Recent content by ralph86

  1. R

    Graduate Gamblers Ruin - Markov Chain problem

    I'm no expert, but logically, if he plays for long enough, he will encounter all possible combinations of results. Eventually he will have a string of losses long enough to bring him to 0, which forces him to stop. Having a high p will simply make this result more improbable, i.e. he will most...
  2. R

    Undergrad Multiple variable correlation - drowning in stats formulas,

    Ok Richard, thanks for your help. I was hoping for an easy way of doing this, and that sounds pretty easy. I will ask around if anyone dominates stats in the department :) Ralph
  3. R

    Undergrad Multiple variable correlation - drowning in stats formulas,

    Hi Richard, Thanks for your reply. Just to be sure I understand, a dependent variable is one that is purely affected by another one, which you are also measuring? If this is the case, the situation is a bit more complex - one indicator, e.g. dissolved oxygen, may be the determinate...
  4. R

    Undergrad Multiple variable correlation - drowning in stats formulas,

    Hello everyone, My boss has asked me to find if there is any correlation between various sample parameters in a water quality study. We took around 150 samples, and for each one measured around 50 parameters e.g. iron content, free residual chlorine, level of coliforms, pH, etc etc. I...