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xts (version 0.9-7)

eXtensible Time Series

Description

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.

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Version

Install

install.packages('xts')

Monthly Downloads

352,204

Version

0.9-7

License

GPL (>= 2)

Maintainer

Jeffrey Ryan

Last Published

January 2nd, 2014

Functions in xts (0.9-7)

period.min

Calculate Min By Period
timeBased

Check if Class is Time-Based
indexTZ

Query the TimeZone of an xts object
.parseISO8601

Internal ISO 8601:2004(e) Time Parser
split.xts

Divide into Groups by Time
[.xts

Extract Subsets of xts Objects
timeBasedSeq

Create a Sequence or Range of Times
apply.monthly

Apply Function over Calendar Periods
xtsAttributes

Extract and Replace xts Attributes
sample_matrix

Sample Data Matrix For xts Example and Unit Testing
dimnames.xts

Dimnames of an xts Object
to.period

Convert time series data to an OHLC series
xts-package

xts: extensible time-series
period.max

Calculate Max By Period
linkXTS-package

What the package does (short line) ~~ package title ~~
indexClass

Extracting/Replacing the Class of an xts Index
make.index.unique

Force Time Values To Be Unique
rbind.xts

Concatenate Two or More xts Objects by Row
na.locf.xts

Last Observation Carried Forward
as.xts

Convert Object To And From Class xts
plot.xts

Plotting xts Objects
checkOrder

~~function to do ... ~~
firstof

Create a POSIXct Object
period.prod

Calculate Product By Period
xtsInternals

Internal Documentation
endpoints

Locate Endpoints by Time
as.environment.xts

Coerce an ‘xts’ Object to an Environment by Column
periodicity

Approximate Series Periodicity
align.time

Align seconds, minutes, and hours to beginning of next period.
period.apply

Apply Function Over Specified Interval
CLASS

Extract and Set .CLASS Attribute
as.xts.methods

Convert Object To And From Class xts
xtsAPI

xts C API Documentation
coredata.xts

Extract/Replace Core Data of an xts Object
merge.xts

Merge xts Objects
isOrdered

Check If A Vector Is Ordered
xts

Create Or Test For An xts Time-Series Object
ndays

Number of Periods in Data
diff.xts

Lags and Differences of xts Objects
first

Return First or Last n Elements of A Data Object
axTicksByTime

Compute x-Axis Tickmark Locations by Time
period.sum

Calculate Sum By Period