# pastecs v1.3.21

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## Package for Analysis of Space-Time Ecological Series

Regularisation, decomposition and analysis of space-time series. The pastecs R package is a PNEC-Art4 and IFREMER (Benoit Beliaeff <Benoit.Beliaeff@ifremer.fr>) initiative to bring PASSTEC 2000 functionalities to R.

## Functions in pastecs

 Name Description AutoD2 AutoD2, CrossD2 or CenterD2 analysis of a multiple time-series deccensus Time decomposition using the CENSUS II method disjoin Complete disjoined coded data (binary coding) marbio Several zooplankton taxa measured across a transect decloess Time series decomposition by the LOESS method decmedian Time series decomposition using a running median marphy Physico-chemical records at the same stations as for marbio reglin Regulation of a series using a linear interpolation extract Extract a subset of the original dataset regconst Regulate a series using the constant value method first Get the first element of a vector daystoyears Convert time units from "days" to "years" or back stat.desc Descriptive statistics on a data frame or time series buysbal Buys-Ballot table regspline Regulation of a time series using splines stat.pen Pennington statistics on a data frame or time series vario Compute and plot a semi-variogram match.tol Determine matching observation with a tolerance in time-scale regul Regulation of one or several time series using various methods pennington Calculate Pennington statistics stat.slide Sliding statistics trend.test Test if an increasing or decreasing trend exists in a time series tseries Convert a 'regul' or a 'tsd' object into a time series tsd Decomposition of one or several regular time series using various methods decdiff Time series decomposition using differences (trend elimination) decevf Time series decomposition using eigenvector filtering (EVF) .gleissberg.table Table of probabilities according to the Gleissberg distribution is.tseries Is this object a time series? pgleissberg Gleissberg distribution probability regarea Regulate a series using the area method regul.adj Adjust regulation parameters regul.screen Test various regulation parameters abund Sort variables by abundance bnr A data frame of 163 benthic species measured across a transect disto Compute and plot a distogram escouf Choose variables using the Escoufier's equivalent vectors method last Get the last element of a vector local.trend Calculate local trends using cumsum releve A data frame of six phytoplankton taxa followed in time at one station specs Collect parameters ("specifications") from one object to use them in another analysis turnogram Calculate and plot a turnogram for a regular time series turnpoints Analyze turning points (peaks or pits) GetUnitText Format a nice time units for labels in graphs decaverage Time series decomposition using a moving average decreg Time series decomposition using a regression model No Results!