Thanks Don for your suggestion. I have received the original data in
Excel xlsx format so I must work with them unless I want to change file
format to thousands of files... I am also saving my output R files in
Excel format to make them compatible with the original ones. Everything
will be then stored in a proper database for further analysis after some
basic data management.
Nino
I 23/02/2012 00:49, MacQueen, Don ha scritto:
Are you absolutely certain that the data must be stored in Excel?
In the long run I believe you will find it easier if the data is stored in
an external database, or some other data repository that does not require
you to read so many separate files.
Probably the best you can hope for as it is now is to put these commands
inside a loop, or nested loops, with the input and output file names
constructed from the loop indexes [see help('paste') for constructing file
names].
-Don
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