UAF Functions
This directory contains 50 workflows.
TD_FITMETRICS
The TD_FIT_METRICS function performs several calculations, using as its input: the original series; the series predicted from the model; the original […]
TD_GENSERIES4FORMULA
In building statistical ARMA-style forecasting models, a necessary precondition is that the time series being modeled be stationary: stationary with […]
TD_GENSERIES4SINUSOIDS
In building statistical ARMA-style forecasting models, a necessary precondition is that the time series being modeled be stationary: stationary with […]
TD_GOLDFELD_QUANDT
The hope relative to the development of a univariate or multi-variate regression model is to create a regression model (estimator) that can be characterized […]
TD_HOLT_WINTERS_FORECASTER
The Holt-Winters forecasting approach, aka, 'Triple Exponential Smoothing'; is one of a number of exponential smoothing approaches to forecasting […]
TD_IDFFT
This function simply reverses the effects of the forward transform. It takes as its input either a logical-runtime series containing complex number […]
TD_IDFFT2
This function simply reverses the 2D Fourier Transform. It takes as its input either a logical matrix containing Fourier coefficients in the form of […]
TD_INPUTVALIDATOR
The TD_INPUTVALIDATOR, function is an AF Utility function used to return in-discrete data, which is passed to either SERIES_SPEC or MATRIX_SPEC through […]
TD_LINEAR_REGR
the simple linear regression function, TD_LINEAR_REGR, which takes a FORMULA, and a multivariate series, containing two payload fields, as inputs – the […]
TD_LINESPEC
The Line Spectrum function is one of the tools that the data scientist may employ in identifying periodicities that may be inherent in the dataset