search for: dochtermann

Displaying 2 results from an estimated 2 matches for "dochtermann".

generating random covariance matrices (with a uniform distribution of correlations)
2011 Jun 02
4
generating random covariance matrices (with a uniform distribution of correlations)
...t in the "clusterGeneration" package but even when picking the "unifcorrmat" option and setting "alphad" to 1, the distribution of correlations is not uniform. Any recommendations on how to generate the desired covariance matrices would be appreciated. Ned -- Ned A. Dochtermann Department of Biology University of Nevada, Reno ned.dochtermann at gmail.com http://wolfweb.unr.edu/homepage/mpeacock/Ned.Dochtermann/ http://www.researcherid.com/rid/A-7146-2010 --
SEM: question regarding how standard errors are calculated
2011 Feb 08
1
SEM: question regarding how standard errors are calculated
...timates. But, does anyone have information about how sem and AMOS are calculating standard errors and why they would differ rather dramatically? SEM is really not appropriate for the dataset in question but the discrepancy in standard errors made me curious. Thanks a lot for any help, Ned Dochtermann [[alternative HTML version deleted]]