Moving Average - Based On Last 5 Weeks

Jul 8, 2013

I am trying to do a moving average and running into an issue with the count part of the formula.

Column C (C2 to C54) has the numbers I need to average.
Average is based on last 5 weeks.

My issue is that C23 is blank as we had no data for that week.
Currently the formula is counting 25 entries between C2:C27, there should be 26.

My average should be 31 but I am getting 33.

This is the formula I am using :

I have tried using different Counta and ISnumber still not working

I would rather use a formulas then VB code.

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Calculate A 30-day Moving Average Based On The Last X Number Of Entries And Date

Jul 5, 2006

I have a worksheet that has all weekday dates in column 1 and values in column 2. I want to create a 30-day moving average based on the last (non-zero) value in the column 2.

Since every month has a different amount of days, I want it to search the date that has the last value (since I don't get a chance to update it daily) and go back thirsty days from that date and give an average of all the column 2 values skipping and values that are null or zero.

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Dec 3, 2012

In field A2 I use now() to get the actual date.In colom C8:C1000 I have all monday dates.In colom E8:E1000 I have the weekly sales figures.

How can I calculate the average sales of the last 10 weeks?

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May 3, 2013

I have a pivot that includes customer data and I need to create an average for each row based on the first populated column for each customer. After one month of units appears for the customer, I need to calculate the average going forward, and if there are blanks after that they should be treated as 0 in the average. Below is an example of my description of the pivot.

Jan Feb Mar Apr
Customer #1 1 1 3
Customer #2 1 3
Customer #3 2 2

So, the average for customer #1 would be calculated from Column B to Column E, and factor column D as a 0 in that calculation. Customer 2's average would start in Column C and go to Column E, and factor column E as a 0 in that calculation. Customer 3's average would start in column D to column E.

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Dec 8, 2006

this User Defined Function (UDF) would operate on any specified data (ignoring blanks) over a range. Inputs to the UDF are range and period.

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Aug 29, 2008

I have obtained a function (from this site at Exponential Moving Average) which is supposed to help calculate simple mathematical values but it's not working on spreadsheet. assist with taking a look at this as I have attached the spreadsheet?

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Apr 12, 2008

In the table below I'm trying to work how trend is being produced but I can't figure it out.

I have found how to find the moving average =AVERAGE(C2:C5)

I've tried a few methods using the trend function but I really don't understand what I'm doing. how its being calculated by looking at the table?

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Sep 1, 2008

I have a set of data in column A consisting of over 1200 numeric values. The problem is that there are some blank cells in this column:
Colums A data:120, blank, 135, blank, etc
I need to calaculate the average for the first 25 data and then claculate the average for the next 25 data set dropping the first 5 and adding new consecutive 5 data ignoring all the bank cells!, so if the first statemnet is : averagre (a1:a24), the second statmnet should read (a6:a:29) not counting the blank cells. I don't know what array formula can be used to do this job for me.

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Nov 25, 2006

I have done quite a bit of looking on Google and looked over the posts in this forum, however, I can't find an example Excel worksheet for a linear weighted moving average.

The data set I am applying this to has 180 data points and the linear weights should extend back over the last 30 points.

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Mar 30, 2007

I am using the built in moving average function to calculate the moving average of a set of numbers. There are a few things that i would like to do.

First i would like to have the last result displayed in a single cell. Then next to that cell i would like to have a cell that would specify the period of the moving average. I would like to be able to change the period in that cell and have that change it in the actual function. And finally i would like to have the moving average in a chart that would also change its period once that is changed in the respective cell. I realize that this might need some VB coding which i am currently learning.

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Mar 15, 2014

I would like to calculate the moving average for the first ten rows in a column where each new entry is added to the cell above the last entry.

For example

A5, 2
A6, 3
A7, 4
A8, 5
A9, 6
A10, 7
A11, 8
A12, 9
A13, 10
A14, 11
A15, 12

Therefore in the current list the average is AVERAGE(A5:A14)=6.5.

The next entry added to the list will be in cell A4 making the list look like this

A4, 1
A5, 2
A6, 3
A7, 4
A8, 5
A9, 6
A10, 7
A11, 8
A12, 9
A13, 10
A14, 11
A15, 12

The average of the first 10 cells is now AVERAGE(A4.A13) = 5.5

I would like to enter one formula in say cell A1 that will calculate the moving average in the first ten cells each time a new entry is added. Naturally as needed, new rows are added below cell A1. I hope my problem is clear.

as I have been unable to solve it myself. I have tried using offset but have been unable to resolve the issue.

