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...nce I expect my two covariance matrices are homogeneous. Am I right? If this comparison is incorrect, could someone suggest a useful way to make this comparison using R? Thank you in advance for your comments. Franck _______________________________ Dr Franck BAMEUL Le Clos d'Ornon 7 rue Frdric Mistral F-33140 VILLENAVE D'ORNON France fbameul at wanadoo.fr 06 89 88 16 73 (personnel) 05 57 19 57 20 (professionnel) 05 57 19 57 27 (fax)

Hi all, I installed Rails 3.0 + PostgreSQL 8.4. Installed the gem postgre-pr I added " gem ''postgres-pr'' " to my Gemfile I defined my database.yml with: # PostgreSQL 8.4 development: adapter: postgresql encoding: unicode database: testdb pool: 5 username: test password: ****** I run rails server which starts, but application environment returns this error: