search for: effect1

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2003 Oct 22
1
passing a variable (containing the value of the argument) to a function
My previous question put in a simpler way: How would I pass a value of a variable to a function such as lm(Effect1~Trt*Dose, data = x, contrasts = list(Trt = contr.sum, Dose = contr.sum))? Here, 'Effect' is a column name in my data matrix, and I want "Effect1" to be replaced by "Effect2" and so on (my other column names in the data frame) for successive anova calculations. So I am s...
2008 May 08
3
lme nesting/interaction advice
Hi everyone, I am confused on how to specify some nesting and interaction terma with lme(). I have a dataset where some flies where selected for accessory gland size, made to mate in presence/absence of another male and the level of some protein measured. Now the complex stuff. The selection has been replicated twice, so that the selection term has got two levels (large and small) with