Hypothetical lengths at seasonal ages. These data are useful for testing growth related functions (e.g., findGrowthStarts
) as they were generated from known growth functions (e.g., von Bertalanffy) with some random error and are, thus, “as good as it gets” for testing.
Format
A data frame of 126 observations on the following 2 variables:
- age
Ages with decimals representing a fraction of a year
- tlS
Total length simulated from a the “Somers” parameterization of the von Bertalanffy growth function with Linf=450, K=0.3, t0=-0.5, C=0.9, and ts=0.1
See also
GrowthData1
, GrowthData2
, and findGrowthStarts
Examples
str(GrowthData2)
#> 'data.frame': 126 obs. of 2 variables:
#> $ age: num 0.4 0.7 0.3 0.6 0.5 0.5 0.4 0.4 0.4 0.4 ...
#> $ tlS: num 171 180 159 178 181 179 166 166 169 172 ...
head(GrowthData2)
#> age tlS
#> 1 0.4 171
#> 2 0.7 180
#> 3 0.3 159
#> 4 0.6 178
#> 5 0.5 181
#> 6 0.5 179
plot(tlS~age,data=GrowthData2)