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Dear R-Users, I store my data in an Postgres-table. I can connect with Rdbi.PgSQL, that is no the problem. The problem is the NA-Values. No-data-values are coded as -9999 in the table. But when I extrct them with any SELECT-statement, the -9999-values are treated as normal vectors. How can I tell R not to fetch the datasets containig -9999-values? thanks for your help stephan -- Linux: the