Ages of Striped Bass assigned from otoliths by two readers.
Source:R/StripedBass5.R
StripedBass5.RdAges assigned by two different readers to the otoliths of Striped Bass (Morone saxatilis).
Format
A data frame of 458 observations on the following 2 variables:
- reader1
Ages assigned by the first reader
- reader2
Ages assigned by the second reader
Source
From Figure 5 in Chapter 10 (Striped Bass) of the VMRC Final Report on Finfish Ageing, 2003 by the Center for Quantitative Fisheries Ecology at Old Dominion University. CSV file
See also
StripedBass4 and StripedBass6.
Examples
data(StripedBass5)
str(StripedBass5)
#> 'data.frame': 458 obs. of 2 variables:
#> $ reader1: int 2 2 2 2 2 2 2 2 2 2 ...
#> $ reader2: int 2 2 2 2 2 2 2 2 2 2 ...
head(StripedBass5)
#> reader1 reader2
#> 1 2 2
#> 2 2 2
#> 3 2 2
#> 4 2 2
#> 5 2 2
#> 6 2 2
plot(reader2~reader1,data=StripedBass5)
xtabs(~reader1+reader2,data=StripedBass5)
#> reader2
#> reader1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 19 20
#> 2 47 2 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
#> 3 4 28 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
#> 4 0 0 8 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
#> 5 0 0 3 52 0 1 0 0 0 0 0 0 0 0 0 0 0 0
#> 6 0 0 0 1 14 4 0 0 0 0 0 0 0 0 0 0 0 0
#> 7 0 0 0 0 3 84 3 0 0 0 0 0 0 0 0 0 0 0
#> 8 0 0 0 0 0 6 30 2 1 0 0 0 0 0 0 0 0 0
#> 9 0 0 0 0 0 0 1 13 3 0 0 0 0 0 0 0 0 0
#> 10 0 0 0 0 0 0 1 5 72 2 1 0 0 0 0 0 0 0
#> 11 0 0 0 0 0 0 0 0 5 17 1 0 0 0 0 0 0 0
#> 12 0 0 0 0 0 0 0 0 2 0 8 2 0 0 0 0 0 0
#> 13 0 0 0 0 0 0 0 0 0 0 2 8 2 0 0 0 0 0
#> 14 0 0 0 0 0 0 0 0 0 0 1 1 9 1 0 0 0 0
#> 15 0 0 0 0 0 0 0 0 0 0 0 0 2 1 0 0 0 0
#> 16 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0
#> 17 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0
#> 18 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0
#> 20 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0
#> 21 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1