Re: "Kolmogorov-Smirnov" vs "Chi Square"

2000-04-05 Thread Rich Ulrich
On Wed, 05 Apr 2000 14:14:29 GMT, Madewell <[EMAIL PROTECTED]> wrote: > The original question said "to compare distributions to sets of data" > so I believe the discussion concerns the "Goodness of Fit" tests. Oh, then the proper answer, at the start, by whoever responded then, would have been t

Re: "Kolmogorov-Smirnov" vs "Chi Square"

2000-04-05 Thread Madewell
The original question said "to compare distributions to sets of data" so I believe the discussion concerns the "Goodness of Fit" tests. The power should be directly related to the sample size vs. test method used. I plan to run some tests to investigate this. In article <[EMAIL PROTECTED]>,

Re: "Kolmogorov-Smirnov" vs "Chi Square"

2000-04-04 Thread Rich Ulrich
On Tue, 04 Apr 2000 17:41:27 GMT, Madewell <[EMAIL PROTECTED]> wrote: > Let me ask you guys this. If you calculated the power for > the Chi-Squared test using both a small and then a large numbers and did > the same for the KS test what would you find? > Which chisquared test? I keep remindin

Re: "Kolmogorov-Smirnov" vs "Chi Square"

2000-04-04 Thread Herman Rubin
In article <8cd9g3$c5d$[EMAIL PROTECTED]>, Madewell <[EMAIL PROTECTED]> wrote: >Let me ask you guys this. If you calculated the power for >the Chi-Squared test using both a small and then a large numbers and did >the same for the KS test what would you find? The power of the KS test, as usually

Re: "Kolmogorov-Smirnov" vs "Chi Square"

2000-04-04 Thread Madewell
Let me ask you guys this. If you calculated the power for the Chi-Squared test using both a small and then a large numbers and did the same for the KS test what would you find? In article <8c4vhs$e75$[EMAIL PROTECTED]>, [EMAIL PROTECTED] wrote: > Herman Rubin ([EMAIL PROTECTED]) wrote: > : How

Re: "Kolmogorov-Smirnov" vs "Chi Square"

2000-04-01 Thread Clark Gaylord
Herman Rubin ([EMAIL PROTECTED]) wrote: : How should one decide which type of test to use EXCEPT by : looking at its power? Statistics is not a collection of Minor details like validity come to mind. But you're exactly right, Herman, among tests that are valid, power is certainly an important,

Re: "Kolmogorov-Smirnov" vs "Chi Square"

2000-03-31 Thread Herman Rubin
In article <8c0ctq$kol$[EMAIL PROTECTED]>, CD Madewell <[EMAIL PROTECTED]> wrote: >I wonder if the writer of the original question really wanted a >thesis or just a simple answer in how to look at a data set and decide >which of the two test (he mentioned) to use. If he wanted a discussion >on w