Weighted Averages - Accurate Productivity Percentage
Feb 20, 2012
I have a spreadsheet that tracks productivity for various parts being made basically pcs made per hour against how many pcs should be made per hour shown in a percentage of 100 percent
For example: Part ABC - ran 450 pcs per hour. The rate is 9500 so it ran at 4.74% of the goal
The machine runs about 50 parts.
They had me create a sheet/chart to graph productivity. They told me to just take an average of all the percentage rates the individual parts are running at.
I believe this is where a 'weighted average' should come into play? Taking an average of all those averages is not going to give an accurate overall productivity percentage is it?
How would I go about making a 'weighted' average (if that is indeed necessary) to get an accurate productivity percentage?
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May 21, 2014
I created an Excel tool into which really thousands of records are based on weighted averages calculations. And discovered Excel struggling in term of permormance.
The issue is: the user needs to uploads a couple of times in a day new data for further analysis, and the only way to make the Excel spreadsheat humanely usable (performance) was to calculate everything upfront.
To optimize the tool performance, I had to:
- First I made all weighted average calculations upfront when data is uploaded the first time. Leaving formulas in the tool was not viable, since this tool run live analysis, every click would have been a pain of 30 sec at best to re-calculate new conditions,
- Second optimization was to not leave formulas into columns > as soon as a calculation is done, the macro copy/paste values
The formula I chose is sumproduct based weighted averages..
Here is my question:
1. Does it exits specific formulas in Excel to handle nicely large amount of weighted averages to calculate ?
2. Should I consider to use an external application (an Access table, SQL or whatever) to perform those weighted average calculations quickly/quicker.
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Jul 6, 2009
DATA: D1:D11 contains either blank cells or a dollar figure from a payroll check.
E1:E11 contains either blank cells or the date of the check.
Current Situation: Using the following formula I obtain a weighted average of the pay checks, not including the largest. =(SUM(D1:D11)-MAX(D1:D11))/(COUNT(D1:D11)-1)
Problem:
I desire to calculate the weighted average based on the checks issued only prior to a certain date. I have used SUMIF() in other parts of the workbook successfully but needing to withold the largest value has presented me with a problem I can not find a solution to. =SUMIF((E1:E11,">="&TargetDate,D1:D11)-MAXIF(E1:E11,">="&TargetDate,D1:D11))/COUNTIF(E1:E11,">="&TargetDate,D1:D11)
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Aug 16, 2014
I am looking for a way to get a weighted average to work without the need of helper columns, when my weights are stored in one range, and the actual values are stored in another range, but might not be sorted in the same fashion.
For example; range 1 might be:
Weight
Homework 120%
Pre-Exam 30%
Exam 50%
But the range for student's scores might be in a slightly different order:
Scores
Exam 90
Pre-Exam 72
Homework 1 81
(Note that this is a greatly simplified example and that just resorting would be impractical).
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Dec 31, 2008
On another thread I found a solution to creating a weighted average given a pair of columns of numbers but I have column B consisting of values given as High, Medium and Low and the weighted column C of 1, 2 or 3.
How can I use the formula below to accomplish this, or is this maybe not the right way to created a weighted average?
=SUMPRODUCT(B2:B11,C2:C11)
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Mar 19, 2013
I am trying to calculate final grades with weighted averages. However for the final grade I need to drop the lowest of the test grade which come after the bold line to the right, making the total relative weight of Tests, the weight of 2 tests. How would I go about calculating that with a SumProduct formula? I do not need to drop grades from B4:K4, however from L4:N4 I need to drop the lowest grade for my final grade, which needs to be rounded to the nearest integer. The relative weight of each assignment is given in Row 1.
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Oct 18, 2007
In my spreadsheet (testing.xls) I have a chart to mark the quality of a phone call based on a list of 8elements being judged. I have a likert scale for the quality result for each element, say for example 5 for highest, 3 for average, 1 for the poor, 0 for very poor and NA for an element which is not counted.
