[R] need help on ICC for a questionnaire

2008-05-01 Thread Smita Pakhale
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 o

[R] need help on ICC for a questionnaire

2008-05-01 Thread Smita Pakhale
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 o

Re: [R] need help on ICC for a questionnaire

2008-05-02 Thread Smita Pakhale
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 o