Description Usage Arguments Details Value See Also Examples

Converts flattened wavelet packet node indices to corresponding *level* and *oscillation*
indices.

1 | ```
wavPacketIndices(x, check.basis=TRUE)
``` |

`x` |
a vector of flattened wavelet packet node indices. |

`check.basis` |
a logical value. If |

In general, wavelet packet crystals can be arranged in the so-called *natural order*
ala *W(0,0) , W(1,0), W(1,1), W(2,0), W(2,1), W(2,2), W(2,3), ... , W(J,0), ..., W(J, NJ)*
where *J* is the number of decomposition levels and *NJ*.
By definition, *W(0,0)* is the original time series.
A given crystal is identified in the *W(j,n)* form above or by a flattened index.
For example, the DWPT crystal in level 2 at oscillation index 1 is identified either by j,n=2,1 or
by its flattened index 4 (with zero based indexing, 4 represents the fifth crystal of the wavelet packet
transform in natural order). This function converts such flattened wavelet packet indices to
the *W(j,n)* form.

a list of `flat`

, `level`

, and `osc`

vectors containing the flattened, decomposition level,
and oscillation indices, respectively, corresponding to the input.

1 2 3 4 5 | ```
## specify a basis formed by the flattened indices
## corresponding to the wavelet packet nodes
## W(2,0:1) and W(3,4:7), but submit them in
## arbitrary order
wavPacketIndices(c(14,11,12,13,4,3), check.basis=TRUE)
``` |

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