At the bottom of my table I have a cell where it would work out the % based on the outcome of the result from the different cells being ticked, what would i need to do to have excel work this out for me? Please bare in mind that if there is for example 1 element out of the 8 elements marked as NA the result would be divided 7 instead of 8.
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Jun 8, 2008
I am making a spreadsheet that requires multiple dates and percentages. Is there any way that I can make the percentage that is related to the most recent date weighted more than a percentage with a date from a month or two ago?
For example:
X//Y//DATE
90%//85%//3-March
85%//70%//21-May
87%//90%//6-June
Is there formula so that I can have the 90% and the 87% be the most important (or weighted), the 70% and the 85% be the second most important, and the 85% and the 90% be the least important when I average them out?
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Dec 25, 2013
I am looking to create an invoice details in excel where it correlates to the payment schedule. and the schedule is biweekly starting jan 3rd
I want to also match the start dates to each invoice date, where the invoice date is every 7 days (on a weekly basis)
But, I'm looking to have the invoice date driven in accordance to the employees start date
I'm doing this for a friend, but i'm not sure exactly what he is looking for, and what I have to do in excel
Does he just want me to keep on filling out employee 5 to finish the process?
Or should I create a separate column for each employee for it to be more detailed?
The Overall goal is to get an accurate cashflow
Attached can see what excel sheet looks like : excel.jpg
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Oct 2, 2013
I need to create a Report on a Daily Basis and there are certain things which I need to check to ascertain whether the report is accurate..
These checks are done on several sheets which confirm the report is accurate like the Total Count of Employees should be equal to the COunt of Zonal heads and the Cluster Managers in one of the Sheets..
So, without going in each sheet to do the same is it possible to achieve the same using a Macro..
Like some MsgBox which pops up when I click on a Command button "Check"..
Then If I get an Intel in a msgBox then I can go in that sheet to check or take some action or else just exit sub..
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Nov 8, 2011
I'm looking to find a accurate average based on some data points. The issue is that some service times are 0 and so are considerably larger than the norm. So...
17
18
12
13
14
12
10
5
5
0
0
Assuming the following data 12,13,14,12,10 are probably the most accurate and all other are not.
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Jan 21, 2008
I m working with a workbook containing a work sheet for every day of the months productivity. Each work sheet contains the employees name and ID number in first two columns with 18 additional rows of data. I've created a master sheet which keeps track of the entire month production but I would like to be able to count the employess from each of the 28-31 sheets within the workbook.
On a given day depending on the day of the week, I may have 8 on staff or 27. Names and ID number are always in the same columns from a different reporting software which generates excel reports.
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Jul 25, 2014
I have created a table to record the daily hours worked by staff, however ,since the data I'm dealing with is quite large (over 300,000 rows), I need a function/formula to make populating the table quicker and less daunting.
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Nov 6, 2009
i m trying to work out the productivity of employees based on how many hours they work (Time in Back Office). How many pieces of work they complete(Back Office items Completed) if 1 piece of work should take 7 mins. the item in red is what i cant seem to figure out.
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Mar 21, 2013
I'm trying to work out the productivity of something per hour but I'm having a bit of trouble with dividing time in Excel.
Basically I've got
A1 = # of Sales (e.g. 5)
A2 = Total time worked (e.g 07:36:00)
I want C1 to show me how many Sales are made per hour.
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Jul 10, 2006
I have a file to calculate bonus based on productivity. The bonus percentage is dependant on productivity percentage and the category of employee. I have given in the below attached file, the range of productivity% and the bonus % for each category. I want to build a formula, to get the bonus % in a seperate table. I tried to do the same using "If" condition, but its not working, as the number of nested IFs are going beyond 7. I have highlighed the column where I want to calculate the formula.
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Mar 8, 2014
production01.png
I am trying to figure a way to search for a cell that has a specific date and time range. There are several cell titles pending on the activity. I want to find a cell that has a time ** 7:30-15:30 , 15:31-17:30, 17:31-20:30. The end result is to calculate the activity between those time periods based on the data cells.
