Re: [Rd] Yates' correction for continuity in chisq.test (PR#8265)

2005-11-01 Thread Prof Brian Ripley
On Mon, 31 Oct 2005, Prof Brian Ripley wrote: > On Sun, 30 Oct 2005, P Ehlers wrote: > >> [EMAIL PROTECTED] wrote: >>> Full_Name: foo ba baz >>> Version: R2.2.0 >>> OS: Mac OS X (10.4) >>> Submission from: (NULL) (219.66.32.183) >>> >>> >>> chisq.test(matrix(c(9,10,9,11),2,2)) >>> >>> Chi-squar

Re: [Rd] Yates' correction for continuity in chisq.test (PR#8265)

2005-10-31 Thread ehlers
Prof Brian Ripley wrote: > On Sun, 30 Oct 2005, P Ehlers wrote: > >> [EMAIL PROTECTED] wrote: >> >>> Full_Name: foo ba baz >>> Version: R2.2.0 >>> OS: Mac OS X (10.4) >>> Submission from: (NULL) (219.66.32.183) >>> >>> >>> chisq.test(matrix(c(9,10,9,11),2,2)) >>> >>> Chi-square value must be 0,

Re: [Rd] Yates' correction for continuity in chisq.test (PR#8265)

2005-10-31 Thread ripley
On Sun, 30 Oct 2005, P Ehlers wrote: > [EMAIL PROTECTED] wrote: >> Full_Name: foo ba baz >> Version: R2.2.0 >> OS: Mac OS X (10.4) >> Submission from: (NULL) (219.66.32.183) >> >> >> chisq.test(matrix(c(9,10,9,11),2,2)) >> >> Chi-square value must be 0, and, P value must be 0 >> R does over correc

Re: [Rd] Yates' correction for continuity in chisq.test (PR#8265)

2005-10-30 Thread P Ehlers
[EMAIL PROTECTED] wrote: > Full_Name: foo ba baz > Version: R2.2.0 > OS: Mac OS X (10.4) > Submission from: (NULL) (219.66.32.183) > > > chisq.test(matrix(c(9,10,9,11),2,2)) > > Chi-square value must be 0, and, P value must be 0 > R does over correction > > when | a d - b c | < n / 2 ，chi-sq m