Unexpected Standard Deviations Results
Dec 2, 2009
In the attached worksheet, we track thickness of a variety of products and record them based upon lot number. I am trying to perform statistical analysis of those products and plot the averages.
Our products are in roll form. We cut to specific widths and lengths from these "master" rolls. We take 3 measurements across the width and several times throughout the roll length. We can have multiple rolls making up 1 lot and due to demand switch between products and try to use FIFO but that doesn't always work. I have keying in historical data and realized my standard deviation is way off but I don't know why.
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Aug 20, 2014
How to change color of the cells that are between the average and 1 standard deviation. The rules that I applied are 1. 1 standard deviation above change to Yellow, 2. 2 standard deviation above change to Orange, 3. 3 standard deviation above change to red 4. equal and below change to green. However when I apply these rules then everything within the average and 1 standard deviation remains white. I have attached my excel file.
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Oct 1, 2009
The problem is that Excel always stop when it found a condition being "true".
I have table with a range of percentages and a "standard percentage value"
I now want to highlight all percentages into three traffic light colours depending on whether they are:
1. 80% greater or less than the standard value (RED)
2. 50% greater or less than the standard value (ORANGE)
3. If else then they are ok (GREEN).
in addition it would be nice to have those boxes which display 0 in blue.
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Aug 13, 2013
I am trying to design a function that grabs an average of only numbers that are within a certain deviation of the mean. I got the plan down, and have done this before without VBA, its just a user defined function will be much quicker.
The gist of what I am doing: Find the standard deviation of a range and then only find the average of numbers that fall within n deviations from the mean. I am stuck with the part that I would normally use an array code for. Here is what my array would look like:
{=AVERAGE(IF((nums>high)*(nums
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Sep 14, 2005
The following are a few of generally accepted values: ...
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Nov 6, 2009
This is a floowup to the issue that was originally posted as "Returning MAX/MIN values from multiple rows in a named range ". I marked that post as solved since I have worked through part of the issue and since have a different one.
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Apr 13, 2012
I have customers returning however sometimes they will have spelt their name wrong or date of birth wrong.
Can I find these deviations for text? I've heard of Standard Deviation does that only apply to numbers?
For example if I am David Smith, and I come back as Daivd Smith, can excel tell that this is very close to David Smith?
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Jul 21, 2009
I'm using the following formula to calculate the % relative standard deviation of 5 values:
ROUND((STDEV(C8:C12)/AVERAGE(C8:C12)*100),6)
where C8 through C12 are all 3.48.
I was surprised to see the result of 0.000002, and not 0.000000. This formula seems to be accurate to 6 decimal places when using 5 values that are not all the same. When they are the same, I get this small discrepancy in the 6th decimal place. I attempted to troubleshoot by inspecting C8 through C12. The values were typed in as seen above (3.48) and the cell formatting is set to 2 decimals in each of these cells, so the cells themselves shouldn't be contributing to the issue.
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May 28, 2008
time-to-time an unexpected eventcode appears in my worksheet modules
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Dec 19, 2009
Have an optimization question for you. I'm starting to try to optimize my macros and I've heard/read it's best to not activate or select anything. - I assumed that meant it would be more efficient to run code without it.
I have a loop I run through about 600 times that takes .75 to .85 seconds to run through with the following piece:
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Jan 31, 2010
I've got a user form with 12 textbox, one for each month a total textbox number 13 and a 14th text box (TB28) to enter $'s in.
AfterUpdate in each textbox 1-12 posts its value to a worksheet all values are summed in a =sum range which in turn populates textbox 13. When TB13.text = 100.00 it sucessfully calls a number of routines but what I can't get it to do is set focus on TB28.
Private Sub TextBox13_Change()
If TextBox13.Text = "100.00" Then
With FormPhasedAmt.TextBox28
.SelStart = 0
.SelLength = Len(TextBox28.Text)
.SetFocus
End With
End If
End Sub
It returns a Run time error Unexpected call to method or property access highlighting .SetFocus. The rest of the code works OK. Is it because other textbox on the same user form have text highlighted because of the tab order?
