search for: tarve

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2007 Jun 21
1
anova on data means
I am transitioning from SAS to R and am struggling with a relatively simple analysis. Have tried Venables and Ripley and other guides but can't find a solution. I have an experiment with 12 tanks. Each tank holds 10 fish. The 12 tanks have randomly assigned one of 4 food treatments - S(tarve), L(ow), M(edium) and H(igh). There are 3 reps of each treatment. I collect data on size of each fish at the end of the experiment. So my data looks like Tank Trt Fish Size 1 S 1 3.4 1 S 2 3.6 .... 1 S 10 3.5 2 L 1 3.4 .... 12 M...