Object's Index
indexTZ | Get or Replace the Timezone of an xts Object's Index
indexTZ<- | Get or Replace the Timezone of an xts Object's Index
is.index.unique | Force Time Values To Be Unique
is.time.unique | Force Time Values To Be Unique
is.timeBased | Check if Class is Time-Based
is.xts | Create or Test For An xts Time-Series Object
ISO8601 | Internal ISO 8601:2004(e) Time Parser
isOrdered | Check If A Vector Is Ordered

## -- L --

lag.xts | Lags and Differences of xts Objects
last | Return First or Last n Elements of A Data Object
last.default | Return First or Last n Elements of A Data Object
last.xts | Return First or Last n Elements of A Data Object
lastof | Create a POSIXct Object
lines.xts | Plotting xts Objects

## -- M --

make.index.unique | Force Time Values To Be Unique
make.time.unique | Force Time Values To Be Unique
merge.xts | Merge xts Objects

## -- N --

na.locf.xts | Last Observation Carried Forward
ndays | Number of Periods in Data
nhours | Number of Periods in Data
nminutes | Number of Periods in Data
nmonths | Number of Periods in Data
nquarters | Number of Periods in Data
nseconds | Number of Periods in Data
nweeks | Number of Periods in Data
nyears | Number of Periods in Data

## -- P --

parseISO8601 | Internal ISO 8601:2004(e) Time Parser
period.apply | Apply Function Over Specified Interval
period.max | Optimized Calculations By Period
period.min | Optimized Calculations By Period
period.prod | Optimized Calculations By Period
period.sum | Optimized Calculations By Period
periodicity | Approximate Series Periodicity
plot.xts | Plotting xts Objects
points.xts | Plotting xts Objects
print.xts | Print An xts Time-Series Object

## -- R --

rbind.xts | Concatenate Two or More xts Objects by Row
Reclass | Convert Objects to xts and Back to Original Class
reclass | Convert Objects to xts and Back to Original Class

## -- S --

sample_matrix | Sample Data Matrix For xts Example and Unit Testing
shift.time | Align seconds, minutes, and hours to beginning of next period.
split.xts | Divide into Groups by Time
subset.xts | Extract Subsets of xts Objects

## -- T --

tclass | Get or Replace the Class of an xts Object's Index
tclass.default | Get or Replace the Class of an xts Object's Index
tclass.xts | Get or Replace the Class of an xts Object's Index
tclass<- | Get or Replace the Class of an xts Object's Index
tclass<-.default | Get or Replace the Class of an xts Object's Index
tclass<-.xts | Get or Replace the Class of an xts Object's Index
tformat | Get or Replace the Format of an xts Object's Index
tformat<- | Get or Replace the Format of an xts Object's Index
time.xts | Get and Replace the Class of an xts Index
time<-.xts | Get and Replace the Class of an xts Index
timeBased | Check if Class is Time-Based
timeBasedRange | Create a Sequence or Range of Times
timeBasedSeq | Create a Sequence or Range of Times
to.daily | Convert time series data to an OHLC series
to.hourly | Convert time series data to an OHLC series
to.minutes | Convert time series data to an OHLC series
to.minutes10 | Convert time series data to an OHLC series
to.minutes15 | Convert time series data to an OHLC series
to.minutes3 | Convert time series data to an OHLC series
to.minutes30 | Convert time series data to an OHLC series
to.minutes5 | Convert time series data to an OHLC series
to.monthly | Convert time series data to an OHLC series
to.period | Convert time series data to an OHLC series
to.quarterly | Convert time series data to an OHLC series
to.weekly | Convert time series data to an OHLC series
to.yearly | Convert time series data to an OHLC series
to_period | Convert time series data to an OHLC series
try.xts | Convert Objects to xts and Back to Original Class
tzone | Get or Replace the Timezone of an xts Object's Index
tzone<- | Get or Replace the Timezone of an xts Object's Index

## -- U --

use.reclass | Convert Objects to xts and Back to Original Class
use.xts | Convert Objects to xts and Back to Original Class

## -- W --

window.xts | Extract Time Windows from xts Objects

## -- X --

xcoredata | Extract/Replace Core Data of an xts Object
xcoredata<- | Extract/Replace Core Data of an xts Object
xts | Create or Test For An xts Time-Series Object
xts-internals | Internal Documentation
xtsAPI | xts C API Documentation
xtsAttributes | Extract and Replace xts Attributes
xtsAttributes<- | Extract and Replace xts Attributes
xtsible | Convert Objects To and From xts

## -- misc --

.index | Get and Replace the Class of an xts Index
.index<- | Get and Replace the Class of an xts Index
.indexbday | Get and Replace the Class of an xts Index
.indexDate | Get and Replace the Class of an xts Index
.indexday | Get and Replace the Class of an xts Index
.indexhour | Get and Replace the Class of an xts Index
.indexisdst | Get and Replace the Class of an xts Index
.indexmday | Get and Replace the Class of an xts Index
.indexmin | Get and Replace the Class of an xts Index
.indexmon | Get and Replace the Class of an xts Index
.indexsec | Get and Replace the Class of an xts Index
.indexwday | Get and Replace the Class of an xts Index
.indexweek | Get and Replace the Class of an xts Index
.indexyday | Get and Replace the Class of an xts Index
.indexyear | Get and Replace the Class of an xts Index
.indexyweek | Get and Replace the Class of an xts Index
.parseISO8601 | Internal ISO 8601:2004(e) Time Parser
.subset.xts | Extract Subsets of xts Objects
.subset_xts | Extract Subsets of xts Objects
.xts | Create or Test For An xts Time-Series Object
[.xts | Extract Subsets of xts Objects