Ages (from otoliths) and lengths of Virginia Spot (Leiostomus xanthurus).

## Format

A data frame of 403 observations on the following 2 variables:

tl

Measured total lengths (in inches)

age

Ages assigned from examination of otoliths

## Source

Extracted from Table 1 in Chapter 8 (Spot) of the VMRC Final Report on Finfish Ageing, 2002 by the Center for Quantitative Fisheries Ecology at Old Dominion University. CSV file

## Details

Final length measurements were simulated by adding a uniform error to the value at the beginning of the length category.

## Topic(s)

• Growth

• von Bertalanffy

Used in vbFuns, vbStarts, and nlsTracePlot examples. Also see SpotVA2 in FSAdata for related data.

## Examples

str(SpotVA1)
#> 'data.frame':	403 obs. of  2 variables:
#>  $tl : num 6.5 6.3 7.4 7.1 7.7 7.1 7.9 7.3 7.5 7.3 ... #>$ age: int  0 0 0 0 0 0 0 0 0 0 ...