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...sv("C:/Users/hp/Desktop/R_data/rassenv.csv", header=T, stringsAsFactors=T) sptrans <- decostand(rassspec, "hellinger") envtrans <- decostand(rassevee, "hellinger") vare.cca <- cca(sptrans, envtrans) Any kind of help will be appreciable Thanking you regards Shailendra Pal Research Scholar Plant Ecology Lab (Prof. S.C. Garkoti) School of Environmental Sciences JNU, New Delhi 110067 [[alternative HTML version deleted]]

Hi, I am facing issue with composite primary key In my gem file I have the below entries - gem 'rails', '>= 4.1.0.rc2' gem 'mysql2' gem 'rb-readline', "~> 0.5.1" gem 'sdoc', '~> 0.4.0', group: :doc gem 'spring', group: :development gem 'bcrypt', '~> 3.1.7' gem