Mirex: Mirex concentration, weight, capture year, and species of...
In FSA: Simple Fisheries Stock Assessment Methods
Mirex R Documentation
Mirex concentration, weight, capture year, and species of Lake Ontario salmon.
Description
Mirex concentration, weight, capture year, and species of Lake Ontario Coho and Chinook salmon.
Format
A data frame with 122 observations on the following 4 variables.
- year
a numeric vector of capture years
- weight
a numeric vector of salmon weights (kg)
- mirex
a numeric vector of mirex concentration in the salmon tissue (mg/kg)
- species
a factor with levels chinook and coho
Details
The year variable should be converted to a factor as shown in the example.
Topic(s)
Linear models
Other
Source
From (actual data) Makarewicz, J.C., E.Damaske, T.W. Lewis, and M. Merner. 2003. Trend analysis reveals a recent reduction in mirex concentrations in Coho (Oncorhynchus kisutch) and Chinook (O. tshawytscha) Salmon from Lake Ontario. Environmental Science and Technology, 37:1521-1527. CSV file
Examples
Mirex$year <- factor(Mirex$year)
lm1 <- lm(mirex~weight*year*species,data=Mirex)
anova(lm1)
FSA documentation built on Aug. 27, 2023, 1:06 a.m.
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| Mirex | R Documentation |
Mirex concentration, weight, capture year, and species of Lake Ontario salmon.
Description
Mirex concentration, weight, capture year, and species of Lake Ontario Coho and Chinook salmon.
Format
A data frame with 122 observations on the following 4 variables.
- year
a numeric vector of capture years
- weight
a numeric vector of salmon weights (kg)
- mirex
a numeric vector of mirex concentration in the salmon tissue (mg/kg)
- species
a factor with levels
chinookandcoho
Details
The year variable should be converted to a factor as shown in the example.
Topic(s)
Linear models
Other
Source
From (actual data) Makarewicz, J.C., E.Damaske, T.W. Lewis, and M. Merner. 2003. Trend analysis reveals a recent reduction in mirex concentrations in Coho (Oncorhynchus kisutch) and Chinook (O. tshawytscha) Salmon from Lake Ontario. Environmental Science and Technology, 37:1521-1527. CSV file
Examples
Mirex$year <- factor(Mirex$year)
lm1 <- lm(mirex~weight*year*species,data=Mirex)
anova(lm1)
R Package Documentation
Browse R Packages
We want your feedback!
Note that we can't provide technical support on individual packages. You should contact the package authors for that.
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