faq

  1. TheEcologist

    [FAQ] How to code nicely

    This section is meant to give some general help, as proper coding is vital to good science practice. There are many of types of errors and inefficiency stemming from programming style (Kernighan & Plauger 1978). These bad practices are prolific and have even lead to retraction of publications...
  2. TheEcologist

    [FAQ] What are independent / dependent variables?

    Variables A variable is an object, event, quantity, time period or basically something you are trying to measure. We can then further discriminate between two types of variables: independent and dependent. Independent variables An independent variable is exactly what it sounds like, it isn't...
  3. TheEcologist

    [F.A.Q.] list of questions

    Frequently Asked Questions Which statistics book should I get? How do I remove or deal with outliers? Why am I getting negative A.I.C. scores? Which statistical package is best? What test should I use? What are independent / dependent variables? How to code nicely What...
  4. TheEcologist

    [FAQ] Which statistics book should I get?

    Which statistics books should I get? Many of our members have there own favorite statistics books, but the best choice for you depends on your skill and interests. Here is a selection of books recommended by our members. “Biometry by Sokal and Roff “ - bugman, bugman is an ecologist...
  5. TheEcologist

    [FAQ] How do I remove or deal with outliers?

    How do I remove or deal with outliers? Removing outliers can cause your data to become more normal but contrary to what is sometimes perceived, outlier removal is subjective, there is no real objective way of removing outliers. The problem, as always, is what the heck does one mean by...
  6. TheEcologist

    [FAQ] Why am I getting negative A.I.C. scores?

    Why am I getting negative A.I.C. scores? It is correct that negative A.I.C. sent up red flags for you as it may tell you that something went wrong in your analysis - as logically log-likelihoods (or AICs) cant really be negative, well at least, not theoretically or 'technically speaking'. In...
  7. TheEcologist

    [FAQ] What statistical package is best?

    What statistical package is best? Unfortunately, there is no simple objective answer to this question. It all depends on your needs, skills and budget. There is a great Wikipedia page that gives you allot of information here and some good discussions on our forum. If you're still having...
  8. TheEcologist

    [FAQ] Which test should I use?

    This is often a dramatically difficult task for those who have little experience in statistics. Luckily there are some good online resources to help you choose. A quick general overview can be found here and here(link supplied by bukharin). Here is a great resource from the biological...