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aa_2000
2008 Jan 08
1
Problems with modifying data in a MySQL database
Using the package /RMySQL/ I have established a connection ('con1') to a MySQL-Database called 'mc'.
This database contains a table called 'mc_2000' which has 200000 observations on several
variables. One of these variables is called 'B5' (type 'double').
When I generate a numeric vector in R called 'B6' that has the same length as 'B5': How
can I replace the values of 'B5' with the values of 'B...