Apply Taner bandpass or lowpass filter to stratigraphic series.

1 2 |

`dat` |
Stratigraphic series for bandpass filtering. First column should be location (e.g., depth), second column should be data value. |

`padfac` |
Pad with zeros to (padfac*npts) points, where npts is the original number of data points. |

`flow` |
Low frequency cut-off for Taner filter (half power point). If this value is not set (NULL), it will default to -1*fhigh, which will create a lowpass filter. |

`fhigh` |
High frequency cut-off for Taner filter (half power point). |

`roll` |
Roll-off rate, in dB/octave. Typical values are 10^3 to 10^12, but can be larger. |

`demean` |
Remove mean from data series? (T or F) |

`detrend` |
Remove linear trend from data series? (T or F) |

`addmean` |
Add mean value to bandpass result? (T or F) |

`output` |
Output: (1) filtered series, (2) bandpass filter window. |

`xmin` |
Smallest frequency for plotting. |

`xmax` |
Largest frequency for plotting. |

`genplot` |
Generate summary plots? (T or F) |

`verbose` |
Verbose output? (T or F) |

bandpassed stratigraphic series.

http://www.rocksolidimages.com/pdf/attrib_revisited.htm#_Toc328470897

`bandpass`

, `lowpass`

, `noKernel`

, `noLow`

, `prewhiteAR`

, and `prewhiteAR1`

1 2 3 4 5 6 | ```
# generate example series with periods of 405 ka, 100 ka and 20 ka, plus noise
ex=cycles(freqs=c(1/405,1/100,1/20),noisevar=.1,dt=5)
# bandpass precession terms using Taner window
res_ex <- taner(ex,flow=0.04,fhigh=0.06,roll=10^10)
# lowpass filter using Taner window
res_ex=taner(ex,fhigh=.02,roll=10^10)
``` |

Questions? Problems? Suggestions? Tweet to @rdrrHQ or email at ian@mutexlabs.com.

Please suggest features or report bugs with the GitHub issue tracker.

All documentation is copyright its authors; we didn't write any of that.