Age composition of commercial Whitefish (Coregonus clupeaformis) catches for five areas of Great Slave Lake.
A data frame with 16 observations on the following 6 variables:
Catches for area IE.
Catches for area II.
Catches for area IV.
Catches for area V.
Catches for area IW.
All data are from summer samples except for Area.IW which is a winter sample
From Table 19 of Mosenko, R.W., and G. Low. 1980. Data from the commercial fishery for lake whitefish Coregonus clupeaformis (Mitchill), on Great Slave Lake, Northwest Territories, 1979. Canadian Data Report of Fisheries And Aquatic Sciences, No. 194.
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data(WhitefishGSL) str(WhitefishGSL) head(WhitefishGSL) op <- par(mfrow=c(3,2),pch=19) plot(log(area.IE)~age,data=WhitefishGSL) plot(log(area.II)~age,data=WhitefishGSL) plot(log(area.IV)~age,data=WhitefishGSL) plot(log(area.V)~age,data=WhitefishGSL) plot(log(area.IW)~age,data=WhitefishGSL) par(op) # can be reshaped to 'long' format with ## Not run: library(reshape) WhitefishGSL1 <- melt(WhitefishGSL,id.vars="age") names(WhitefishGSL1) <- c("age","area","number") ## End(Not run)
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