Hi Maria,
But why do you want to use forwards or backwards
methods? These all are 'backward' methods of modeling.
Try using AIC or BIC. BIC is much better than AIC.
And, you do not have to believe me or any one else on
this.
Just make a small data set with a few variables with
known
and
especially below 0.1.
Frank
X
Frank E Harrell Jr åé:
Smita Pakhale wrote:
Hi Maria,
But why do you want to use forwards or backwards
methods? These all are 'backward' methods of
modeling.
Try using AIC or BIC. BIC is much better than
AIC.
And, you do not have
Dear All,
I am trying to get ICC (Intra class correlation
coefficient) for a questionnaire. The questionnaire
has about 25 questions and was administered to 50
subjects on two occasions. I want to calculate the
reproducibility of the questionnaire administered to
the same group of subjects on two
occasions.
I read the psy package, however, I do not understand
as to how should I organize my data. Each subject has
two scores for each question.
Is there any other package I can use for this?
Please help.
Sincerely,
Dr. Smita Pakhale
occasions.
I read the psy package, however, I do not understand
as to how should I organize my data. Each subject has
two scores for each question.
Is there any other package I can use for this?
Please help.
Sincerely,
Dr. Smita Pakhale
the negative alpha
value on your web postings. It does not answer my
question though.
Thank you.
Sincerely,
Dr. Smita Pakhale, MD
McGill University, Canada
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