Description Usage Arguments Details Value Examples

Apply a low pass filter

1 | ```
smooth.fft(x, f)
``` |

`x` |
Time series data |

`f` |
Cut-off frequency, 0-1 |

The cut-off frequency is specified as a fraction.
For example, `c=.25`

passes the lowest 25% of the spectrum.

Returns a vector the same length as `x`

.

1 2 | ```
y = smooth.fft(deaths,.1)
plotc(deaths,y)
``` |

```
```

Embedding an R snippet on your website

Add the following code to your website.

For more information on customizing the embed code, read Embedding Snippets.