Description Details Author(s) References Examples
Flow field forecasting draws information from an interpolated flow field of the observed time series to incrementally build a forecast. The time series need not have uniformly spaced observations. Flow field forecasting works best on relatively long time series (i.e. > 1000 observations) where forecasts must be made autonomously.
Package: | Flow Field Forecasting |
Type: | Package |
Version: | 1.0 |
Date: | 2013-11-22 |
License: | GPL-3 |
Time series response values should be loaded into a numeric vector. Since flow field forecasting accepts unequally spaced observations, a second vector of observation times is also required.
Flow field forecasting uses penalized spline regression to make a historical data skeleton in order to summarize the data prior to building the forecast. Forcasts are made at time steps equivalent to the knot spacing in the data skeleton. For forecasts at times between knots we recommend doing a linear interpolation.
Kyle A. Caudle
Maintainer: Kyle A. Caudle <kyle.caudle@sdsmt.edu>
1. Frey, MR and Caudle, KA ”Flow field forecasting for univariate time series,” Statistical Analysis and Data Mining, 2013
2. C. E. Rasmussen and C. K. I. Williams, Gaussian Processes for Machine Learning, Cambridge, MA, MIT Press, 2006
3. D. Ruppert, M. P. Wand and R. J. Carroll, Semiparametric Regression. New York, NY: Cambidge University Press, 2003.
1 2 3 4 5 6 7 8 |
t forecast error
727.5 -0.712730055935565 0.0812264516527921
742.5 -0.722317027023134 0.0812264880312493
757.5 -0.731903998110703 0.0812265470293509
772.5 -0.741490969198272 0.0812266099433412
787.5 -0.751077940285841 0.0812266731327481
802.5 -0.76066491137341 0.0812267354625358
817.5 -0.770251882460979 0.08122679650866
832.5 -0.779838853548548 0.081226856109396
847.5 -0.789425824636117 0.081226914215902
862.5 -0.799012795723686 0.0812269708326339
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