[EMAIL PROTECTED] (jenny) wrote in message
news:<[EMAIL PROTECTED]>...
> What should I do with the missing values in my data. I ned to perform
> a t test of two samples to test the mean difference between them.
>
> How should I handle them in S-Plus or SAS?
It depends on whether the thing that
[cc'd to previous poster; please follow up in newsgroup]
Dennis Roberts <[EMAIL PROTECTED]> wrote in sci.stat.edu:
>does anyone know where i might get a copy of the 1970 book, stat. methods
>in ed. and psy. ... by gene glass and julian stanley?
>
>mine seems to have disappeared and, i would like
- I guess I am commenting on the statistical perspective,
at least, to start with.
On Fri, 23 Nov 2001 16:22:46 GMT, "L.C." <[EMAIL PROTECTED]>
wrote:
> The question got me thinking about this problem as a
> multiple comparison problem. Exam scores are typically
> sums of problem scores. The p
Jenny -- here's a way to impute continuous variables using SAS:
Regression analysis is performed on a
continuous variable until significant predictors of the continuous
variable are identified. The parameter estimates for the
significant independent predictor variables from the final regression
On 1 Dec 2001, jenny wrote:
> What should I do with the missing values in my data. I need to
> perform a t test of two samples to test the mean difference between
> them.
> How should I handle them in S-Plus or SAS?
1. What do S-Plus and/or SAS do with missing values by default?
(All
On Sat, 1 Dec 2001 08:20:45 -0500, [EMAIL PROTECTED] (Stan Brown)
wrote:
> [cc'd to previous poster]
>
> Rich Ulrich <[EMAIL PROTECTED]> wrote in sci.stat.edu:
> >I think I could not blame students for floundering about on this one.
> >
> >On Thu, 29 Nov 2001 14:39:35 -0500, [EMAIL PROTECTED] (S
Dunnett's original tables (J. Amer. Statist. Assoc. 50: 1096-1121, 1955)
include degrees of freedom of 60, 120, and infinity. The differences in
tabled values between 60 and infinity degrees of freedom are not great,
and harmonic interpolation can be used if desired.
These tables are also found
does anyone know where i might get a copy of the 1970 book, stat. methods
in ed. and psy. ... by gene glass and julian stanley?
mine seems to have disappeared and, i would like to retrieve a copy
thanks for any leads
PLEASE SEND ME A PERSONAL NOTE IF YOU HAVE ANY INFO ... and not to the list
Title: н¨ÍøÒ³ 1
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I don't recall who coined that phrase. However, it is frequently misused.
Sometimes it is used to put down "bad researchers" who use correlational
methods (including ordinary regression) and "good researchers" who use ANOVA
methods. Sometimes it is used to mean that if there is correlation, causa
I don't recall who coined that phrase. However, it is frequently misused.
Sometimes it is used to put down "bad researchers" who use correlational
methods (including ordinary regression) and "good researchers" who use ANOVA
methods. Sometimes it is used to mean that if there is correlation, causa
I don't recall who coined that phrase. However, it is frequently misused.
Sometimes it is used to put down "bad researchers" who use correlational
methods (including ordinary regression) and "good researchers" who use ANOVA
methods. Sometimes it is used to mean that if there is correlation, causa
www.JforJ.com.
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