novak_freq: iadf frequency per cambial age

Description Usage Arguments Value References See Also Examples

View source: R/false_ring_proportion.R

Description

Calculate the frequency per cambial age as suggested by Novak et al. (2013).

Usage

1

Arguments

iadf

A data frame with numeric columns representing individual series and years as rownames where years with IADF are marked binary with 1, those without with 0, years not covered by the series are set to NA.

po

a data frame with pith offsets with series names in the first and pith offset as number of rings in the second column

Value

a data frame

References

Novak, Klemen and S<c3><a1>nchez, Miguel Angel Saz and <c4><8c>ufar, Katarina and Ravent<c3><b3>s, Josep and de Luis, Martin, te and intra-annual density fluctuations in in Spain, IAWA Journal, 34, 459-474 (2013), DOI:https://doi.org/10.1163/22941932-00000037 http://booksandjournals.brillonline.com/content/journals/10.1163/22941932-00000037.

See Also

novak_weibull, novak_index

Examples

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data('example_iadf')
model <- novak_weibull(novak_freq(example_iadf), 15)
novak_index(example_iadf, model)

konradmayer/iadf documentation built on June 9, 2017, 2:50 a.m.