# Formula For Rolling 12 Month Average?

Mar 16, 2010
See Attached.

The YTD 10 column is fine that will change everytime you update each month. I was wondering if there was a formula I could use for the Rolling 12 month Column.

At the moment it is averging from Mar 09-Feb10 which is correct but when it comes to putting in data for Mar 10, the Rolling 12 month column will obviously not change.

Is there a way of moving the formula along one each time you input data into a new month. So when Mar 10 has been entered the rolling 12 month column will pick up Apr-09-Mar-10 then when Apr 10 has been entered the formula will change again to May-09-APr-10?

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Jan 24, 2014

I am trying to create a formula that looks for the last populated cell, counts 12 cells back and returns an average for all of the cells in that range. I know I have done this before with some combination of INDEX and COUNT, but I can't seem to remember how I did it and my experimenting is not proving fruitful.

Attached is a simplified version of the layout I am working with

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Mar 2, 2009

I've got a "Date" Column which has every day of every month, and next to that several columns with different types of data to correspond to a particular date.

To simplify this (because there are TONS of dates), I've made another "Date" column that displays only every 5th day. Now what I'd like to do of course is average the corresponding data over five days.

I don't know how to write a single formula that I can copy down that will do this.

I've attached a sample spreadsheet with only one month's data, the stuff I need a formula / code for is in red

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Jul 30, 2013

I have a spreadsheet which has data in the format of:

Date

Sales

Monday, 8 July 2013

191

Tuesday, 9 July 2013

180

[Code] ....

I calculate the average of the last four weekdays individually with =Average(A1,A8,A14..) in a cell above them to get a four week average.

Each time I add a new weeks worth of data, I manually adjust the formula to remove the first cell, and include the latest cell with new data.

I'm looking to find out if there is a way I can automate adjusting the formula so it always grabs the last four Mondays (for example)? Either in VBA or a formula.

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Apr 19, 2009

Could you please supply a formula that will calculate a four week rolling average of column B in relation to the dates in column A? I tried using the average and offset functions but can't quite get it to calculate the correct averages.

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Mar 25, 2009

I'm looking for some help to create a rolling 12 mth average. To explain better I have added a copy of the part of the sheet to help you understand what I am working with.

What I'm looking for is the 12 mth average to show up in cell c26. I have the mths listed in cell A2-A25 and the data I want averaged is in C2-C25

An additional problems is that I only want the 12 mth avg calculated if data in the next mth is greater than zero. Meaning since this month is Mar-09 (which is already collecting data) I dont want to include Mar-09 data yet. I only want to know Mar-08 to Feb-09 average. Once data is returned to Apr-09 then I want the average to show for Apr-08 to Mar-09 and so on. I dont what is better to use vba code or a formula which ever is easier.

Or if someone has a better idea please share.

PalletsTotal Orders PickedJan-083547Feb-083031Mar-083616Apr-083472May-083562Jun-083850Jul-083293Aug-082753Sep-083821Oct-083269Nov-082920Dec-083203Jan-093072Feb-093275Mar-092902Apr-090May-090Jun-090Jul-090Aug-090Sep-090Oct-090Nov-090Dec-090Average3342TL ErrorsPercentage

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Oct 8, 2009

I have several worksheets with thousands rows (independent variables) and hundreds columns (all dependent variables). Each line basically gives me hundreds values for each independent variable - see below:

...

C9 39.65 653.95 5.28 163.56 99.56 14.49 ... ...

E9 7535.92 21500.56 2835.88 3122.98 7225.34 5371.25 ... ...

G9 111568 298021 12940 31645 181797 36996 ... ....

...

I need to know how the values in each row are distributed, and I ideally plot a 2D column graph of the distribution. Is there a way to do that and create/program a macro (with relative button on the workboook) that does it automatically once clicked?

Very often there are outlying values (bigger or smaller by a factor of 1000 or even more), mistakes, which I would like to identify and fix possibly

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Sep 30, 2009

One of our govt. agencies requires that I compute the 24-month rolling averages of the daily average input to a manufacturing process. In this instance, the agency is demanding the rolling average since 2003, so there are a fair number of data points involved. The process control computer can provide me the daily data (attached file contains 30 months of data), but cannot compute the 24-month rolling average.

