statforbiology (version 0.9.9)

beetGrowth: Growth of sugarbeet in weed-infested and weed-free conditions

Description

A data frame with 18 observations on the following 3 variables:

Usage

data("beetGrowth")

Format

A data frame with 18 rows and 3 variables

Details

• DAE. numeric: Days After Emergence

• weightInf. numeric: weight of crop biomass on the weed infested plots

• weightFree. numeric: weight of crop biomass on the weed free plots

References

Covarelli, G., Onofri, A., 1998. Effects of timing of weed removal and emergence in sugarbeet, in: Proceedings 6th EWRS Mediterranean Symposium, Montpellier, 13-15 May 1998. EWRS, pp. 65–72.

Examples

data(beetGrowth)
mod3 <- nls(weightInf ~ NLS.L3(DAE, b, c, d), data = beetGrowth)