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#1
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Sorting on more then 3 columns
I have a large number of sets of data (500000) consisting of 9 column of values each. I want to sort on ALL columns . Using the Range.Sort method I can only specify 3 columns to sort on. How can I sort on all columns -- JackRn ----------------------------------------------------------------------- JackRnl's Profile: http://www.excelforum.com/member.php...fo&userid=3717 View this thread: http://www.excelforum.com/showthread.php?threadid=56980 |
#2
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Sorting on more then 3 columns
first sort on the columns of least importance, then sort again on the other columns
-- Kind regards, Niek Otten Microsoft MVP - Excel "JackRnl" wrote in message ... | | I have a large number of sets of data (500000) consisting of 9 columns | of values each. I want to sort on ALL columns . | Using the Range.Sort method I can only specify 3 columns to sort on. | How can I sort on all columns? | | | -- | JackRnl | ------------------------------------------------------------------------ | JackRnl's Profile: http://www.excelforum.com/member.php...o&userid=37172 | View this thread: http://www.excelforum.com/showthread...hreadid=569801 | |
#3
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Sorting on more then 3 columns
Thanks for the reply, Indeed a possibility and I did that already, but the disadvantage i that it takes MUCH more time. In my app the calculations take 17 seconds and sorting takes 4 second for each sort. I actually timed and results are 0 sorts 17 seconds 1 sort 21 seconds (columns 1-2-3) 2 sorts 25 seconds (columns 4-5-6 followed by 1-2-3) 3 sorts 29 seconds (column 7 followed by 4-5-6 and 1-2-3) and I might have more columns in the future, so you understand I woul like to avoid sorting several times and would be pleased with a faste solutio -- JackRn ----------------------------------------------------------------------- JackRnl's Profile: http://www.excelforum.com/member.php...fo&userid=3717 View this thread: http://www.excelforum.com/showthread.php?threadid=56980 |
#4
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Sorting on more then 3 columns
This is the official Microsoft recommendation. I don't think there is anything you can do that makes it faster, certainly not try
own VBA macros. -- Kind regards, Niek Otten Microsoft MVP - Excel "JackRnl" wrote in message ... | | Thanks for the reply, | | Indeed a possibility and I did that already, but the disadvantage is | that it takes MUCH more time. | In my app the calculations take 17 seconds and sorting takes 4 seconds | for each sort. I actually timed and results are | 0 sorts 17 seconds | 1 sort 21 seconds (columns 1-2-3) | 2 sorts 25 seconds (columns 4-5-6 followed by 1-2-3) | 3 sorts 29 seconds (column 7 followed by 4-5-6 and 1-2-3) | and I might have more columns in the future, so you understand I would | like to avoid sorting several times and would be pleased with a faster | solution | | | -- | JackRnl | ------------------------------------------------------------------------ | JackRnl's Profile: http://www.excelforum.com/member.php...o&userid=37172 | View this thread: http://www.excelforum.com/showthread...hreadid=569801 | |
#5
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Sorting on more then 3 columns
Sometimes I concatenate several values into one column to accomplish
this. That is, in your 10th column enter the fomula A1&B1&C1&.... then sort by that column. You may have to convert the values to text if they are of varying lengths. That is text(A1,"#####")& ... Best Regards Jim Palmer Niek Otten wrote: This is the official Microsoft recommendation. I don't think there is anything you can do that makes it faster, certainly not try own VBA macros. -- Kind regards, Niek Otten Microsoft MVP - Excel "JackRnl" wrote in message ... | | Thanks for the reply, | | Indeed a possibility and I did that already, but the disadvantage is | that it takes MUCH more time. | In my app the calculations take 17 seconds and sorting takes 4 seconds | for each sort. I actually timed and results are | 0 sorts 17 seconds | 1 sort 21 seconds (columns 1-2-3) | 2 sorts 25 seconds (columns 4-5-6 followed by 1-2-3) | 3 sorts 29 seconds (column 7 followed by 4-5-6 and 1-2-3) | and I might have more columns in the future, so you understand I would | like to avoid sorting several times and would be pleased with a faster | solution | | | -- | JackRnl | ------------------------------------------------------------------------ | JackRnl's Profile: http://www.excelforum.com/member.php...o&userid=37172 | View this thread: http://www.excelforum.com/showthread...hreadid=569801 | |
#6
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Sorting on more then 3 columns
<certainly not try own VBA macros.
I meant writing your own sort mechanism. However, you could record a macro which does the subsequent sorts automatically. You'll gain the time needed to select menus etc, which will probably more than regain the sort time. -- Kind regards, Niek Otten Microsoft MVP - Excel "Niek Otten" wrote in message ... | This is the official Microsoft recommendation. I don't think there is anything you can do that makes it faster, certainly not try | own VBA macros. | | -- | Kind regards, | | Niek Otten | Microsoft MVP - Excel | | "JackRnl" wrote in message | ... || || Thanks for the reply, || || Indeed a possibility and I did that already, but the disadvantage is || that it takes MUCH more time. || In my app the calculations take 17 seconds and sorting takes 4 seconds || for each sort. I actually timed and results are || 0 sorts 17 seconds || 1 sort 21 seconds (columns 1-2-3) || 2 sorts 25 seconds (columns 4-5-6 followed by 1-2-3) || 3 sorts 29 seconds (column 7 followed by 4-5-6 and 1-2-3) || and I might have more columns in the future, so you understand I would || like to avoid sorting several times and would be pleased with a faster || solution || || || -- || JackRnl || ------------------------------------------------------------------------ || JackRnl's Profile: http://www.excelforum.com/member.php...o&userid=37172 || View this thread: http://www.excelforum.com/showthread...hreadid=569801 || | | |
#7
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Sorting on more then 3 columns
Thanks for the rapid replies (again), Certainly I will not write my own macros for that, I know you can't win compared to the build in code using an interpreter like VBA. It is a pitty Array.Sort has not been implemented , would help a LOT of people I think. For identifying if a set is unique while filling the sets I already created a key consisting of a "concatanated" string (actually summing the values of the columns each multiplicated by a constant specific for that column) and considered sorting on them. I guess I will need to do that as I found nothing else. Thanks for the help -- JackRnl ------------------------------------------------------------------------ JackRnl's Profile: http://www.excelforum.com/member.php...o&userid=37172 View this thread: http://www.excelforum.com/showthread...hreadid=569801 |
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