[R] RODBC vs gdata

[Enrico Schumann]

Hi Christof,

have a look at the manual of RODBC, and in particular the section on 
Excel drivers.

RShowDoc("RODBC", package="RODBC")

Regards,
Enrico


Am 09.01.2012 19:02, schrieb Christof Kluß:
> Hi
>
> one col in my Excel file contains many numbers. But on line 3000 and
> some other lines are strings like "FG 1". "RODBS" seems to omit this
> lines. "gdata" works, but is much slower.
>
> Is this a bug of RODBC or do I apply it wrong?
>
> Example with the same "file.xlsx"
>
>
> library(RODBC); excel<- odbcConnectExcel2007("file.xlsx")
> tab<- sqlQuery(excel, 'select * from "Table 1$"'); str(tab)
>
> col1: num  1 2 3 4 5 6 7 8 9 10 ...
>
> library(gdata); tab<- read.xls("file.xlsx", sheet=1); str(tab)
>
> col1: Factor w/ 51 levels "1","10","11",..: 1 12 23 34 41 42 43...
>
>
> greeting
> Christof
>
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-- 
Enrico Schumann
Lucerne, Switzerland
http://nmof.net/