Re: Disadvantage of Non-parametric vs. Parametric Test

1999-12-08 Thread Rich Ulrich
- I have a comment on an offhand remark of Glen's, at the start of his interesting posting - On Tue, 07 Dec 1999 15:58:11 +1100, Glen Barnett [EMAIL PROTECTED] wrote: Alex Yu wrote: Disadvantages of non-parametric tests: Losing precision: Edgington (1995) asserted that when more

Re: Disadvantage of Non-parametric vs. Parametric Test

1999-12-08 Thread Glen Barnett
Frank E Harrell Jr wrote: Alex Yu wrote: Disadvantages of non-parametric tests: Losing precision: Edgington (1995) asserted that when more precise measurements are available, it is unwise to degrade the precision by transforming the measurements into ranked data.

Re: Disadvantage of Non-parametric vs. Parametric Test

1999-12-08 Thread Glen Barnett
Rich Ulrich wrote: - In my vocabulary, these days, "nonparametric" starts out with data being ranked, or otherwise being placed into categories -- it is the infinite parameters involved in that sort of non-reversible re-scoring which earns the label, nonparametric. (I am still trying to

Re: Disadvantage of Non-parametric vs. Parametric Test

1999-12-07 Thread Glen Barnett
Alex Yu wrote: Disadvantages of non-parametric tests: Losing precision: Edgington (1995) asserted that when more precise measurements are available, it is unwise to degrade the precision by transforming the measurements into ranked data. So this is an argument against rank-based