zoo v1.8-0


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by Achim Zeileis

S3 Infrastructure for Regular and Irregular Time Series (Z's Ordered Observations)

An S3 class with methods for totally ordered indexed observations. It is particularly aimed at irregular time series of numeric vectors/matrices and factors. zoo's key design goals are independence of a particular index/date/time class and consistency with ts and base R by providing methods to extend standard generics.

Functions in zoo

Name Description
ggplot2.zoo Convenience Functions for Plotting zoo Objects with ggplot2
index Extracting/Replacing the Index of Objects
is.regular Check Regularity of a Series
lag.zoo Lags and Differences of zoo Objects
MATCH Value Matching
ORDER Ordering Permutation
make.par.list Make a List from a Parameter Specification
merge.zoo Merge Two or More zoo Objects
na.approx Replace NA by Interpolation
na.fill Fill NA or specified positions.
aggregate.zoo Compute Summary Statistics of zoo Objects
as.zoo Coercion from and to zoo
plot.zoo Plotting zoo Objects
read.zoo Reading and Writing zoo Series
rollapply Apply Rolling Functions
rollmean Rolling Means/Maximums/Medians/Sums
na.StructTS Fill NA or specified positions.
na.aggregate Replace NA by Aggregation
xyplot.zoo Plot zoo Series with Lattice
yearmon An Index Class for Monthly Data
coredata Extracting/Replacing the Core Data of Objects
frequency<- Replacing the Index of Objects
na.locf Last Observation Carried Forward
na.trim Trim Leading/Trailing Missing Observations
yearqtr An Index Class for Quarterly Data
window.zoo Extract/Replacing the Time Windows of Objects
zoo Z's Ordered Observations
zooreg Regular zoo Series
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Date 2017-04-13
License GPL-2 | GPL-3
URL http://zoo.R-Forge.R-project.org/
NeedsCompilation yes
Packaged 2017-04-12 22:23:52 UTC; zeileis
Repository CRAN
Date/Publication 2017-04-12 23:15:13 UTC

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