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zoo (version 1.8-8)

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

Description

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.

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Version

Install

install.packages('zoo')

Monthly Downloads

689,346

Version

1.8-8

License

GPL-2 | GPL-3

Maintainer

Achim Zeileis

Last Published

May 2nd, 2020

Functions in zoo (1.8-8)

Replace NA by Interpolation

Fill NA or specified positions.

Last Observation Carried Forward

Make a List from a Parameter Specification

Fill NA or specified positions.

Trim Leading/Trailing Missing Observations

Plotting zoo Objects

Lags and Differences of zoo Objects

Apply Rolling Functions

Rolling Means/Maximums/Medians/Sums

Replace NA by Aggregation

Reading and Writing zoo Series

An Index Class for Monthly Data

An Index Class for Quarterly Data

Plot zoo Series with Lattice

Regular zoo Series

Merge Two or More zoo Objects

Plot contiguous blocks along x axis.

Extract/Replacing the Time Windows of Objects

Z's Ordered Observations

Extracting/Replacing the Core Data of Objects

Convenience Functions for Plotting zoo Objects with ggplot2

Extracting/Replacing the Index of Objects

Compute Summary Statistics of zoo Objects

Check Regularity of a Series

Replacing the Index of Objects

Coercion from and to zoo

Ordering Permutation