User:Josiah425:TISEAN Package:Table of functions: Difference between revisions

! Program Name !! Program Description !! Corresponding Octave Function !! Lanuguage of Origin !! How to port !! Status

| arima-model || Fit and possibly iterate an ARIMA model || generalizes TSA arma functions || This is a c-file that can be wrapped in C++/mfile/octfile code ||  ||

|ar-model || Fit and possibly iterate an Autoregessive model || 'aar' in TSA || C; see also: aarmam, adim, amarma, mvaar from TSA ||  ||

|ar-run || Iterate an Autoregessive model || Same as above || FORTRAN ||  ||

|av-d2 || Simply smooth output of d2 || Can be implemented with filter in core || C ||  ||

|boxcount || Renyi Entopies of Qth order || None in GNU Octave (maybe in info-theory but it is not worth the pain) || C ||  ||

|c1 || Fixed mass estimation of D1 || None in GNU Octave || FORTRAN ||  ||

|c2d || Get local slopes from correlation integral || None in GNU Octave || FORTRAN ||  ||

|c2g || Gaussian kernel of C2 || None in GNU Octave || FORTRAN ||  ||

|c2t || Takens estimator of D2 || None in GNU Octave || FORTRAN ||  ||

|choose || Choose rows and/or columns from a data file || Does not need to be ported || ------  

|compare || Compares two data sets || Does not need to be ported || FORTRAN ||  ||

|corr, autocorr || Autocorrelation function || xcorr in signal || corr -C, autocorr (faster according to documentation) - FORTRAN ||  ||

|d2 || Correlation dimension d2 || None in GNU Octave  || c ||  ||

|delay || Creates delay embedding || None in GNU Octave (easy to implement in Octave but not worth the effort) || C ||  ||

|endtoend || Determine end-to-end mismatch || None in GNU Octave || FORTRAN ||  ||

|events || Interval/event conversion || None in GNU Octave || FORTRAN to be implemented as mfile ||  ||

|extrema || Determine the extrema of a time series || findpeaks in signal (but maybe is just easier to port) || C ||  ||

|false_nearest || The false nearest neighbor algorithm || None in GNU Octave || C ||  ||

|ghkss || Nonlinear noise reduction || None in GNU Octave || C ||  ||

|henon || Create a Hénon time series || None in GNU Octave || To m-file; already ported ||  ||

|histogram || Creates histograms || hist in core  || C ||  ||

|ikeda || Create an Ikeda time series || None in GNU Octave || FORTRAN to be reimplemented as mfile ||  ||

|intervals || Event/intervcal conversion || Might exist under different name || FORTRAN to be reimplemented as mfile ||  ||

|lazy || Simple nonlinear noise reduction || None in GNU Octave || FORTRAN ||  ||

|lfo-ar || Locally first order model vs. global AR model (old ll-ar) || None in GNU Octave || C ||  ||

|lfo-run || Iterate a locally first order model (old nstep) || None in GNU Octave || C ||  ||

|lfo-test || Test a locally first order model (old onestep) || None in GNU Octave || C ||  ||

|lorenz || Create a Lorenz time series || None in GNU Octave || FORTRAN ||  ||

|low121 || Time domain low pass filter || There are lowpass filters in Octave: buttap, cheb1ap, cheb2ap, ellipap, sftrans, but I don't think they perform this task || C, might be ok to implement as mfile ||  ||

|lyap_k || Maximal Lyapunov exponent with the Kantz algorithm || None in GNU Octave || C ||  ||

|lyap_r || Maximal Lyapunov exponent with the Rosenstein algorithm || None in GNU Octave || C ||  ||

|lyap_spec || Full spectrum of Lyapunov exponents || None in GNU Octave || C ||  ||

|lzo-gm || Locally zeroth order model vs. global mean || None in GNU Octave || C ||  ||

|lzo-run || Iterate a locally zeroth order model || None in GNU Octave || C ||  ||

|lzo-test || Test a locally zeroth order model (old zeroth) || None in GNU Octave || C ||  ||

|makenoise || Produce noise || Rand exists || Should be implemented as mfile using Octave rand functions ||  ||

|mem_spec || Power spectrum using the maximum entropy principle || None in GNU Octave || C ||  ||

|mutual || Estimate the mutual information || None in GNU Octave || C ||  ||

|notch || Notch filter || pei_tseng_notch, needs to be verified || FORTRAN ||  ||

|nstat_z || Nonstationarity testing via cross-prediction || None in GNU Octave || C ||  ||

|pca, pc || Principle component analysis || 'pcacov' if likely the equivalent || pca - C, pc - FORTRAN ||  ||

|poincare || Create Poincaré sections || None in GNU Octave || C ||  ||

|polyback || Fit a polynomial model (backward elimination) || polyfit, detrend, wpolyfit || I do not know if they work the same way, but it does seem so, written in C ||  ||

|polynom || Fit a polynomial model || same as above || same as above ||  ||

|polynomp || Fit a polynomial model (reads terms to fit from file) || same as above  || same as above ||  ||

|polypar || Creates parameter file for polynomp || same as above || same as above ||  ||

|predict || Forecast discriminating statistics for surrogates || None in GNU Octave || FORTRAN ||  ||

|randomize || General constraint randomization (surrogates) || There are random function, but I don't think this one exists || FORTRAN ||  ||

|randomize_spikeauto_exp_random || Surrogate data preserving event time autocorrelations || Same as above  || Same as above ||  ||

|randomize_spikespec_exp_event || Surrogate data preserving event time power spectrum || Same as above || Same as above ||  ||

|rbf || Radial basis functions fit || None in GNU Octave || C ||  ||

|recurr || Creates a recurrence plot || None in GNU Octave || C ||  ||

|resample || Resamples data || There is 'resample' in Octave, but I believe it does something else || C ||  ||

|rescale || Rescale data set || This should be in Octave, cannot find... || C ||  ||

|rms || Rescale data set and get mean, variance and data interval || This should be in Octave, cannot find...  || FORTRNAN ||  ||

|sav_gol || Savitzky-Golay filter || sgolayfilt in signal || C ||  ||

|spectrum || Power spectrum using FFT || bispec from tsa? || FORTRAN ||  ||

|spikeauto || Autocorrelation function of event times || similar to above || FORTRAN ||  ||

|spikespec || Power spectrum of event times || ar_psd, cpsd is the closest but I do not think they are the same || FORTRAN ||  ||

|stp || Creates a space-time separation plot || None in GNU Octave || FORTRAN ||  ||

|surrogates || Creates surrogate data || None in GNU Octave || FORTRAN ||  ||

|timerev || Time reversal discrimating statistics for surrogates || None in GNU Octave || FORTRAN, to be implemented as mfile ||  ||

|upo || Finds unstable periodic orbits and estimates their stability || No corresponding function in Octave || FORTRAN ||  ||

|upoembed || Takes the output of upo and create data files out of it || Same as above || Same as above ||  ||

|wiener1, wiener2 || Wiener filter || Wiener process exists, might be similar || FORTRAN ||  ||

|xc2 || Cross-correlation integral || xcorr2 || Needs to be verified that works the same way ||  ||

|xcor || Cross-correlations || xcorr || Needs to be verified that works same way ||  ||

|xrecur || Cross-recurrence Plot || xcorr, or xcorr2 or another function might cover this || C ||  ||

|xzero || Locally zeroth order cross-prediction || None in GNU Octave || C ||  ||