Re: [R] t.test() with missing values

2007-09-14 Thread Birgit Lemcke
Am 14.09.2007 um 15:54 schrieb Petr PIKAL: >> Petr PIKAL wrote: >>> Hi >>> >>> [EMAIL PROTECTED] napsal dne 14.09.2007 13:50:58: >>> >>> Birgit Lemcke wrote: > Am 14.09.2007 um 12:05 schrieb Peter Dalgaard: > > >> S Ellison wrote: >> >> Peter Dalgaard <[EMAIL

Re: [R] t.test() with missing values

2007-09-14 Thread Petr PIKAL
> Petr PIKAL wrote: > > Hi > > > > [EMAIL PROTECTED] napsal dne 14.09.2007 13:50:58: > > > > > >> Birgit Lemcke wrote: > >> > >>> Am 14.09.2007 um 12:05 schrieb Peter Dalgaard: > >>> > >>> > S Ellison wrote: > > Peter Dalgaard <[EMAIL PROTECTED]> 14/09/2007 09:26:16 >>> > >>

Re: [R] t.test() with missing values

2007-09-14 Thread Birgit Lemcke
Am 14.09.2007 um 14:27 schrieb Peter Dalgaard: > Petr PIKAL wrote: >> Hi >> >> [EMAIL PROTECTED] napsal dne 14.09.2007 13:50:58: >> >> >>> Birgit Lemcke wrote: >>> Am 14.09.2007 um 12:05 schrieb Peter Dalgaard: > S Ellison wrote: > > Peter Dalgaard <[EMAIL PROTECTED

Re: [R] t.test() with missing values

2007-09-14 Thread Birgit Lemcke
Am 14.09.2007 um 14:12 schrieb Petr PIKAL: > Hi > > [EMAIL PROTECTED] napsal dne 14.09.2007 13:50:58: > >> Birgit Lemcke wrote: >>> >>> Am 14.09.2007 um 12:05 schrieb Peter Dalgaard: >>> S Ellison wrote: > Peter Dalgaard <[EMAIL PROTECTED]> 14/09/2007 09:26:16 >>> >>>

Re: [R] t.test() with missing values

2007-09-14 Thread Peter Dalgaard
Petr PIKAL wrote: > Hi > > [EMAIL PROTECTED] napsal dne 14.09.2007 13:50:58: > > >> Birgit Lemcke wrote: >> >>> Am 14.09.2007 um 12:05 schrieb Peter Dalgaard: >>> >>> S Ellison wrote: Peter Dalgaard <[EMAIL PROTECTED]> 14/09/2007 09:26:16 >>>

Re: [R] t.test() with missing values

2007-09-14 Thread Petr PIKAL
Hi [EMAIL PROTECTED] napsal dne 14.09.2007 13:50:58: > Birgit Lemcke wrote: > > > > Am 14.09.2007 um 12:05 schrieb Peter Dalgaard: > > > >> S Ellison wrote: > >>> > >> Peter Dalgaard <[EMAIL PROTECTED]> 14/09/2007 09:26:16 >>> > >> > >>> > >> Yes, but > >> > >> I don't think lme(

Re: [R] t.test() with missing values

2007-09-14 Thread Peter Dalgaard
Birgit Lemcke wrote: > > Am 14.09.2007 um 12:05 schrieb Peter Dalgaard: > >> S Ellison wrote: >>> >> Peter Dalgaard <[EMAIL PROTECTED]> 14/09/2007 09:26:16 >>> >> > So what can I do now to solve my problem? > > Do you think I should not use paired=TRUE? > You *can* only

Re: [R] t.test() with missing values

2007-09-14 Thread Birgit Lemcke
Am 14.09.2007 um 12:05 schrieb Peter Dalgaard: > S Ellison wrote: >> > Peter Dalgaard <[EMAIL PROTECTED]> 14/09/2007 09:26:16 >>> > So what can I do now to solve my problem? Do you think I should not use paired=TRUE? >>> You *can* only use it when you have pairs, and y

Re: [R] t.test() with missing values

2007-09-14 Thread Peter Dalgaard
S Ellison wrote: > Peter Dalgaard <[EMAIL PROTECTED]> 14/09/2007 09:26:16 >>> >>> So what can I do now to solve my problem? >>> >>> Do you think I should not use paired=TRUE? >>> >> You *can* only use it when you have pairs, and you must do it then, to >> correct for in

Re: [R] t.test() with missing values

2007-09-14 Thread S Ellison
>>> Peter Dalgaard <[EMAIL PROTECTED]> 14/09/2007 09:26:16 >>> >> So what can I do now to solve my problem? >> >> Do you think I should not use paired=TRUE? >You *can* only use it when you have pairs, and you must do it then, to >correct for intra-pair correlation. The drawback is that it looks o

Re: [R] t.test() with missing values

2007-09-14 Thread Birgit Lemcke
Am 14.09.2007 um 10:26 schrieb Peter Dalgaard: > Birgit Lemcke wrote: >> Thanks for your answer. >> >> First I will show you both vectors: >> [...] >> >> I tried this (complete.cases(Fem66, Mal66)) and you are right, it >> gives me back: >> >> (complete.cases(Fem66, Mal66)) >> [1] FALSE FALSE

Re: [R] t.test() with missing values

2007-09-14 Thread Peter Dalgaard
Birgit Lemcke wrote: > Thanks for your answer. > > First I will show you both vectors: > [...] > > I tried this (complete.cases(Fem66, Mal66)) and you are right, it > gives me back: > > (complete.cases(Fem66, Mal66)) > [1] FALSE FALSE FALSE FALSE FALSE FALSE FALSE FALSE FALSE FALSE > FALSE FALS

Re: [R] t.test() with missing values

2007-09-14 Thread Birgit Lemcke
Thanks for your answer. First I will show you both vectors: Mal66 [1] NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA [28] NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA

Re: [R] t.test() with missing values

2007-09-13 Thread Peter Dalgaard
Birgit Lemcke wrote: > Hello! > > I am using R 2.5.1 on a Apple Power Book G4 with Mac OS X 10.4.10 and > I am still R beginner. > > I try to calculate a t.test() using this code: > > TTest75<-t.test(Fem75, Mal75, alternative= "two.sided", paired= TRUE) > > This works properly, but I have t

[R] t.test() with missing values

2007-09-13 Thread Birgit Lemcke
Hello! I am using R 2.5.1 on a Apple Power Book G4 with Mac OS X 10.4.10 and I am still R beginner. I try to calculate a t.test() using this code: TTest75<-t.test(Fem75, Mal75, alternative= "two.sided", paired= TRUE) This works properly, but I have two variables with a lot of missing