Calculating A Geometric Mean With Some Negative Values 


Calculating A Geometric Mean With Some Negative Values  Excel 
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I am trying to work out how to calculate the geometric mean of a series of values, some of which are negative, ie. investment returns over a series of years with some negatives.
The Geomean function doesn't work because it only uses positive numbers.
Any help would be greatly appreciated.
The Geomean function doesn't work because it only uses positive numbers.
Any help would be greatly appreciated.
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Hi folks,
Hoping someone can help me quickly as I'm pulling my hair out and have a deadline getting too close.
Been trailing the net and this board but can't work out how to do a simple variance.
How do I work out the difference between two numbers  including negatives.
If the numbers are all positive, it's fine as it's simply a case of A  B = C which is your difference. However, that doesn't work if B is negative.
I need a formula that would give the following:
First Number / Second Number / Difference
1 / 5 / 4
1 / 5 / 6
1 / 5 / 6
1 / 5 / 4
5 / 1 / 4
Hopefully there's a simple function I've been missing.
Thanks in advance, R
Hoping someone can help me quickly as I'm pulling my hair out and have a deadline getting too close.
Been trailing the net and this board but can't work out how to do a simple variance.
How do I work out the difference between two numbers  including negatives.
If the numbers are all positive, it's fine as it's simply a case of A  B = C which is your difference. However, that doesn't work if B is negative.
I need a formula that would give the following:
First Number / Second Number / Difference
1 / 5 / 4
1 / 5 / 6
1 / 5 / 6
1 / 5 / 4
5 / 1 / 4
Hopefully there's a simple function I've been missing.
Thanks in advance, R
So I've got some data, which has the approximate form of a sine function. I want to find all the xaxis intercepts. I tried using the intercept function and swapping around the y values for the x values, but it only returns 1 value (so I'd guess it uses a linear regression to estimate a single line through the axis).
I was thinking of trying a nested if/and statement but I haven't quite figured out how to do it. Basically I want to identify the two values where it switches from positive to negative and also indentify the values where it goes negative to positive, I can then fit a straight line between them to find a better approximation of the intercept (though it might not be necessary). Preferably I'd like it all one function as I'm not doing it in VBA (I might do later though, we'll see).
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I was thinking of trying a nested if/and statement but I haven't quite figured out how to do it. Basically I want to identify the two values where it switches from positive to negative and also indentify the values where it goes negative to positive, I can then fit a straight line between them to find a better approximation of the intercept (though it might not be necessary). Preferably I'd like it all one function as I'm not doing it in VBA (I might do later though, we'll see).
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Hi there. I know it sound like a really simple thing but its really stumped me.
Instead of the y axis being on the left hand side, i wish for it to cut at 0,0. I have positive and negative values and I need it to be in the centre instead of on the left.
I have tried formatting both the axis and it would appear that the x axis already cuts the y axis in the right posistion so i need to format the x axis to make the y axis cut it at 0,0. I have already tried typing in 0 instead of 1 and it keeps saying it need to be number more than or equal to 1.
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Instead of the y axis being on the left hand side, i wish for it to cut at 0,0. I have positive and negative values and I need it to be in the centre instead of on the left.
I have tried formatting both the axis and it would appear that the x axis already cuts the y axis in the right posistion so i need to format the x axis to make the y axis cut it at 0,0. I have already tried typing in 0 instead of 1 and it keeps saying it need to be number more than or equal to 1.
Any help would be greatly appreciated.
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lets suppose my numbers a 1,2,3,4,5,6,7,8,9,10,11
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I have a spreadsheet where I need to calculate the increase in % one year over the other in column D for Eg if Profits are 95415 in Jan 2008 (Column B) and 80215 in Jan 2008 (Column C), then the % Increase will be (9541580215)/80215 *100
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Regards
Howard
http://www.mrexcel.com/forum/showthr...ghlight=howardneed
I can calculate the formula for this , but the problem comes where for eg there is a loss in Jan 2008 for 95415 and there was a profit in Jan 2007 for 80215. How do I set up formula to take negatives & positives into account in calculating the increase or decrease/
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Howard
http://www.mrexcel.com/forum/showthr...ghlight=howardneed
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I also tried to use the CELL function's color feature, but I couldn't get it
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=CELL("color",cell)
It might just be that I don't know what this means in Help:
"color" > 1 if the cell is formatted in color for negative values;
otherwise returns 0 (zero).
Can anyone help?
the SUMIF function to sum only the cells in the range that are colored. Can
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colored in a formula.
