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#1
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How to fill missing cells in the collumn of dates?
Hi,
I have large set of data. I have two columns for every variable: first consists of dates (from 01.01.2000 to 01.01.2008) and the second column consists of values for every date. The problem is that some dates are missed (for example I have 01.01.2000 and next row is 05.01.2000). Is it possble to insert row for every missed date and fill the date in the first column? I can do it manually but I have 7 variables with different set of dates so it will take ages to do it manually. Thanks. |
#2
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How to fill missing cells in the collumn of dates?
In column A I have: A,B,blank,blank,C,blank, blank,blank,D
In G1 type =A1 In G2 type =IF(ISBLANK(A2),G1,A2) Copy this down as far as needed Now I have in G: A,B,B,C,C,C,C,D I can Copy this range; move to A1 and use Edit | Paste Special , with Values box checked. Now A has what I want and I can delete G I expect someone will tell how to use GoTo Special. Try all solutions on a copy of your working file and see which you like best. best wishes -- Bernard V Liengme Microsoft Excel MVP http://people.stfx.ca/bliengme remove caps from email "Artem" wrote in message ... Hi, I have large set of data. I have two columns for every variable: first consists of dates (from 01.01.2000 to 01.01.2008) and the second column consists of values for every date. The problem is that some dates are missed (for example I have 01.01.2000 and next row is 05.01.2000). Is it possble to insert row for every missed date and fill the date in the first column? I can do it manually but I have 7 variables with different set of dates so it will take ages to do it manually. Thanks. |
#3
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How to fill missing cells in the collumn of dates?
Another play to tinker with ..
Assume data in cols A and B, real dates in A1 down, values in B1 down In D1: =IF(A$1+ROWS($1:1)-1MAX(A:A),"",A$1+ROWS($1:1)-1) In E1: =IF(ISNA(MATCH(D1,A:A,0)),"",VLOOKUP(D1,A:B,2,0)) Select D1:E1, copy down until blanks appear, signalling exhaustion of extract. Cols D & E should return what you're after. -- Max Singapore http://savefile.com/projects/236895 xdemechanik --- "Artem" wrote: I have large set of data. I have two columns for every variable: first consists of dates (from 01.01.2000 to 01.01.2008) and the second column consists of values for every date. The problem is that some dates are missed (for example I have 01.01.2000 and next row is 05.01.2000). Is it possble to insert row for every missed date and fill the date in the first column? I can do it manually but I have 7 variables with different set of dates so it will take ages to do it manually. Thanks. |
#4
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How to fill missing cells in the collumn of dates?
Hi Aterm,
Here is a VBA solution. It dumps all missing dates into a spare column that you select by changing the value of MDC. You then copy and paste those dates to the bottom of your dates column, and do a SORT. Remember to include both your date column and your data column in the sort! You also need to change the values of DC and DR to match your dates location. See the notes in the code, which will be green once pasted into a module. You should do this on a copy of your data first. Sub ListDates() Dim DC As Integer Dim DR As Integer Dim NM As Integer Dim MDC As Integer Dim MDR As Integer DC = 1 'Change this value to your Dates Column Number (A=1, B=2 etc) DR = 1 'Change this value to your Dates 1st row number MDC = 2 'Change this value to any spare column number (A=1, B=2 etc) MDR = 1 Do Until Cells(DR + 1, DC) = "" NM = Cells(DR + 1, DC) - Cells(DR, DC) - 1 Do Until NM = 0 Cells(MDR, MDC) = Cells(DR, DC) + NM NM = NM - 1 MDR = MDR + 1 Loop DR = DR + 1 Loop End Sub Regards - Dave. |
#5
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How to fill missing cells in the collumn of dates?
Just to clarify ...
If you have this data in A1:B3 (for one variable) 29-Dec-00 1 2-Jan-01 8 4-Jan-01 7 then you'd get this desired result in D1:E7 29-Dec-00 1 30-Dec-00 31-Dec-00 1-Jan-01 2-Jan-01 8 3-Jan-01 4-Jan-01 7 If the above doesn't work, then that probably means your dates in col A aren't real dates. You can easily convert it to real dates all at one go via selecting col A only, then click Data Text to Columns. Click NextNext to go to Step 3, check "Date", then select, say*: DMY, click Finish *select the correct date format P/s: You should feedback to all who have responded to you -- Max Singapore http://savefile.com/projects/236895 xdemechanik --- |
#6
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How to fill missing cells in the collumn of dates?
Sorry guys, couldn't leave some feedback before because I've just read all
advices! I tried to use all 3 methods that was supplied. VBA code doesn't work for me, may be something was wrong. I have very little expirience in VBA so I just left this method, but thanks anyway! From 2 methods with Excel functions I like the best method that was provided by Max. It's quite simple for me and works fine (I've just replaced all "," in formulas with ";"). Thanks everyone for help, you saved me lots of time!!! "Max" wrote: Just to clarify ... If you have this data in A1:B3 (for one variable) 29-Dec-00 1 2-Jan-01 8 4-Jan-01 7 then you'd get this desired result in D1:E7 29-Dec-00 1 30-Dec-00 31-Dec-00 1-Jan-01 2-Jan-01 8 3-Jan-01 4-Jan-01 7 If the above doesn't work, then that probably means your dates in col A aren't real dates. You can easily convert it to real dates all at one go via selecting col A only, then click Data Text to Columns. Click NextNext to go to Step 3, check "Date", then select, say*: DMY, click Finish *select the correct date format P/s: You should feedback to all who have responded to you -- Max Singapore http://savefile.com/projects/236895 xdemechanik --- |
#7
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How to fill missing cells in the collumn of dates?
Welcome, and thanks for feeding back.
Do take a moment to click the "Yes" button below from where you're reading this -- Max Singapore http://savefile.com/projects/236895 xdemechanik --- "Artem" wrote: Sorry guys, couldn't leave some feedback before because I've just read all advices! I tried to use all 3 methods that was supplied. VBA code doesn't work for me, may be something was wrong. I have very little expirience in VBA so I just left this method, but thanks anyway! From 2 methods with Excel functions I like the best method that was provided by Max. It's quite simple for me and works fine (I've just replaced all "," in formulas with ";"). Thanks everyone for help, you saved me lots of time!!! |
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