Description Usage Arguments Value Author(s) References See Also Examples
Applies the taut string method to one-dimensional data.
1 |
x |
observed values |
DISCR |
logical, if T a discrete density is fitted |
verbose |
logical, if T progress (for each iteration) is illustrated grahically |
bandwidth |
if set to a positive value the specified bandwidth is used instead of the automatic criterion based on generalized Kuiper metrics. |
extrema.nr |
if set to a positive integer an approximation with the specified number of local extreme values is calculated |
accuracy |
Precision of the data. Handling of identical observations depends on this parameter. |
extrema.mean |
logical, if T the value at the local extrema is changed to the mean frequency of observations on that interval |
maxkuipnr |
The order of the highest generalized Kuiper metric used for the automatic choice of the bandwidth |
asympbounds |
If set to T asymptotic bounds derived from a Brwonian Bridge are used for the Kuiper criterion. Otherwise simulated bounds for various sample sizes are interpolated for the size of the data x |
tolerance |
Accuracy used for the determination of the bandwidth when extrema.nr is greater than 0. |
localsq |
If set to TRUE (default) performs, if necessary, additional local squeezing after the Kuiper metrics are small enough |
locsq.factor |
The amount of decrement applied to the bandwidthes if local squeezing is carried out. |
y |
values of the density approximation between the observations |
widthes |
bandwidth used for the taut string approximation |
nmax |
number of local extreme values |
ind |
indices of knots points of the taut string |
trans |
taut string at the observations, should look like uniform noise |
Arne Kovac A.Kovac@bristol.ac.uk
Davies, P. L. and Kovac, A. (2003) Densities, Spectral Densities and Modality
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