zoo v0.9-1

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by Achim Zeileis

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 with ts and base R by providing methods to extend standard generics.

Functions in zoo

Name Description
coredata Extracting/Replacing the Core Data of Objects
as.zoo Coercion from and to zoo
merge.zoo Merge Two or More zoo Objects
ORDER Ordering Permutation
zoo Z's Ordered Observations
plot.zoo Plotting zoo Objects
na.locf Last Observation Carried Forward
aggregate.zoo Compute Summary Statistics of zoo Objects
model.frame.zoo Model Frame for zoo Series
index Extracting/Replacing the Index of Objects
as.Date.numeric Date Conversion Functions from Numeric, Integer and ts Objects
lag.zoo Lags and Differences of zoo Objects
MATCH Value Matching
na.approx Replace NA by Interpolation
window.zoo Extract/Replacing the Time Windows of Objects
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Details

Date 2004-12-17
License GPL
Packaged Mon Dec 20 13:12:22 2004; zeileis

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