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seen Jun 11 '13 at 16:53

Student in Quantitative Analysis in the Social Sciences


Apr
9
awarded  Editor
Apr
9
comment Which probability distribution does my discrete variable approximate?
Sorry, my last comment does not make sense because I applied the formula of variance of a binomial distribution to a geometric distribution.
Apr
9
revised Which probability distribution does my discrete variable approximate?
added 196 characters in body
Apr
9
comment Which probability distribution does my discrete variable approximate?
@DilipSarwate Thanks, but I am limited in choosing the distribution for this variable (for further analysis), and geometric distribution is not one of these. Or do you mean fitting this will help me choose between extraBin and NegBin? Because this gives p=0.3. And applying your formula gives a variance of 1.31.
Apr
9
comment Which probability distribution does my discrete variable approximate?
@DilipSarwate I believe the software calculated with an assumption of normal distribution. I will look into my mistake there. @ leonbloy I asked it at stats but I did not get a conclusive response. So I believe more in depth math knowledge is required.
Apr
9
revised Which probability distribution does my discrete variable approximate?
add tag
Apr
9
asked Which probability distribution does my discrete variable approximate?
Jan
24
awarded  Supporter
Jan
24
accepted log-odds to probabilities
Jan
24
asked log-odds to probabilities
Jan
11
awarded  Scholar
Jan
11
accepted Derivation of equalities from odds ratio
Jan
11
comment Derivation of equalities from odds ratio
Thanks, So that last step would be $a=1-(1/c+1)$ How does that give $a=c/1+c$
Jan
11
awarded  Student
Jan
11
comment Derivation of equalities from odds ratio
Thanks. But isn't that using the solution to get to the solution? I mean, could I do it without making use of the derivations yet in step 1.
Jan
11
asked Derivation of equalities from odds ratio