Total lengths and weights for a subsample of fish captured in Inch Lake, WI in May, 2007 and May, 2008.
Format
A data frame of 516 observations on the following 6 variables:
- netID
A unique identifier for the sampling event
- fishID
A unique identifier for the individual fish
- species
Species name
- length
Total length (inches to nearest 0.1)
- weight
Wet weight (grams to nearest 0.1)
- year
Year of capture
Source
Derek H. Ogle, personal collection. CSV file
See also
See InchLake1 for the entire sample, but without weights.
Examples
data(InchLake2)
str(InchLake2)
#> 'data.frame': 516 obs. of 6 variables:
#> $ netID : int 206 205 205 205 205 205 205 205 205 205 ...
#> $ fishID : int 501 502 503 504 505 506 507 508 509 510 ...
#> $ species: Factor w/ 9 levels "Black Crappie",..: 2 2 2 2 2 2 2 2 2 2 ...
#> $ length : num 1.5 1.7 2.2 2.1 1.5 1.9 1.9 1.4 1.2 1.4 ...
#> $ weight : num 0.7 1.4 1.5 1.4 1 1.8 1.4 0.6 0.3 0.8 ...
#> $ year : int 2008 2008 2008 2008 2008 2008 2008 2008 2008 2008 ...
head(InchLake2)
#> netID fishID species length weight year
#> 1 206 501 Bluegill 1.5 0.7 2008
#> 2 205 502 Bluegill 1.7 1.4 2008
#> 3 205 503 Bluegill 2.2 1.5 2008
#> 4 205 504 Bluegill 2.1 1.4 2008
#> 5 205 505 Bluegill 1.5 1.0 2008
#> 6 205 506 Bluegill 1.9 1.8 2008
## Isolate just Bluegills
bg.il <- subset(InchLake2,species=="Bluegill")
## Isolate just largemouth bass from 2007
lmb7.il <- subset(InchLake2,species=="Largemouth Bass" & year==2007)