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    Graphically display results of ANCOVA

    Hi, I am trying to find a way to represent my results from an ANCOVA and was thinking of doing boxplots or bargraphs. However, I don´t know how to do these codes with adjusting for the covariate. Does anyone know how?
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    What to do when assumption of ANCOVA doesn´t check up?

    I do not know how correlated, only that when i change the order of the explanatory variables and compare the anova tables, the significance level of the categorical explanatory variable shifts from non-significant to significant, whereas the covariate value stays the same.
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    What to do when assumption of ANCOVA doesn´t check up?

    Hi, I am doing an ANCOVA because i have a continuous and a categorical explanatory variable, however found during analysis that my explanatory variables are correlated. How should i proceed? Do i drop the covariate and do a regular ANOVA, with risking overemphasizing the effect of the...
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    Help! Is this a mixed model ANCOVA?

    Hi, I could really use some help. I am conducting a study looking at the different growth rate of two species of trees (100 of each) randomly places in a 10km^2 urban area. Their average growth rate is recorded. In addition to the species, the locals water the individual plants (in addition to...