xts v0.9-7
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by Jeffrey Ryan
eXtensible Time Series
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.
Functions in xts
Name | Description | |
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 | |
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Vignettes of xts
Name | ||
xts-faq.Rnw | ||
xts.Rnw | ||
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Details
Type | Package |
Date | 2013-06-26 |
LazyLoad | yes |
License | GPL (>= 2) |
URL | http://r-forge.r-project.org/projects/xts/ |
Packaged | 2014-01-02 18:00:13 UTC; ripley |
NeedsCompilation | yes |
Repository | CRAN |
Date/Publication | 2014-01-02 19:18:28 |
suggests | chron , fts , its , timeDate , timeSeries , tis , tseries |
depends | zoo (>= 1.7-10) |
Contributors | Jeffrey Ryan, Joshua Ulrich |
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