[EMAIL PROTECTED] wrote:
>
> Hi - I tried to get some answer before but there seems to have no one
> response. My question is that I have a class like below definition:
Don't forget that "RODBC" is not an S4 but an S3 class, hence you have
to declare it:
setOldClass("RODBC")
Uwe Ligges
> setClass("DBManager",
> representation(channel="RODBC"))
>
> My purpose of the conn slot is to hold a channel to database connection which
> is returned by a command like:
>
> channel <- odbcConnect("DB", uid="user", pwd="password")
>
> According to RODBC documentation, this channel is supposed to have a type of
> "RODBC". However, if I declare my class as above, R will complain that it
> does not know about "RODBC" type or class. Please clarify. Thank you.
>
> - adschai
>
> [[alternative HTML version deleted]]
>
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