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#1
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Summing a variable number of rows
I want to sum a variable number of rows which is in a column of numeric
information. For example, say the column has entries 1,2,3,4 and 5 in five separate rows. I would like to be able to sum a number of contiguous entries (e.g. sum the second, third and fourth rows, or sum the fourth and fifth rows). This can obviously be done by creating a normal sum function (e.g. =sum(A2:A4) for the first example above). However, if I want to vary where the series is summed from (e.g. A2 or A3) - and the number of rows that are summed (e.g. A2 to A4, or A4 to A5) - I need to go in and manually re-write this formula. Is it possible to have a sum-type formula linked to two input cells, where input cell one indicates where the summed series is to commence from and cell two indicates the umber of rows that are to be summed? Thanking you in advance. |
#2
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Summing a variable number of rows
Use INDIRECT(). Say A1 thru A30 contain:
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 In B1 we put the starting row: 7 In B2 we put the number of rows: 5 In B3 we enter: =SUM(INDIRECT("A" & B1 & ":A" & B1+B2-1)) which displays 45 -- Gary''s Student - gsnu200802 "CEGavinMcGrath" wrote: I want to sum a variable number of rows which is in a column of numeric information. For example, say the column has entries 1,2,3,4 and 5 in five separate rows. I would like to be able to sum a number of contiguous entries (e.g. sum the second, third and fourth rows, or sum the fourth and fifth rows). This can obviously be done by creating a normal sum function (e.g. =sum(A2:A4) for the first example above). However, if I want to vary where the series is summed from (e.g. A2 or A3) - and the number of rows that are summed (e.g. A2 to A4, or A4 to A5) - I need to go in and manually re-write this formula. Is it possible to have a sum-type formula linked to two input cells, where input cell one indicates where the summed series is to commence from and cell two indicates the umber of rows that are to be summed? Thanking you in advance. |
#3
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Summing a variable number of rows
Try something like this:
Column A are the values to sum C1 = user input, the starting row number D1 = user input, the ending row number =SUM(INDEX(A:A,C1):INDEX(A:A,D1)) C1 = 5 D1 = 10 The formula will sum A5:A10 -- Biff Microsoft Excel MVP "CEGavinMcGrath" wrote in message ... I want to sum a variable number of rows which is in a column of numeric information. For example, say the column has entries 1,2,3,4 and 5 in five separate rows. I would like to be able to sum a number of contiguous entries (e.g. sum the second, third and fourth rows, or sum the fourth and fifth rows). This can obviously be done by creating a normal sum function (e.g. =sum(A2:A4) for the first example above). However, if I want to vary where the series is summed from (e.g. A2 or A3) - and the number of rows that are summed (e.g. A2 to A4, or A4 to A5) - I need to go in and manually re-write this formula. Is it possible to have a sum-type formula linked to two input cells, where input cell one indicates where the summed series is to commence from and cell two indicates the umber of rows that are to be summed? Thanking you in advance. |
#4
Posted to microsoft.public.excel.misc
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Summing a variable number of rows
I want to sum a variable number of rows which is in a column of
numeric information. For example, say the column has entries 1,2,3,4 and 5 in five separate rows. I would like to be able to sum a number of contiguous entries (e.g. sum the second, third and fourth rows, or sum the fourth and fifth rows). This can obviously be done by creating a normal sum function (e.g. =sum(A2:A4) for the first example above). However, if I want to vary where the series is summed from (e.g. A2 or A3) - and the number of rows that are summed (e.g. A2 to A4, or A4 to A5) - I need to go in and manually re-write this formula. Is it possible to have a sum-type formula linked to two input cells, where input cell one indicates where the summed series is to commence from and cell two indicates the umber of rows that are to be summed? In the csv file below, A is the column of numeric information B1 is the first row number of the sum (input cell one) B2 is the number of rows that are summed (input cell two) B3 is the sum. Modify to suit. -------------- cut here -------------- 1,2,start row 2,3,count 3,"=SUM(OFFSET($A$1,B1-1,0,B2,1))",sum 4,, 5,, |
#5
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Summing a variable number of rows
Many thanks. Took me a while to figure out how to use your formula but have
cracked the issue that I needed to resolve. Cheers. "Gary''s Student" wrote: Use INDIRECT(). Say A1 thru A30 contain: 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 In B1 we put the starting row: 7 In B2 we put the number of rows: 5 In B3 we enter: =SUM(INDIRECT("A" & B1 & ":A" & B1+B2-1)) which displays 45 -- Gary''s Student - gsnu200802 "CEGavinMcGrath" wrote: I want to sum a variable number of rows which is in a column of numeric information. For example, say the column has entries 1,2,3,4 and 5 in five separate rows. I would like to be able to sum a number of contiguous entries (e.g. sum the second, third and fourth rows, or sum the fourth and fifth rows). This can obviously be done by creating a normal sum function (e.g. =sum(A2:A4) for the first example above). However, if I want to vary where the series is summed from (e.g. A2 or A3) - and the number of rows that are summed (e.g. A2 to A4, or A4 to A5) - I need to go in and manually re-write this formula. Is it possible to have a sum-type formula linked to two input cells, where input cell one indicates where the summed series is to commence from and cell two indicates the umber of rows that are to be summed? Thanking you in advance. |
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