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  1. fed2

    Continuity Corrections

    Continuity corrections are neither continuous, nor correct. Discuss.
  2. fed2

    barnards exact test 2xk

    what is the extension of barnards exact test for 2x2 to 2xk table (ie more than two treatment arms)? In other words: Is there name for unconditional version of fisher exact-test for 2xk? Or does that not make sense.... thanks!
  3. fed2

    rank sums, exact distribution

    Is there an easy way to compute the exact distribution of rank sums with say, n, n1 = n2 = n/2 in each group? for example with n=4: ranks 1, 2, 3, 4 you could get group1 has 1 + 2 = 3, or 2 + 3 = 5... Obviously there will be (n chose n1) distinct ranks, but some of the sums will be...
  4. fed2


    I have ascertained that spaghetti is much better with sauce atop the noodles, and not blended in. Q: what type of degenerate mixed noodles with sauce?
  5. fed2

    significant digits

    do statistics have significant digits, in the sense used in chemistry and other sciences, or is it just 'rounding conventions'?
  6. fed2

    30 second rule?

    i notice you have to wait like 30 secnods between posts. In todays fast paced world, i often need to post at much greater rate than this, maybe reduce time?
  7. fed2

    Misspecified linear model, interpretation of slope

    Suppose you fit a simple linear regression when the data actual follow some sort of sigmoid, 4 parm logisitc or similar. To what extent is the following statement true/false: "The estimated slope of the simple linear regression is the average slope of the sigmoid" Seems intuitively true...
  8. fed2


    Im increasingly addicted to this forum, i like seeing the perspectives on things. I work mostly in biostats and epidemiology on and off. Bonjourno!