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Ages of Red Mullet assigned from whole and broken-burnt otoliths.

Source: R/MulletBS.R
MulletBS.Rd

Ages assigned to whole and broken-burnt otoliths of Red Mullet (Mullus barbatus ponticus) sampled from the Black Sea (Samsun, Turkey).

Format

A data frame with 51 paired observations on the following 2 variables.

whole

Ages assigned from whole otoliths

bb

Ages assigned from broken/burnt otoliths

Source

From Figure 3 of Polat, N., D. Bostanci, S. Yilmaz. 2005. Differences between whole otolith and broken-burnt otolith ages of red mullet (Mullus barbatus ponticus Essipov, 1927) sampled from the Black Sea (Samsun, Turkey). Turkish Journal of Veterinary and Animal Science 29:429-433. CSV file

Topic(s)

  • Age Comparison

  • Age Precision

  • Age Bias

  • Ageing Error

Examples

data(MulletBS)
str(MulletBS)
#> 'data.frame':	51 obs. of  2 variables:
#>  $ whole: int  2 2 2 3 3 3 3 2 2 2 ...
#>  $ bb   : int  2 2 2 3 3 3 3 3 3 3 ...
head(MulletBS)
#>   whole bb
#> 1     2  2
#> 2     2  2
#> 3     2  2
#> 4     3  3
#> 5     3  3
#> 6     3  3
plot(whole~bb,data=MulletBS)

xtabs(~bb+whole,data=MulletBS)
#>    whole
#> bb   2  3  4
#>   2  3  0  0
#>   3 11  4  0
#>   4  2 10  8
#>   5  1  6  5
#>   6  0  0  1