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Feb 13, 2014

Now I'm trying to do 12-month rolling average for my company data?

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Oct 7, 2008

how to calculate a six month rolling average for hours in AD column and AE column, this average would be entered in to AF1. the date column is AC the date is not consecutive it does miss days out.

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Dec 7, 2006

I've got a worksheet that has chronological quarterly data for which I'd like to do a 5-year rolling average. The layout is: Column A = Dates, Column B = Values, and Column C = 5-year Rolling Average. My problem is that I want to exclude zero-values from the averaging calculation. I tried the following:

={AVERAGE(IF(B1,B5,B9,B13,B170,B1,B5,B9,B13,B17))}

However, Excel will not accept this formula (I assume an array must be contiguous? Please let me know if that's correct).

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Jul 31, 2014

I would like to set the automatic rolling month when i select month at dropdown list and this will show at C5 and need to cell at the right hand side auto change month to Jul, Aug, ... Dec, Jan, Feb.

and at left handside show the previous month.

Rolling month.xlsx

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Jul 2, 2008

I have researched and read multiple threads related to graphing rolling averages per month. I've setup my own but I cannot get it to graph correctly. The x axis will be the days of the month ie. 1-31. The y axis is obviously the sales volume. The legend should be a line graph for each individual month sales. I want the graph to reflect the current month and previous 12 full months.

I used the file user rockycj started for another user in a different thread labeled, "Excel Line Chart - 12 month chart moving with dates ". It was very helpful and I'm trying to get this completed before my deadline. If anybody could take a look and let me know, I would greatly appreciate the help. I have attached the file for reference.

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Feb 17, 2009

In a worksheet, I have the following columns:

A: Name

B: Absence Type

D: Date

F: Event

"A" is the employee name. "B" explains the type of absence, (SICK, LATE, UNAUTHORISED, UNPLANNED). "F" states if the absence is the first date of the instance (TRUE) or a subsequent day of the same instance (FALSE).

In order to effectively monitor absence levels, I'm looking to calculate a rolling % of each absence type.

I will require a column "L" that tallies the number of total number of "TRUE" instances for each absence type, per person, within the last 12 months. A column "M" that tallies the total number of instances of an absence type, per person, within the last 12 months. And finally, based on column "M", the % of that absence type within the last 12 months.

Regarding that final column, I have been advised that to obtain this value the basis of the calculation would be "(Number of Instances / 220) * 100". I have been told 220 represents the approximate number of days an employee should work over a twelve month period, but I am dubious about the accuracy of this calculation and any alterntives.

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Aug 15, 2008

I've been working on this for a couple hours and I am close to getting it how I want. Basically I want to have a rolling 15 month graph that will change according to the month you choose in the drop down tab. Example: I choose july 2007, the graph will show data from july 2007 to September 2008. I have the graph functioning, however my formulas are off (collecting the wrong data). I've included a spread sheet

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Jun 6, 2014

What I have is a spreadsheet with a whole bunch of sporting data on it. see attachment for an idea of the layout, Stats.jpg

In these data each round a player is given a rating. What I want to do is calculate is the average rating for each player across the last 3 and 5 games they have played. When a player misses a game they get a rating of 0 for the round. I want 0 ratings to be ignored in the running averages. Additionally, games yet to be played have a 0 in the cell and should be ignored. To get overall averages ignoring 0's was simple I used the averageif function, but I couldn't figure out how to use that but only extract the last 3 non 0 values. I currently have data up to round 12, so if a player has played in 12, 11 and 10 then the 3 round average should just be the average of these 3, but if they missed for example round 11 then the 3 round average should return the average of 9, 10 and 12.

The data is set out in the following way.

In column B I have a list of player names from cells B3:B618.

Across row 1 from N1:AM1 are labels "round 1" "round 2" etc.

The ratings for each player in each round are in N-AM and from 3-618. i.e. N3:AM3 contains the weekly rating for player 1, 4 contains player 2 etc.

