How can I count the number of values in one column which answer to a condition in another column?

I'm using Numbers 3.2 and would like to count the names in a column which satisfy a condition in a different column. There are 3 "streams" through which these names have come to me, and I would like to easily identify how many have come from each stream. Any help?

Hi DirtyDawg,
COUNTIF is your friend here.
If your source is in column C and your streams are 1, 2 and 3:
=COUNTIF(C,"=stream1")
=COUNTIF(C,"=stream2")
=COUNTIF(C,"=stream3")
These need to be in a footer or header row or in a different column than C.
hope this helps,
quinn

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