grrrr. This is the file I should have attached.

On Sat, 2005-09-10 at 02:02 -0500, David Stanaway wrote:
> Sorry, I didn't specify the approximate arg to the grade vlookup so you
> will get erroneous results. Here is the correct version.
> 
> On Sat, 2005-09-10 at 01:55 -0500, David Stanaway wrote:
> > For this kind of thing, I would use awk. There is also sqlite which
> > might be ported to your OS, you didn't specify, and this supports outer
> > joins.
> > 
> > I am not aware of a matrix operation that will sort/uniq muliple ranges
> > of data which would be neat.
> > 
> > Attached is a simple vlookup based approach you might use. You just need
> > to be able to have a complete set of student ids for the result sheet.
> > 
> > I am not sure how to get that complete set of student ids inside
> > gnumeric, but in the unix shell it is very simple.
> > 
> > Suppose you have 2 csv files of exam results, both with the first column
> > containing student ids.
> > 
> > cut -d, -f1 exam1.csv exam2.csv | sort -u > studentids.csv
> > 
> > 
> > 
> > On Fri, 2005-09-09 at 20:47 -0400, Alexander Kirillov wrote:
> > > Hi guys: 
> > > maybe one of the experts here can provide some advice...
> > > 
> > > I have two spreadsheets containing grades for two different exams
> > > (midterm 1, midterm2) for  the same class. For simplicity, we can
> > > assume that each contains the following filed:
> > > ID Name Grade 
> > > 
> > > I need to merge them creating a single spreadsheet with all grades for
> > > all students who took at least one of the exams. If the list of
> > > students was the same, I could just copy-and-paste a column. However,
> > > the lists are slightly different: some students missed one midterm,
> > > others the second midterm, some dropped the class, etc.
> > > 
> > > Is there any simple way of merging them, short of manually matching
> > > (there are about 900 students)? Of course, if using a database - such
> > > as MySQL - it would be exactly one command [AFAIK, it is called "full
> > > outer join"]. But I do not know MySQL, and learning it, converting the
> > > data, and then converting back seems too much of a hassle for such a
> > > simple thing.
> > > 
> > > Is there any way to do it in Gnumeric? Or in OpenOffice.org? In Excel
> > > if there is no other way? [BTW: Microsoft Access database doesn't
> > > support outer join. Typical for point-and-click products)
> > > 
> > > Thanks,
> > > Sasha
> > > 
> > > PS: I know the right way would be to keep all the data in a single
> > > spreadsheet, avoiding this problem. However, for reasons you do not
> > > want to know, it was impossible - and it is too late now, anyway.
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> > > 
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Attachment: eg-exam.gnumeric
Description: application/gnumeric

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