Displaying 3 results from an estimated 3 matches for "tid2".
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2007 Jan 04
2
importing timestamp data into R
I have a set of timestamp data that I have in a text file that I would like
to import into R for analysis.
The timestamps are formated as follows:
DT_1,DT_2
[2006/08/10 21:12:14 ],[2006/08/10 21:54:00 ]
[2006/08/10 20:42:00 ],[2006/08/10 22:48:00 ]
[2006/08/10 20:58:00 ],[2006/08/10 21:39:00 ]
[2006/08/04 12:15:24 ],[2006/08/04 12:20:00 ]
[2006/08/04 12:02:00 ],[2006/08/04 14:20:00 ]
I can get
2007 Mar 01
2
Query about data manipulation
Hi
Thanks much for the prompt response to my earlier
enquiry on packages for regression analyses.
Along the same topic(?), I have another question about
which I could use some input.
I am retreiving data from a MySQL database using
RODBC.
The table has many BLOB columns and each BLOB column
has data in the format
"id1 \t id2 \t measure \n id3 \t id4 \t measure...."
(i.e. multiple rows
2006 May 17
8
Why can''t I change value of the primary key?
One should be able to change the value of a primary key, right? But it''s
not working for me. If I do this:
@drug = Drug.find(tid1)
@drug.id = tid2
@drug.category = ''Test2''
if @drug.save
savedok = ''Saved successfully''
else
savedok = ''Not saved''
end
I get ''Saved successfully'' but actually the record is not saved or
changed at all, nor is th...