'Orthogonal contrasts' presentation slideshows

Concepts in Beef Cow Nutrition

Concepts in Beef Cow Nutrition. Aaron Stalker University of Nebraska-Lincoln. Introduction. Feed costs Major factor in economic efficiency Harvested forages Majority of total feed costs. Annual operating costs per cow Northern Great Plains. $419. USDA, Economic Research Service, 2002.

1.39k views • 117 slides

Fixed and Random Effects

Fixed and Random Effects. Theory of Analysis of Variance. [? e 2 + k ? t 2 ]/? e 2 = 1, if k ? t 2 = 0. Setting Expected Mean Squares. The expected mean square for a source of variation (say X) contains. the error term. a term in ? 2 x.

838 views • 82 slides

Orthogonal Contrasts

Orthogonal Contrasts. Orthogonality. ?c i = 0. ?[c 1i x c 2i ] = 0. -1 -1 +1 +1 -- ?c i = 0 -1 +1 -1 +1 -- ?c i = 0 +1 -1 -1 +1 -- ?c i = 0. Calculating Orthogonal Contrasts. d.f. (single contrast) = 1. S.Sq(contrast) = M.Sq = [ ?c i x Y i ] 2 /n?c i 2 ].

378 views • 37 slides

334 views • 31 slides

Hypotheses about Contrasts

466 views • 25 slides

Multiple comparisons

Multiple comparisons. http://newyorkette.com/wp-content/070430_cartoon_8_a12131_p465.gif. How we decide which means are truly different from one another?. The ANOVA only test the null hypothesis that the treatment means were all sampled from the same distribution. Two general approaches.

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LECTURE 15 Hypotheses about Contrasts

331 views • 21 slides

Multiple comparisons

Multiple comparisons. http://newyorkette.com/wp-content/070430_cartoon_8_a12131_p465.gif. How we decide which means are truly different from one another?. The ANOVA only test the null hypothesis that the treatment means were all sampled from the same distribution. Two general approaches.

315 views • 21 slides

Multiple comparisons

219 views • 21 slides

Multiple comparisons

215 views • 21 slides