Re: [R] RMySQL and RMPI together

2010-07-19 Thread kdbondalapati
ask as: con <- dbConnect(MySQL(), dbname="X", user="", password="", host="localhost") But it is of no use. Please let me know if any one has suggestion for this problem. Thank you, Krishna. > Subject: Re: [R] RMySQL and RMPI together >

Re: [R] RMySQL and RMPI together

2010-07-19 Thread Jeff Newmiller
Don't send the open connection object... send the connection info (database name, username, password, etc.) and create new connections as part of the slave task. The master connection object is not valid on the slaves. kdbondalap...@jacks.sdstate.edu wrote: > >Dear R-users, > >I got problem whe

[R] RMySQL and RMPI together

2010-07-19 Thread kdbondalapati
Dear R-users, I got problem when using both RMPI and RMySQL together and I thought some body in this forum can help me. I have a huge data set (more than 300,000 rows) and I would like to modify only few observations. I wrote the modifications in a function form and able to send the function