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Aug 15, 2007

I have a column of data that contains various blank cells where no data was measured. In the adjacent column I want to take the moving average of the last 4 data points including the most recent entry. My problem is i do not know how to handle blank cells where there was no data. I need it to average the last four in the column where data acutally exists. I am ok with using helper cells if needed and I am not worried about the first four results at this time.

Example data


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Dec 2, 2012

The following code works fine if the data is sorted from oldest to newest. I need for it to work when the data is sorted from newest to oldest. For this to work, I would need a change that works something like this: "total1 = total1 + close_(a, 1) * a" would be "total1 = total1 + close_(a, 1) * b" with "b" incremented in the opposite direction of "a". I code very infrequently & have tried a lot of different things, searched the Internet, etc. all to no avail.

For instance, with "close" data in column "I", the data sorted as follows works with the formula
"=WMA(OFFSET(I2,0,0,9,1) )" to correctly return "791.50", but the opposite sort returns the wrong number.

The correct calculation is: (807.19*9+798.38*8+793.81*7+793.06*6+776.28*5+769.48*4+773.2*3+789.01*2+793.87*1)/(9+8+7+6+5+4+3+2+1).


Public Function WMA(close_)
total1 = 0
n = WorksheetFunction.Count(close_)

divisor = (n * (n + 1)) / 2

[Code] ..........

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May 4, 2008

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May 19, 2008

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b. This will then allow me to calculate a moving average of the last 30 (1 minute) observations.

c. At 9.31am, the 9.00am value drops out of the column and is replaced by the observation at 9.31am. This results in a constantly updating column of the last 30 minute observations and will allow me to have a realtime moving average.

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i currently have a what if statement

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Therefore all options are

3-6 WKs
< 3 WKs
> 6 WKs

I have mastered 2 but now need a 3rd.

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Feb 27, 2009

I have a spreadsheet that I am using to try to track Project Man Hours. What happens is:

I enter in the amount of weeks a Project Phase is in and when the Project Starts. I also enter in how many "Men" we are going to need.

i.e. Project Start - January 2009
Phase 1 - 4 weeks with 1.5 Men
Phase 2 - 20 weeks with 2 Men.

What I want to happen is:
Excel then adds that data to a chart showing EACH MONTH and the amount of men needed for each phase.

Project 1 showing a line chart with January-December and the lines correlating with the amount of "Men" needed each week based on the Start Date and Sequential Phase Week Amounts.....

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Feb 4, 2013

Here is what I have and am trying to do:

I entered the date and day in this format in multiple sheets in workbook 1 (named 0101, 0102, 0103) from the start of the year to last night (B2:C4):

Date:January 01, 2013

I then entered all the data needed below that (B5:E26):

TimeTransactionsTotal SalesAverage Sales
12:0039 $352.97 $9.05
13:0053 $416.98 $7.87
14:0044 $339.42 $7.71
15:0043 $304.96 $7.09

In workbook 2, I have sheets named for each day of the week. I would like to take the information from the previous three weeks for each corresponding day from workbook 1 and put the averaged data into another table with the data all formatted the same in workbook 2. This way, each week when I go into the aggregate file (workbook 2), I can look at the chart I'll create and see the average of the past three weeks transactions, total sales, and average sales for each hour of the business day and be able to staff accordingly (assuming the trend continues).

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Have been going round and round on this! I have a set of data that shows sales dollars by weeks. Currently, that data is in a Pivot table. I'd like to have a macro that selects the weeks (1-52) based on my input. For example. If I want to see weeks 5-52, I want to be able to input "5-52" somewhere and have a macro run that will select weeks 5-52 in the pivot table instead of having to go in and manually select each.

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Nov 20, 2008

I have data as follows:

id | name
0 | axe
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3 | pencil
4 | fist
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9 | rifle

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- e.g. pencil gets moved from row#2 to row#3

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Sub Worksheet()
If Sheets("Text").Range("z6") <> 0 Then
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Oct 8, 2011

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The number of supplier codes will be different every day and the number of rows within each supplier number will also vary. Each new datafile that comes in daily creates a new file do I do not have to worry about existing values only what the current file contains. I have used the following code to move data based on a known constant before but dont know how to tell the macro "move all the data while the value stays the same"

Sub DiffOrderNo()
Dim totalrows As Long, row As Long
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[Code] ...........

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Jan 30, 2013

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Sub moving()
Dim x As Integer
x = 0
Do While x < 12
x = x + 1
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to elaborate further:

wanted to get the ageing days between todays date and item manufactured date:
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