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Apr 18, 2006
I am using the find method to search column headings, and based on the results copy the column to another worksheet. Everything works fine except if I have a mixed text and numeric string in the cell, for example DT35. In this case the macro doesn't copy this column. I have attached the spreadsheet. CTRL - A will run the macro. The macro calls a form with checkboxes, captioned using the values in the worksheet titled "Set-Up". If a value is found in the column heading the checkbox is set to true, then when the "Copy Selected Columns to Final Sheet" button is selected the columns are copied to the "FinalSheet" worksheet. I tried using xlPart instead of xlWhole, and this works but I need to search for exact strings so xlPart isn't a great work around.
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Apr 25, 2014
Using this formula for a bank account,
=IF(SUM(C2-A1+B1)=C1, "match", "NO match")
down a column of about 3000 rows, yields only one cell with an unexpected and probably incorrect response in G2 with a "NO Match" - where the math is correct ?
A B C D
63.58 0.00 -54.97 match
64.57 0.00 8.61 NO match
128.21 0.0073.18 match
201.39
Details:
Attachment is included;
temp2.xlsx
in a bank account file, where "C2" is the previous balance, "C1" is the current balance, "A1" is any check written, "B1" is any deposit applied.
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Dec 3, 2013
In the attached file I used =MATCH(TRUE,INDEX($B$2:$B$10="",0)) to retrieve the location of the first empty cell.
When using the "Evaluate Formula" tool, it is clear that the position in the array created by the INDEX function is the 6th. Nevertheless, the final outcome is 9, being the last cell in range.
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Sep 21, 2009
I have a macro, operating in my excel document. It works and does it's function. The only problem is every time this macro is running I get the run time error 1004, Method 'SaveAs' of object '_Workbook' failed. After clicking End in the error window it opens up a newly created sheet that I need. I don't need to save the file in the desktop, I need it just to open up like it does right now.
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May 27, 2007
If I create a simple conditional statement in a cell:
=IF(A8="NX-QSNT",B8, "")
I get the expected B8 cell contents when "NX-QSNT" exists in A8, or blank when it doesn't.
If instead of qualifying this full string, I try to Search for the "-QS" string in that cell as the criteria:
=IF(SEARCH("-QS",A8),B8, "")
I get the expected B8 cell contents when "NX-QSNT" exists in A8, but I get "#VALUE!" if it does not find this "-QS" string.
I'm guessing it may be because SEARCH isn't actually returning a TRUE/FALSE response, but rather, a numeric one based on the position of "-QS". I tried using a numeric approach also, but this didn't help:
=IF(SEARCH("-QS",A8) > 0,B8, "")
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May 8, 2014
This relates to this thread - [URL] .....
This is the only macro in this file
[Code] .....
It will perform the sub-totalling for the column that has the current active cell
When I select Column I
It does.....
-for each blue cell it finds it provides a total of all the white cells bellow it
-for each yellow cell it find it provides a total of all the blue cells bellow it until it reaches a yellow cell
It works backwards, so not exactly as I've just described, but that isn't the problem
Problem is -
UK Excel 2010 - results are as expected
US Excel 2010 - returns zero values for totals
We've possibly narrowed the problem down to when it looks at cell properties, more specifically -- If Cells(rowX, 1).Interior.ColorIndex = 20 Then
How to get results in blue and yellow cells when you select a cell in column K then execute the CreateTotals macro.
Attached File : Example-1p.xlsm
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Aug 5, 2003
I have a little spreadsheet aplication which ran perfectly in Office 97, but since the move to Windows/Office XP, I get the message:
Solver: An unexpected internal error occurred, or available memory was exhausted.
I'm running a P4 2.26GHz with 512MB RAM.