Example
If the date searched time field ** the activity ranges is 1635 I need to split the time and credit the activity time in the 730-1530 time and the rest on the 15:31-17:30 time
I have been able to do it on a single labor group based on time alone, but when I try to add the DATE to it my numbers go null. Eventually i will need to add 11 labor groups daily for weeks at a time .
Excel 2007
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Apr 3, 2013
I have a workbook that I've built for a project. I've attached a sample workbook. What I'm trying to do, for the entire sheet or workbook if possible, is turn any Cell with a percentage of 30% to 49% yellow and any cell with a percentage of 50% or more Red. I would also like to move the ID's of the variable cells, for example Id number 9922, to the cells beside the description of the rows, Affected would be an example, if the information contained in the same row as the ID meets with a set of variables.
For example I only want the ID's moved if they correspond with IDsub 1-25. One more thing, the people who will be using this spreadsheet will be copying data from a website when it is imported it does not insert the values as numbers. I would like to format the cells, in example workbook they would be any of the cells labeled ID IDsub Variable or Number, so that anything put in that cell will automatically be converted to a number.
I should also probably add that the formatting will be done on approximately 80 rows a sheet with 47 sheets.
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Nov 2, 2006
Is there any way to do a weighted median in Excel?
Consider this example: ....
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Jul 25, 2007
I have a large dataset that includes information on the investment payout ratios of US companies over the period 2004-2006. I need to calculate the weighted average investment ratio for each company---see sample below
Microsoft Excel - example.xls ....
[HtmlMaker 2.42] To see the formula in the cells just click on the cells hyperlink or click the Name box
PLEASE DO NOT QUOTE THIS TABLE IMAGE ON SAME PAGE! OTHEWISE, ERROR OF JavaScript OCCUR.
The corresponding weight for each year must be as follows: 0.5 for 2006, 0.3 for 2005 and 0.2 for 2004. Then, for company A, the weighted average will be: (0.5*B2)+(0.3*C2)+(0.1*D2) = 7.8 (see cell E2)
The problem is that for some companies there are missing data for some years. For example, for company B, there are no data available for year 2004. In this case , the weights have to change to 0.6 for 2006 and 0.4 for 2005. Then, the weighted average investment for company B will be (0.6*B3)+(0.4*C3) = 16 (see cell E3). Similarly, in cases when there are data for only 1 year , the weight has to change to 1. Then, for company C the weighted average is 35 (see cell E4)
Is there any formula to give me the weighted average as it appears in column E without having to adjust it for each single case?
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Mar 15, 2008
I'm doing a GCSE project for which I need a little help with Excel.
I have a set of data about a persons monthly spending habits on
Food 300
Entertainment 200
Clothing 100
Transport 260
The pre calculated budget allowance for the month was 500
I would like to write a formula that would do the following; give the person an score out of 1.1-10 based on how well he spent on the above items which are in order of priority (i.e. it is better to spend more on food than on entertainment etc) And then an over all score (1.1-10) that will reflect how well they spent.
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May 1, 2009
In Col DL are digits ranging from 1-36, in Col Dm are the number of times they were drawn in 36 draws. I have a weighted avg formula in Col DN, that I found thru search, but it doesn't appear to be working right or maybe I don't understand the formula. I have no idea if this can be done.
************************************************************************>Microsoft Excel - F5 HOT-COLD.xlsx___Running: 12.0 : OS = Windows XP (F)ile (E)dit (V)iew (I)nsert (O)ptions (T)ools (D)ata (W)indow (H)elp (A)boutDN3DN4DN5DN6DN7=DLDMDNDO2DIGITSHITS 34125 47105 53395 62185 72885 DIGITS [HtmlMaker 2.42] To see the formula in the cells just click on the cells hyperlink or click the Name boxPLEASE DO NOT QUOTE THIS TABLE IMAGE ON SAME PAGE! OTHEWISE, ERROR OF JavaScript OCCUR.
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Nov 10, 2009
I have a spreadsheet which basically looks like this
2, 5, 15, 20
2, 8, 12, 13
2, 7, 19, 46
F, 1, 10, 26
P, 1, 10, 39
P, 6, 22, 89
P, 7, 14, 46
P, 2, 11, 14
...
