Dear Gang,
I'm not clear about the form of the model that you're trying to fit,
nor what the form of the likelihood would be for such as model, but the
short answer is that sem() requires that each covariance among observed
variables be for the same observations and hence for the same number
(N) o
Dear Gang Chen,
I expect that either you didn't install the package properly (see
?install.packages) or installed a version of the package for an earlier
version of R.
I hope this helps,
John
On Wed, 28 Jun 2006 17:14:10 -0400
Gang Chen <[EMAIL PROTECTED]> wrote:
> Hi experts,
>
> I just star
Gang Chen wrote:
> Hi experts,
>
> I just started to learn R today, and tried to work with an add-on
> package sem. I have a version of 2.3.1 on MacOS X 10.4.6 with sem put
> under /Library/Frameworks/R.framework/Versions/2.3/Resources/library
>
> However when I typed
>
> library(sem)
>
> t
Hi experts,
I just started to learn R today, and tried to work with an add-on
package sem. I have a version of 2.3.1 on MacOS X 10.4.6 with sem put
under /Library/Frameworks/R.framework/Versions/2.3/Resources/library
However when I typed
library(sem)
the following error showed up:
Error in