| cdf | Get Auxiliary Matrix |
| celec | Consumption of electricity in Spain |
| descomponer | Time series decomposition |
| estimardf | Prediction whit Regression in domain frequency |
| FFF | Regression in Fourier Flexible Form |
| gdescomponer | Plotting the trend and seasonal |
| gdf | Get Frequency Data |
| gdt | Get Time Data |
| gperiodograma | Plotting method for specturm |
| gtd | Plotting method for specturm |
| ipi | Indice de Produccion Industrial de Cantabria |
| MW | Get Frequency Data |
| periodograma | Periodogram |
| PIB | GDP Volume Index in Spain |
| predictFFF | Prediction whit Regression in FFF |
| predictrdf | Prediction whit Regression in domain frequency |
| rdf | Regression in domain frequency |
| td | Cumulative periodogram test |