search for: trat3e

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2004 May 31
0
Help on parameters
...(Resp~Trat1*Trat2+Trat1*Trat3-Trat1-1) The -Trat1 is to make comparison of slope with zero. The -1 is to make comparison os intercept with zero. The results that I want are: Coefficients: Estimate Std. Error t value Pr(>|t|) Trat2A Trat2B Trat2C Trat3D Trat3E Trat3F Trat1:Trat2A Trat1:Trat2B Trat1:Trat2C Trat1:Trat3D Trat1:Trat3E Trat1:Trat3F But I get this: Coefficients: Estimate Std. Error t value Pr(>|t|) Trat2A 1.35333 1.00307 1.349 0.18108 Trat2B 1.35333 1.00307 1.349 0.1810...
2012 Feb 06
1
multiple comparisons in nested design
Dear professors and collegues I need to perform a analysis of dates from a nested experimental design. From "Bioestatical Analysis" of Zar "Bimetry of Sokal" & Rohlf "Design and Analysis of Experiments" of Montgomery I have: Sum (mean(x)_i - mean(x)_T)2 / (a-1) -> var(epsilon) + n sigma2_B + n b (sum alfa_i)2 / (a-1) Sum (mean(x)_ij - mean(x)_i)2 /