My code is as follows:
Public Processing_Message As String, Macro_to_Process As String
Public StartTerm As Integer, StopTerm As Integer, StepTerm As Integer
Public ResultsLabelCount As Integer
Public myErrorFound As Boolean
Public rs As Object
Public ctl As Control
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Jul 1, 2008
When I close one excel document, I get prompted for a password.. And it won't close (I don't know the password) The only way I can get it away is by terminating it in task manager. I have read alot of threads in here, where the solutions should be to uninstall Google Desktop..
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Jul 27, 2006
I am trying to create formula that will show overtime worked in a given day. The code I am using is a simple one ([ cell - 8], for hours worked). The problem is when the time cells are blank/not used it shows a -8 in the cell. what I need to do to create a code that will eliminate the -8 from showing. The cell its self is taking the result from another cell with a formula and then subtracting 8 from the result of the formula in the other cell.
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Mar 24, 2014
Just like sumif and averageif, is there a standarddeivationif?
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Jun 22, 2009
Is there anyway to do a standard dev w/o the max + min in a range of numbers?
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Nov 21, 2006
how can i calculate standart error of mean of a sample?
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Mar 23, 2014
I'm getting a time data on the format "0h 00m 00s" but I can't convert it to a standard "00:00:00" format to properly handle it and I'm not so Excel savvy. I already tried looking for something on google but the formulas for similar issues "0h 0s" or "0d 0h 0h" are not working (I can't find a way to adjust them). For example: I'm have the following data on G3:
0h 37m 52s
and I'm using the following TIME/FIND formula:
=TIME(FIND("h",G3),FIND("m",G3),FIND("s",G3))
but the outcome is "2:06:10" instead of "0:37:52"
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Oct 2, 2008
I use Excel 2000.
I want to hide all toolbars when I work.
I know how to hide them during a session, but when I exit and reboot Excel, the "standard" toolbar always returns.
Is there some way to hide the "standard" toolbar permanently?
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Oct 11, 2013
I have a set of data and need to get Stdev 1, Stdev 2 and Stdev 3 but i honestly not sure what are those. I have attached the file : stdev.xlsx
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Dec 4, 2008
I am trying to learn VBA and started reading Wallenbach's book and I thought the best way to get up to speed fast was to work on some real problems.
So this is what I am trying to do.
I have a list of about 1000 stock price returns in the following format
jan 1 2008 .033
jan 2 2008 .01
jan 3 2008 -.002
jan 4 2008 -.0033
jan 5 2008 .04
What I want to do is calculate in VBA a moving 3 day standard deviation of returns. So I want the first calculation to include jan 1 - jan 3 and place the answer in the cell to the right of jan 3 return. Then move down 1 row and calculate the standard deviation using jan 2 - jan4 and place the answer in the cell to the right of jan 4 return...and so on until the last cell.
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Jun 20, 2007
i'd like to calculate the standard deviation of different items all in the same database
If this would be the database:
a 1
a 2
b 9
a 6
b 5
b 3
c 2
c 5
a 7
Than this would be the result:
item a 2.55
item b 2.49
item c 1.50
I succeeded in doing this via a pivot table but i want to create a calculation as the result should be part of other data in another sheet.
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Dec 10, 2011
The spreadsheet below shows the Date (Column A), Percentage (Column B), and Standard Deviation (Column C). What I would like is a macro that finds the standard deviation for all percentages of a given date, and for the output to be placed in the first cell of Column C of that given date. If a cell in Column C is not the first for a given date I would like for it to be blank.
Date Percentage Stan Dev (Output) 8/19/09 26.75% 0.77% 8/19/09 26.79%
8/19/09 28.14%
8/19/09 26.57%
8/19/09 26.40%
8/19/09 25.54%
8/19/09 26.61%
9/16/09 36.54% 3.04% 9/16/09 37.27%
[Code] .........
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Mar 19, 2009
I was wondering what the best way to create a standard deviation graph was? I have a single row of numbers and need to make a stadard deviation graph.
I read somewhere that the analysis toolpak would be useful for this but having installed it i'm not really sure what to do next.
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