[R] Importing data by odbcConnectExcel in 64 bit

Peter Alspach Peter.Alspach at plantandfood.co.nz
Tue Jul 16 22:35:38 CEST 2013

Tena koe

Perhaps the help file will give you some ideas:

"odbcConnectAccess, odbcConnectDbase and odbcConnectExcel are convenience wrappers to generate connection strings for those file types. The files given can be relative to the R working directory or absolute paths (and it seems also relative to the user's home directory). The file name can be omitted, which will on Rgui bring up a dialog box to search for a file.

Note: they will only work with English-language 32-bit versions of the Microsoft drivers, which may or may not be installed in other locales, and are not usable from 64-bit R. The 2007 versions work with the drivers which are installed with Office 2007/2010 and give access to formats such as '*.xlsx' and '*.accdb'. These drivers are also available separately and there is a 64-bit version: see the package manual. (You must have the 32-bit drivers when using 32-bit R and the 64-bit drivers when using 64-bit R: otherwise there will be a cryptic message about a driver not being found. And the 64-bit drivers cannot be installed alongside 32-bit Microsoft Office, and vice versa.

See the package manual for some of the peculiarities of the Excel drivers. readOnly = TRUE may allow very limited changes (to insert and update rows)."

HTH ....

Peter Alspach

-----Original Message-----
From: r-help-bounces at r-project.org [mailto:r-help-bounces at r-project.org] On Behalf Of Ahmed Attia
Sent: Wednesday, 17 July 2013 6:25 a.m.
To: r-help at r-project.org
Subject: [R] Importing data by odbcConnectExcel in 64 bit

I have probably an old question.

I have R.3.0.1 installed in 64 bit windows 7. The odbcConnectExcel in RODBC library does not work. Tried odbcConnectExcel2007 still does not work.

Any ideas.


= "Sheet3",
+                     na.strings = "NA", as.is = TRUE)
Error in sqlFetch(odbcConnectExcel2007("F:\\Cotton2012\\validation.xlsx"),
  first argument is not an open RODBC channel In addition: Warning messages:
1: In odbcDriverConnect(con, tabQuote = c("[", "]"), ...) :
  [RODBC] ERROR: state IM002, code 0, message [Microsoft][ODBC Driver Manager] Data source name not found and no default driver specified
2: In odbcDriverConnect(con, tabQuote = c("[", "]"), ...) :
  ODBC connection failed
= "Sheet3",
+                     na.strings = "NA", as.is = TRUE)
Error in odbcConnectExcel("F:\\Cotton2012\\validation.xlsx") :
  odbcConnectExcel is only usable with 32-bit Windows

Ahmed M. Attia

Research Assistant
Dept. Of Soil&Crop Sciences
Texas A&M University
ahmed <ahmedatia at zu.edu.eg>.attia at ag.tamu.edu
Cell phone: 001-979-248-5215

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