Hi folks,
I'd like to sum the elements of one column for which another column in
the corresponding row meets some criterium such as not being blank. So
something like
=SUMIF(A1:A10,NOT(ISBLANK($_)),B1:B10)
except that Gnumeric, unlike Perl, does not provide me with a $_ context
variable.
In fact, the only thing I've figured out to get SUMIF and COUNTIF to
test for is equality with a constant. If that's the only possible
"criteria", I think this should be made explicit in the function
reference. If more is possible, I would appreciate some examples.
Morten mentioned on IRC that this may be solvable with "array formulae"
and "implicit iteration".
Thanks in advance,
Michael
PS: Please CC me on replies, as I am not subscribed to the list.
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