POSIXct Date-time Constructor Functions RowMeans Form Row Sums and Means aggregate.tis Compute Summary Statistics of Time Series Subsets as.Date.jul Convert ti or jul objects to Dates as.data.frame.tis Coerce to a Data Frame as.list.keepClass Convert a vector into a list of objects with the same class as.list.ti Construct a List from a Time Index or Jul Object as.matrix.tis Create a Matrix from a Time Indexed Series as.ts.tis Convert a Time Indexed Series to a Time Series assignList Assign Values In a List to Names basis Optional tis attributes between Check for Inclusion in a Closed Interval blanks Blanks cbind.tis Combine Series Into a Multivariate (Matrix) Time Indexed Series columns Rows and Columns of a Matrix convert Time scale conversions for time series csv Writes a CSV (comma separated values) file. cumsum.tis Cumulative Sums, Products, and Extremes currentMonday Day of Week Time Indexes currentWeek Current Period Time Indexes dateRange Start and End Time Indices for a Series dayOfPeriod Day positions in Time Index Periods description Description and Documentation Attributes evalOrEcho Evaluate an Argument If Possible fanSeries Constant Growth Series format.ti Convert Time Index or Jul to Character fortify.tis Fortify a tis object growth.rate Growth Rates of Time Series hms Hours, Minutes and Seconds from a Time Index or Jul holidays Holidays hourly R support for Intraday frequencies ilspline Linear Spline Integration inferTi Create a Time Index to Match a Vector of DateTimes interpNA Interpolate missing values in a Time Indexed Series isIntradayTif Check for Intraday Time Index Frequency isLeapYear Check Leap Year jul Julian Date Objects lags Lag a Time Series latestWeek Most Recent Period Time Indexes lines.tis Plotting Time Indexed Series mergeSeries Merge Time Indexed Series naWindow Exclude NA Observations nberShade Plotting NBER Recesssions nberShade.ggplot Plotting NBER Recesssions in the ggplot graphics system plotWindow Set up Coordinates for Graphics Window print.tis Printing Time Indexed Series scatterPlot Produce high-quality scatter plots screenPage Page Setup for Plots setDefaultFrequencies Return Known Time Index Frequencies, Change Default Frequencies solve.tridiag Solve a Tridiagonal System of Equations ssDate ssDate Objects start.tis Starting and ending time indexes stripBlanks Strip Blanks stripClass Remove part of a class attribute t.tis Matrix Transpose ti Time Index Objects tiDaily Daily and Business Day Time Indexes tif Time Index Frequencies and Periods tif2freq Periods Per Year for Time Index Frequencies tis Time Indexed Series tis-package Time Indices and Time Indexed Series tisFilter Linear Filtering on a Time Series tisFromCsv Read time series from Comma Separated Values (.csv) file tisLegend Add a legend to a tisPlot or scatterPlot tisPlot Plot time indexed series (tis objects) today Time Index for the Current Date updateColumns Update lists and time series window.tis Time windows for Time Indexed Series ymd Extract parts of various Date-Time Objects