=CELL("color",cell)
It might just be that I don't know what this means in Help:
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Thanks,
YV
for example: if an employee works 10 hours a day we would not count towards overtime until the employee completes a 40 hour work week.
Any suggestions would be greatly appreciated!!!!!
Thanks,
YV
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Thanks.
I'm a bit of a newbie with Excel, but...
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Thanks.
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Thanks.
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I have created a complex formula to help me calculating Golf handicaps for players.
The formula is in the first cell and I want to drag the formula across to the right to cover the 18 holes.
But ALL the values change and I want some to change and some to stay constant.
How do I tell excel to drag the formula across but keep certain parts of the formula the same..ie ....=D11.... in the formula when dragged across doesn't go D12,D13;D14 in each cells formula and should stay as D11 for all.
Many thanks for your help
Ole
I have a spreadsheet set up with an employees information, including the start date. After each year that the employee is working, he gets bumped up on the pay scale. For this reason, I only need to know how many years the employee has been working, rounded down to the nearest year.
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=((TODAY()B4)/365)&" YEARS"
This function gives me a number with many decimal places.
I tried:
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It tells me I have too few arguments. Please help!
This is what I have so far (hire date is in column B):
=((TODAY()B4)/365)&" YEARS"
This function gives me a number with many decimal places.
I tried:
=ROUNDDOWN((TODAY()B4)/365),0)&" YEARS"
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HELP!!!
bring up a menu anymore. It happens only when I'm in Excel only... it still
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when I'm in Excel. I've tried Options and Customize... nothing there seems
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Hello,
I have two columns of data: column A contains the date and time in the form dd/mm/yyyy. Column B contains a number value. All the times are in order, so column A looks like:
01/01/2007
02/01/2007
03/01/2007
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I have two columns of data: column A contains the date and time in the form dd/mm/yyyy. Column B contains a number value. All the times are in order, so column A looks like:
01/01/2007
02/01/2007
03/01/2007
I have data from 2007 to 2010. I need to calculate an average daily value (in column B) for each month, and display it in column C. So, for January, I need to calculate the average of 31 days, February, 28 days, etc.
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Many thanks,
Caitlin
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Thanks
Is there a formula so that when I drag C1 horizontally into D1, E1, F1, ..., the values placed in each cell will be =A2, =A3, =A4, ...
I do not want to transpose the values from column 1 into C1, D1,.... I want these cells to have a formula that links them up to column 1's values
Thanks
Hi there
I am trying to calculate our On Time Delivery. I want this as a simple percentage of jobs. I have got this running in the following way:
Column M  Estimated Delivery dates
Column N  Actual Delivery dates
Column O  =IF(SUM(M2N2)>0,1,0)
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This seems to work fine. My problem is, if we enter a date in Estimated without a corresponding Actual date, the formula for Column O fills out anyway and improves our On Time Delivery Percentage. How can I set this up so that the formula doesn't calculate if there is no data in Column N?
Any help much appreciated
Thanks,
James
I am trying to calculate our On Time Delivery. I want this as a simple percentage of jobs. I have got this running in the following way:
Column M  Estimated Delivery dates
Column N  Actual Delivery dates
Column O  =IF(SUM(M2N2)>0,1,0)
Then I have calculated On Time Delivery as: =SUM((SUM(O2:O252))/(COUNTA(N2:N252)))
This seems to work fine. My problem is, if we enter a date in Estimated without a corresponding Actual date, the formula for Column O fills out anyway and improves our On Time Delivery Percentage. How can I set this up so that the formula doesn't calculate if there is no data in Column N?
Any help much appreciated
Thanks,
James
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Im unable to put any pics up as my work pc has java disable so photobucket ect won't work but has anyone else come across this problem and how did you rectify it? A search macro perhaps?
Im unable to put any pics up as my work pc has java disable so photobucket ect won't work but has anyone else come across this problem and how did you rectify it? A search macro perhaps?
Hi
I am brand new to Mr. Excel and would love some advice.
I searched the boards pretty extensively but could not find what I am looking for...I apologize if this is a duplicate.
I am using Excel 2007
How do you automatically add rows and update values for cells to a linked worksheet in which rows have been added? For example: Sheet 1, columns A & B are linked to Sheet 2, columns A & B. Sheet 2 has values in A1:A5 & B1:B5 and Sheet 1, since it is linked, has the same info. I want to add a row in between 3 & 4 on Sheet 2 and want Sheet 1 to automatically add the same row and update the value of the cell in column A & B.
Any help is greatly appreciated!
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I am brand new to Mr. Excel and would love some advice.
