advice needed

  1. A

    Is the linear mixed-effects model the right choice for analysing my data?

    I'm in desperate need of advice in terms of the choice of statistical test for my analysis. Briefly to explain what I am analyzing: I want to see the effect of 2 categorical variables ("genetic_profile" and "sex") and "age" variable (recorded in exact days which vary between subjects but the...
  2. F

    Is ANOVA right for me?

    Hi there! So I am relatively new to the statistical side of biological data and want to know the best test for my data. The experiment was looking at the concentration of a hormone over time between two treatments with multiple replicates. something like this: Treatment A: Rep 1...
  3. N

    Planned a MANOVA, but data may suggest a MANCOVA

    Hi there! Thanks for taking a minute to help me. I'm in the final days of my PhD and running analyses for my final study. But the longer I look at my data, the more I am beginning to think my planned analyses do not look like they make sense. I really need someone here to act as a sounding...
  4. P

    Significant and not significant depending on the test. What to trust?

    Hi. I'm a PhD student in the field of Bioengineering (sorry in advance for my poor english, btw). I'm analyzing some data to be included in a paper and have some concerns about what'd be the proper test for me to use. Basically, I'm studying the effect of increasing the concentration of a...