Brian Barker wrote:
At 13:42 08/09/2013 -0400, Fred James wrote:
Brian Barker wrote:
=SUMPRODUCT(B$2:B$5=E1;C$2:C$5)
so you can fill this down into F2.
Typo found : switch the B's and C's so that the function reads:
=SUMPRODUCT(C$2:C$7,E1=B$2:B$7)
and it works.
Er, there is no "typo", just some confusion on your part. The
original formula works. You have changed the test from X = Y to Y = X
and the product X x Y into Y x X. As any elementary mathematician
knows, equality and multiplication are commutative, so these are the
same thing: x = y and y = x are the same test; and 2 x 3 and 3 x 2 are
the same value!
Brian Barker
Sorry ... yes: x=y is the same as y=x, but when testing the original
function the results were incorrect. Switching the b's and c's made the
function return the correct results. Assumption (on my part):
the first part (C$2:C$5) is the column of values to be summed
the second part (E1=) is the value we want to match in the third part
the third part (B$2:B$5) is the column/range of values to be
matched by the second part
¿Sí?
So if we used column B for the first part we would be trying to sum
labels/text, and if we used C in the third part, we would be trying to
match labels/text to numbers?
Or did I miss something?
In any case, I must thank you for pointing to this solution ... it is
great ... I really enjoyed this.
Regards
Fred James
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