Displaying 2 results from an estimated 2 matches for "desimoni".
Did you mean:
desimone
2012 Oct 01
1
Error messages when attempting to calculate polychoric correlation matrices
...imation method, R has output a single coefficient rather than a correlation matrix, this could be due to a misunderstanding of the command on my part.
> polychor(data.matrix18, ML=FALSE)
[1] -0.0002762387
In addition, I have used the dataset with the random.polchor.pa package (Presaghi & Desimoni, 2011) to conduct parallel analysis with randomly generated polychoric correlation matrices and this was successful. I conducted these analyses on a larger dataset with 33 variables and also with the 18 variable version.
Any advice about how I can calculate a polychorric correlation matrix from thi...
2012 Oct 02
0
Error messages when attempting to calculate polychoric correlation matrices using the psych package
...fficient rather than a correlation matrix, this could be due to a
> misunderstanding of the command on my part.
>
> > polychor(data.matrix18, ML=FALSE)
>
> [1] -0.0002762387
>
>
> In addition, I have used the dataset with the random.polchor.pa
> package (Presaghi & Desimoni, 2011) to conduct parallel analysis with
> randomly generated polychoric correlation matrices and this was
> successful. I conducted these analyses on a larger dataset with 33
> variables and also with the 18 variable version.
> Any advice about how I can calculate a polychorric correla...