I searched the boards pretty extensively but could not find what I am looking for...I apologize if this is a duplicate.
I am using Excel 2007
How do you automatically add rows and update values for cells to a linked worksheet in which rows have been added? For example: Sheet 1, columns A & B are linked to Sheet 2, columns A & B. Sheet 2 has values in A1:A5 & B1:B5 and Sheet 1, since it is linked, has the same info. I want to add a row in between 3 & 4 on Sheet 2 and want Sheet 1 to automatically add the same row and update the value of the cell in column A & B.
Any help is greatly appreciated!
John
Great tip! But one thing: On my machine (Excel 2008 Mac), the values in the formula cell are not correctly calculated simply by dragging. Instead, the values are equal to the cell above (the first entry formula value). To get the correct value, I need to click in the formula bar and then hit enter. (I only discovered this after an hour of tinkering, figuring I had botched the formula!)
Are there any ways around this so that it updates upon dragging the formula?
Are there any ways around this so that it updates upon dragging the formula?
This formula is supposed to calculate difference between today and date hired to give years and months of service. Works fine for all except if the person was hired in year 2000 then this formula shows 110 y. Any one know how to fix this? or have a different formula that works.
=DATEDIF(E21,TODAY(),"y")&" y "&DATEDIF(E21,TODAY(),"ym")&" m"
Thanks
Rick
=DATEDIF(E21,TODAY(),"y")&" y "&DATEDIF(E21,TODAY(),"ym")&" m"
Thanks
Rick
Regarding Charts in Excel:
Is there a way to have the Min and Max values adjusted dynamically for the Scale of the values being displayed ??
I know that I can use named ranges to display various sections of data  month by month, or quarter by quarter, for example.
But when the value of these ranges vary greatly from section to section I end of having to manually go and adjust the Min and Max values of the chart scale.
For example, if I was looking at a graph of the S&P 500's prices last November, a Min and Max range of 750 to 1200 would be fine. But if I had a dynamic range established and scrolled over to view the S&P 500's prices for this past February, I would need a Min and Max range of around 650 to 850.
Is there a way to have these Min & Max values adjust automatically depending on the values being displayed ??
Thanks
StanSz
Is there a way to have the Min and Max values adjusted dynamically for the Scale of the values being displayed ??
I know that I can use named ranges to display various sections of data  month by month, or quarter by quarter, for example.
But when the value of these ranges vary greatly from section to section I end of having to manually go and adjust the Min and Max values of the chart scale.
For example, if I was looking at a graph of the S&P 500's prices last November, a Min and Max range of 750 to 1200 would be fine. But if I had a dynamic range established and scrolled over to view the S&P 500's prices for this past February, I would need a Min and Max range of around 650 to 850.
Is there a way to have these Min & Max values adjust automatically depending on the values being displayed ??
Thanks
StanSz
Hey
I have three columns containing last name values from 3 different sources that I've brought into one sheet. I am trying to find a way to compare all three values to establish if they are the same.
Of the three values there is no master, Each value may be different. So essentially it would be like doing =IF(a1=a2=a3,"match", "nomatch")
But of course this isn't possible.
I don't care about obtaining detail about which value matches which. I just need true or false response as to whether all three values are the same or not.
Thanks for any help anyone can provide.
Aaz
I have three columns containing last name values from 3 different sources that I've brought into one sheet. I am trying to find a way to compare all three values to establish if they are the same.
Of the three values there is no master, Each value may be different. So essentially it would be like doing =IF(a1=a2=a3,"match", "nomatch")
But of course this isn't possible.
I don't care about obtaining detail about which value matches which. I just need true or false response as to whether all three values are the same or not.
Thanks for any help anyone can provide.
Aaz
Right now I have a sports league with 8 teams, I'd like to create a random 7game schedule where each team plays the other team only once. Essentially this will be a 7game round robin. However, I'd like to be able to use this for any number of teams and games.
I'd like to do this in Excel, but I can't figure out how to have a randomly generating nonrepeating macro with text values in cells.
So right now I have a column of 8 values and need matrix of 7 columns by 8 rows next to it.
I've found this thread that has one for numbers, but I can't figure out how to do it for text values...
http://www.excelforum.com/excelprog...mnumbers.html
Thanks all!
I'd like to do this in Excel, but I can't figure out how to have a randomly generating nonrepeating macro with text values in cells.
So right now I have a column of 8 values and need matrix of 7 columns by 8 rows next to it.
I've found this thread that has one for numbers, but I can't figure out how to do it for text values...
http://www.excelforum.com/excelprog...mnumbers.html
Thanks all!