I would like the 3 round averages to be returned for each player in column L and 5 round averages in column M.

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Feb 19, 2012

I am wanting to calculate a rolling monthly average and a rolling weekly average.

The following cells have the headers k2 has Allan, Cell L2 has Bill, Cell M2 has Charlie, Cell N2 has Don, cell o2 has Ellen and Cell P2 has Flora

Column J3 to J14 respectivley has Jan to Dec

The balance of the cells will have the data.

I then need to plot the rolling averages for each person on a gaph as teh months data is filled.

Below is the table:

Monthly Totals 2012AllanBillCharlieDonEllenFloraJan0.0000.0000.0000.0000.0000.000

Feb0.0000.0000.0000.0000.0000.000Mar0.0000.0000.0000.0000.0000.000

Apr0.0000.0000.0000.0000.0000.000May0.0000.0000.0000.0000.0000.000

Jun0.0000.0000.0000.0000.0000.000Jul0.0000.0000.0000.0000.0000.000

Aug0.0000.0000.0000.0000.0000.000Sep0.0000.0000.0000.0000.0000.000

Oct0.0000.0000.0000.0000.0000.000Nov0.0000.0000.0000.0000.0000.000Dec0.0000.0000.0000.0000.0000.000

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Aug 21, 2012

I have the formula for calculating a 13 week rolling average, but I need to be able to set goals in the future and still have the average calculate from current and not from future.

I have my dates set up in row 3 (these dates are all mondays, not every day) and my data in row 4. I need the 13 week rolling average to calculate starting from the prior monday and going back 12 more mondays for the 13 weeks. IE: This monday I'm running reports that the info will be entered into the previous week's monday.

Here is the formula that I'm currently using: =AVERAGE(OFFSET(K4,,COUNT(K4:BV4)-13,,13))

The formula works but will calculate the average for 13 weeks prior based on the last cell with data in it. It's calculating the average of the last 13 weeks of next year.

how to make this work without having to remember my weekly goals every week??

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Jul 14, 2014

Trying to set up a 12 month rolling sum. However, the only issue with it is that there a re future date cells already in place (august through December of this year). Is there a way to have a formula automatically ignore these by using todays date or something? That was the person using the workbook doesn't have to delete these columns and re-add in the future?

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Jan 13, 2014

I have a workbook with two sheets. The first has a list of job positions open, columns designated to stages in the employment process and in these columns, my staff enter the dates that they completed a particular stage.

"Position | Date Opened | Stage 1 | Stage 2 | Stage 3 | Stage 4"

Pos 1 | 01/01/2014 |02/01/14|03/01/14|07/01/14|09/01/14

This has a great number of entries and they are increasing and decreasing every day depening on the amount of jobs available.

On the second sheet, I am trying to set up a table which shows the average working days it is taking to complete each stage, divided into the months in which the job position was opened (i.e. for positions opened in january, the average completion working days for stage 1 was X amount of days etc...)

I have tried using =IF(AND(Logical, Logical),TRUE,FALSE) but this doesn't return any info as the logicals will always be false. I tried the OR function, but that requires only one of the criteria to be true to return a value. What I need is for the formula to return a number of days between two dates, ONLY if the opened date falls in one month.

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Apr 16, 2014

I am trying to create a rolling 30 day average based on a date in a particular cell. I have 62 columns that I am looking at. We can call A1 7/1/14 and the 62nd column 8/31/14 for simplicity sake. I want to grab 30 values in row 2 as these columns are filled in daily so 8/1/14 takes the average of 7/2/14-8/31. On 8/5, I want 7/6-8/4 so on and so forth. The average that I need has to include at least one averageif stating that only nonzero "<>0" figures should be tabulated (just have business day transaction data but need all dates listed to tabulate 30 days). The range of dates will be fixed every month and info copied to tabulate on the first day.

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Jul 1, 2009

I have a spreadsheet that has columns of monthly values for three years of financial data and where the values for the latest month are added to the last column. Months that have not been completed will have a zero value (e.g. Jul-09).

Jan-09

Feb-09

Mar-09

Apr-09........

