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#1
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Skipping cells for SUMIF or COUNTIF functions??
Anyway to use the above functions to, say,
work every other nth cell in a row or column? Say I just want to process A1, A4, A7, etc. (every 3rd cell, n=3), or maybe A1, A3, A5, etc. (every 2nd cell, n=2). -- - Zilla (Remove XSPAM) |
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#2
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Skipping cells for SUMIF or COUNTIF functions??
I found this...
http://www.ozgrid.com/forum/archive/...p?t-26443.html -Zilla "Zilla" wrote in message ... Anyway to use the above functions to, say, work every other nth cell in a row or column? Say I just want to process A1, A4, A7, etc. (every 3rd cell, n=3), or maybe A1, A3, A5, etc. (every 2nd cell, n=2). -- - Zilla (Remove XSPAM) |
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#3
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Skipping cells for SUMIF or COUNTIF functions??
One way:
replace =COUNTIF(A1:A1000,"Y") with =SUMPRODUCT(--(MOD(ROW(INDIRECT("1:1000")),3)=1),--(A1:A1000="Y")) In article , "Zilla" wrote: Anyway to use the above functions to, say, work every other nth cell in a row or column? Say I just want to process A1, A4, A7, etc. (every 3rd cell, n=3), or maybe A1, A3, A5, etc. (every 2nd cell, n=2). |
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#4
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Skipping cells for SUMIF or COUNTIF functions??
Thanks!
"JE McGimpsey" wrote in message ... One way: replace =COUNTIF(A1:A1000,"Y") with =SUMPRODUCT(--(MOD(ROW(INDIRECT("1:1000")),3)=1),--(A1:A1000="Y")) In article , "Zilla" wrote: Anyway to use the above functions to, say, work every other nth cell in a row or column? Say I just want to process A1, A4, A7, etc. (every 3rd cell, n=3), or maybe A1, A3, A5, etc. (every 2nd cell, n=2). |
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#5
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Skipping cells for SUMIF or COUNTIF functions??
I tested this just by putting all 1's in A1:A10,
and put your SUMPRODUCT formula in B1. I expected an answer of 4, counting every 3rd cell starting with A1, correct? Instead I get 0. "JE McGimpsey" wrote in message ... One way: replace =COUNTIF(A1:A1000,"Y") with =SUMPRODUCT(--(MOD(ROW(INDIRECT("1:1000")),3)=1),--(A1:A1000="Y")) In article , "Zilla" wrote: Anyway to use the above functions to, say, work every other nth cell in a row or column? Say I just want to process A1, A4, A7, etc. (every 3rd cell, n=3), or maybe A1, A3, A5, etc. (every 2nd cell, n=2). |
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#6
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Skipping cells for SUMIF or COUNTIF functions??
Not sure why you used 1's. If you want to use 1's change the SUMPRODUCT
Formula to =SUMPRODUCT(--(MOD(ROW(INDIRECT("1:1000")),3)=1),--(A1:A1000=1)) In article , "Zilla" wrote: I tested this just by putting all 1's in A1:A10, and put your SUMPRODUCT formula in B1. I expected an answer of 4, counting every 3rd cell starting with A1, correct? Instead I get 0. "JE McGimpsey" wrote in message ... One way: replace =COUNTIF(A1:A1000,"Y") with =SUMPRODUCT(--(MOD(ROW(INDIRECT("1:1000")),3)=1),--(A1:A1000="Y")) |
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#7
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Skipping cells for SUMIF or COUNTIF functions??
No, I just put the number 1 in A1:A10, just to test your formula.
IOW, if I count every cell (mod 1), your formula should give me 10; if I count every 2nd cell (mod 2), I expect 5, etc... "JE McGimpsey" wrote in message ... Not sure why you used 1's. If you want to use 1's change the SUMPRODUCT Formula to =SUMPRODUCT(--(MOD(ROW(INDIRECT("1:1000")),3)=1),--(A1:A1000=1)) In article , "Zilla" wrote: I tested this just by putting all 1's in A1:A10, and put your SUMPRODUCT formula in B1. I expected an answer of 4, counting every 3rd cell starting with A1, correct? Instead I get 0. "JE McGimpsey" wrote in message ... One way: replace =COUNTIF(A1:A1000,"Y") with =SUMPRODUCT(--(MOD(ROW(INDIRECT("1:1000")),3)=1),--(A1:A1000="Y")) |
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#8
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Skipping cells for SUMIF or COUNTIF functions??
if I count every cell (mod 1)
No. When x is an integer, MOD(x, 1) = 0 in all cases, so your result will always be zero. if I count every 2nd cell (mod 2), I expect 5 Yes, exactly! =SUMPRODUCT(--(MOD(ROW(INDIRECT("1:10")),2)=1),--(A1:A10=1)) returns 5 when A1:A10 contain 1. In article , "Zilla" wrote: No, I just put the number 1 in A1:A10, just to test your formula. IOW, if I count every cell (mod 1), your formula should give me 10; if I count every 2nd cell (mod 2), I expect 5, etc... "JE McGimpsey" wrote in message ... Not sure why you used 1's. If you want to use 1's change the SUMPRODUCT Formula to =SUMPRODUCT(--(MOD(ROW(INDIRECT("1:1000")),3)=1),--(A1:A1000=1)) In article , "Zilla" wrote: I tested this just by putting all 1's in A1:A10, and put your SUMPRODUCT formula in B1. I expected an answer of 4, counting every 3rd cell starting with A1, correct? Instead I get 0. "JE McGimpsey" wrote in message ... One way: replace =COUNTIF(A1:A1000,"Y") with =SUMPRODUCT(--(MOD(ROW(INDIRECT("1:1000")),3)=1),--(A1:A1000="Y")) |
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#9
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Skipping cells for SUMIF or COUNTIF functions??
Yes, thanks, I missed the mod(x,1). What do the "--" mean in
your formula? "JE McGimpsey" wrote in message ... if I count every cell (mod 1) No. When x is an integer, MOD(x, 1) = 0 in all cases, so your result will always be zero. if I count every 2nd cell (mod 2), I expect 5 Yes, exactly! =SUMPRODUCT(--(MOD(ROW(INDIRECT("1:10")),2)=1),--(A1:A10=1)) returns 5 when A1:A10 contain 1. In article , "Zilla" wrote: No, I just put the number 1 in A1:A10, just to test your formula. IOW, if I count every cell (mod 1), your formula should give me 10; if I count every 2nd cell (mod 2), I expect 5, etc... "JE McGimpsey" wrote in message ... Not sure why you used 1's. If you want to use 1's change the SUMPRODUCT Formula to =SUMPRODUCT(--(MOD(ROW(INDIRECT("1:1000")),3)=1),--(A1:A1000=1)) In article , "Zilla" wrote: I tested this just by putting all 1's in A1:A10, and put your SUMPRODUCT formula in B1. I expected an answer of 4, counting every 3rd cell starting with A1, correct? Instead I get 0. "JE McGimpsey" wrote in message ... One way: replace =COUNTIF(A1:A1000,"Y") with =SUMPRODUCT(--(MOD(ROW(INDIRECT("1:1000")),3)=1),--(A1:A1000="Y")) |
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#10
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Skipping cells for SUMIF or COUNTIF functions??
See
http://www.mcgimpsey.com/excel/doubleneg.html In article , "Zilla" wrote: Yes, thanks, I missed the mod(x,1). What do the "--" mean in your formula? |
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