We are two french students and we have a problem concerning an exercize.
We don't know how to resolve it.
It would be fantastic if someone can help us.
Thanks.
Description:
This study examined how the metabolic cost of locomotion varied
with speed, stride frequency and body mass. Cost was
Your question is much too broad for this list. It is not clear from
your question how much statistics you know and what you have already
done. (It also raises the concern that this may be a homework
assignment.)
Have you tried
ox.lm - lm(vo2 ~ speed * stride * mass, data = DATA)
But you