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Dec 23, 2008

I m trying to write a formula for my financial model. If anyone can take a stab at a solution. I'm trying to write a formula that will equally distribute revenue either over the next 1 month, 2 month or 3 month period depending on size of the deal.

Details:

Sales will fit in 1 of 3 categories. Less than 25k; between 25k & 100k; greater than 100k.

- if under $25K, recognize in next month (month N+ 1)

- $25K-100K, recognize in two equal parts in months N + 1 and N + 2

- over $100K, recognize in three equal parts over 3 months

N + 1, N + 2, N + 3 ...

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Oct 17, 2013

I have a sales level that I need to track...My rolling 12 months' sales must be $85,000 and my currently monthly sales must be $7,000. I have a sheet that tracks the $85,000 and tells me what I need to achieve that, but I haven't figured out how to include the $7,000 monthly minimum....

The chart below is what I have. So for example, this month it's telling me I only need to sell another 3016.46 to hit the $85,000 rolling 12, but I actually need to hit $4821.79 to meet the $7k minimum.

Actual Rolling 12 Goal

Sep 2012 5,367.24 73,663.30

Oct 2012 5,649.93 69,496.28

Nov 2012 14,163.38 73,451.30 [code]....

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Aug 18, 2009

Whenever I add new data I need two cells of the old data to not be counted. This should continue until old data isn’t being counted anymore.

EXAMPLE:

New Data entered Cell C36:E36 (148, 147, 214)

Old data shouldn’t be counted anymore from Cell C67:E68 (137, 152, 156, 94, 117, 158)

Total before New data Entered: 14066

After New data Entered: 13761

This formula is required for a total of 16 weeks or until all the old data isn't being calculated anymore in my rolling total.

I only need one total the three examples are just showing what the total should be calculated.

Sheet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xamples140661376113305Excel 2007

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Jun 25, 2014

formula to input to excel to get the dates rolling down in A cell i want it to go A1(1/1/2014) A2(1/1/2014) then a3(2/1/2014) a4(2/1/2014) a5(3/1/2014) a6(3/1/2014) i have a lot of these dates to put into excel

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Dec 3, 2008

I am trying to do is create a total of only the last 90 days of entries from a list of $ amounts. Attached is an example. We are going to start keeping track of our cashiers variances but at the top of the sheet we only want to know what their last 90 days of entries equal.

This would be considered a rolling 90 days, so older variances drop off after 90 days, they would still be left on screen but would not effect the main total.

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Jul 30, 2014

I have attached a work sheet where I have part of a formula working.

Although what I am trying to achieve is in the example in column B.

It is possible to fill in the gaps as in column B with the task between the time frames.?

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Jul 25, 2014

I have a column of values (E4:E87). I'm adding 1 value to this column manually each day...so tomorrow (July 24th) I will have E4:E88...and so forth. Each day is a new row.

In column Z (i.e. cell Z87) I have the formula =(SUM(O53:O87))/(SUM(E53:E87)). Z88 will have

=(SUM(somevalue:O88))/(SUM(somevalue:E88)). This gives me a resulting percentage for a rolling period of time.

I need an automated way to populate "O53" and "E53" ("somevalue") in the formula so that the SUM of the current row's cell (i.e. E88) through [whatever] is 50 or greater. (The sum of the values should be as small as possible, but at least 50, and should not include any older values than absolutely necessary for it to equal at least 50.)

An image of my spreadsheet can be viewed here: [URL]

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Mar 13, 2009

i have the following formula

=SUMPRODUCT(--(TEXT(DSA!$E$5:$E$10000,"mmmyyyy")=$C$4&$C$3),(DSA!$AW$5:$AW$10000)*(DSA!$F$5:$F$10000="")*(DSA!$AJ$5:$AJ$10000="TLS"))

which basically looks at the Month and Year in reference cells then looks through my data on a sheet called DSA..

I have a colum on the DSA sheet AX5:AX10000 where there is a number

I want to be able to calculate the average of these numbers but only if the conditions in the above formula are met.

For example, if the month was MAR 2009 then i would only have the average of numbers present in Colum AX on the DSA sheet for March 2009.

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