vollenweider_generate_regression_ETR_I {pam}R Documentation

Vollenweider Regression for ETR I

Description

Fits the Vollenweider (1965) regression model using original naming conventions from the publication.

Usage

vollenweider_generate_regression_ETR_I(
  data,
  pmax_start_value = vollenweider_default_start_value_a,
  a_start_value = vollenweider_default_start_value_a,
  alpha_start_value = vollenweider_default_start_value_alpha,
  n_start_value = vollenweider_default_start_value_n
)

Arguments

data

A data.table from read_dual_pam_data.

pmax_start_value

Numeric. Initial value for p_{max}. Default: pmax_start_values_vollenweider_default.

a_start_value

Numeric. Initial value for a. Default: a_start_values_vollenweider_default.

alpha_start_value

Numeric. Initial value for \alpha. Default: alpha_start_values_vollenweider_default.

n_start_value

Numeric. Initial value for n. Default: n_start_values_vollenweider_default.

Details

A detailed documentation can be found under https://github.com/biotoolbox/pam?tab=readme-ov-file#vollenweider_generate_regression_etr_i-and-vollenweider_generate_regression_etr_ii.

Value

A list containing:

References

Vollenweider, R. A. (1965). Calculation models of photosynthesis-depth curves and some implications regarding day rate estimates in primary production measurements, p. 427-457. In C. R. Goldman [ed.], Primary Productivity in Aquatic Environments. Mem. Ist. Ital. Idrobiol., 18 Suppl., University of California Press, Berkeley.

Examples

path <- file.path(system.file("extdata", package = "pam"), "20240925.csv")
data <- read_dual_pam_data(path)

result <- vollenweider_generate_regression_ETR_I(data)


[Package pam version 1.0.2 Index]