Column A is the key. If multiple rows have the same key, they're related.
The last column (DX on my spreadsheet) represents minutes participated, and is the weight variable. The middle columns are data that I'd like a weighted average for.
Here is the output I'm looking for given the above example:
2, 6.66, 16.83, 79
F, 1, 10, 26
P, 4.91, 16.73, 188
Column A remains the same, with one row for each key. The middle columns have their weighted average (where 6.66 = (5*20+8*13+7*46)/(20+13+46)), and the final column (DX) is the sum of minutes for all like keys.
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Nov 16, 2009
I have long lists of data which has name of manufacturer, number of items and fault rates of items.
E.G
Manufacturer.......Number of Items......Fault Rate
Dell....................40000....................0.2%
Dell....................42200....................0.4%
Sharp.................303003..................0.1%
Microsoft.............312340..................0.04%
Dell....................3249321..................1%
Panasonic............300020...................2%
I need to find the weighted average of each manufacturers fault rate for just themselves, and also how the average of all the manufactueres would be if they weren't in it.
So for example for Dell I would need their weighted average of their three data entries and also then the weighted average of Sharp, Microsoft, Panasonic together.
I have been doing this by splitting the data into sections so for the example above I would do:
Manufacturer.......Number of Items......Fault Rate
Dell....................40000....................0.2%
Dell....................42200....................0.4%
Dell....................3249321..................1%
Panasonic............300020...................2%
Sharp.................303003..................0.1%
Microsoft.............312340..................0.04%
I would sum the Dell items, then sum the number of items excluding Dell then do two weighted average calculations giving me the ones that include then the ones that exclude Dell.
Then I would do...
Manufacturer.......Number of Items......Fault Rate
Sharp.................303003..................0.1%
Microsoft.............312340..................0.04%
Dell....................3249321..................1%
Dell....................40000....................0.2%
Dell....................42200....................0.4%
Panasonic............300020...................2%
And do the same process but with Sharp totals etc then move onto the next one.....
This example is with a very small data set so I'm sure you can see that this process is very time consuming, but I don't know any other way of doing it without splitting out the data first.
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Jan 22, 2008
I am trying to find a formula that will calculate a running total of employee time off. Time off is recorded in Excel spreadsheets that I created. V = vacation, S = sick, PD = personal day, and so on.
For example: If a V is entered in any cell in their attendance worksheet, I would like for a 1 to display under the vacation total column. The next time a V is entered in, I would like it to update the cell containing the vacation days used for the year to 2. If a 1/2 V is entered, a .5 would be added to the total used.
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Jun 5, 2007
I am working on a spread sheet and am trying to use rolling averages of the last 3 months. I am using worksheets for each month with a final worksheet containing the 3 mo. rolling average. I tried using a formula with OFFSET and it worked fine if all the data was in 1 worksheet, but did not work for multiple worksheets averaging to another worksheet in the same workbook.
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Jan 13, 2009
I am trying to work out the average volume of our daily downloads. I have used Vlookup to automate this. When there is no data it returns #N/A which is no problem. The problem arises when i try to work out the average for the month or peaks (MAX sum).
I have tried several variations of sumif/if/isna etc etc and am not having much luck. Below is an example of what i am trying to average out:
#N/A620#N/A
That is 4 different days download data - I want it to ignore the 0's and #N/A and return the average for the days we actually had a download.
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Feb 2, 2009
If I have a varying number of figures(say between 4 and 10) which I want the average of the first half of the set and an average of the second half, is there a function which I can use to calculate this? ie if there is 8 numbers in total then I need the average of the first four and last four... but if there is ten figures total then I need the average of the first five and last five.
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Mar 8, 2013
I have a spread sheet with col's that I want to average their totals, but would like them to be rounded up or down.
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Apr 7, 2013
I am using the formula =AVERAGE('Year 13'!BV:BV) to work out the average value in column BV.
However, I would like the value to change if I filter one of the other columns, is there any way to do this?
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