Efficient Lookup Formulas: Calculate The Time
Dec 29, 2007
Im having an awful time with the time it takes to calculate my formulas. I have probably written some of them ineffiecent.
=INDEX( Website_Query!$A$2:$Z$10000,MATCH(1,(Website_Query!$A$2:$A$9725=B1144)*(Website_Query!$C$2:$C$9725="EA "),0),4)
=Q1144*2
=IF(ISERROR(VLOOKUP(A1144,pricing!A$2:AL$1547,38,FALSE)),"",VLOOKUP(A1144,pricing!A$2:AL$1547,38,FALSE))
=IF(ISERROR(Q1144+AR1144),"",Q1144+AR1144)
=IF(AK1086="q2",AL1086+AS1086,IF(AM1086="q2",AN1086+AS1086,IF(AO1086="q2",AP1086+AS1086,IF(AQ1086="q2",AR1086+AS1086,""))))
="q"&INDEX(Website_Query!$A$2:$L$7725,MATCH(1,(Website_Query!$A$2:$A$7725=$B1086)*(Website_Query!$C$2:$C$7725=$C1086),0),5)
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Jan 3, 2008
I am looking for ideas on how to speed-up one workbook. I have a spreadsheet with hundreds of lookup formulas and array formulas which are very slow to recalculate (takes around 5 min). Good thing about it is that these formulas are located in a specific range and that I need to run them only once a day (in the morning). Since I need to refresh the rest of the spreadsheet frequently, I am looking for an idea on how to isolate this resource heavy areas.
One solution I've been thinking about is moving these complex and slow formulas to VBA and run them only when needed. Can anybody assist me with the best and easiest way of doing this. Ideally I would want to leave option to the user to later edit this formula. Does anybody have any experience with weather it is best to migrate complete formulas to VBA or maybe leave formulas in the spreadsheet and run them based on predefined flag (that I can switch on or off from the code)?
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May 27, 2014
how to calculate averages and standard deviations based on different time periods without having to manually change the cells?
example:
1st average output at z3, 1st std dev output at z4
data to calculate from c3:c50
2nd average output at z5, 2nd std dev output at z6
data to calculate from c51:c98
3rd average output at z7, 3rd std dev output at z8
data to calculate from c99:c148
and it goes on based on this sequence. i would like to know how to do this without having to change the cells each time i want to calculate. basically what is the quickest way to calculate following this sequence?
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Dec 11, 2008
I have formulas in a column and they are working unless I edit them to include another function, more cells, whatever, then they display as formulas instead of the result. I've gone to Tools --> Options --> View and the Formulas box is not checked. As well automatic calculation is on not manual.
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Mar 8, 2014
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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 27, 2014
Formula to calculate time allotted minus time used and show the difference in hour and minute.
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Mar 22, 2012
Consider this code:
'light eligibility
Dim facb As String
Dim sunset As Variant
[color=green]' check if facility has lights[color]
facb = WorksheetFunction.VLookup(RID, ds, 10, False) 'find facility code
If WorksheetFunction.VLookup(facb, fac, 6, False) = "Y" Then 'facility has lights
sunset = WorksheetFunction.VLookup(tempws.Range("A9"), sun, 2, False) 'lookup the sunset time based on the record's date
[Code] ......
This code checks the need for lights at a facility.
It first checks to see if the facility even has lights by cross-referencing a value in the record with a facilities database.
If it has lights, it then checks to see if they are needed. If the rental goes past the sunset time, then it needs lights. Sunset is determined by cross-referencing the date value in sheet1! A9, with the sunset database.
If it needs lights, variable lghtson is calculated equal to "sunset"-30 minutes.
As I step through this code:
WorksheetFunction.VLookup(facb, fac, 6, False) = "Y" Facility has lights.
Check to see if lights are needed.
sunset = WorksheetFunction.VLookup(tempws.Range("A9"), sun, 2, False)
sunset=0.879166666666667 which is 9:06PM. This is a proper value from the lookup.
If rental_end.value > sunset Then
rental_end (value from textbox) = "9:30 pm" , sunset=0.879166666666667. This is true, and Excel accepts it as true ...
lghtson = sunset - 0.5
0.379166666666667 = 0.879166666666667 - 0.5 (9:06 AM)
This is not the value I was looking for. I was looking for 8:34PM (0.856944444444444)
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Aug 28, 2009
I am wanting to calculate the the processing time for an order that takes place within normal business hours and workweek. A normal day is from 8:00 to 5:00 If a task is started at 2:00 PM Monday and finished at 10:00 AM Tuesday then the result should be 5 hours as I do not want to include any time outside of normal hours. I can figure out how to subtract dates and times but not how to bridge a day(s). My data is somewhat flexible as I have not started the project yet. I can use separate cells for the times and dates or have two cells that use both incorporate the date and time (8/27/09 2:00 PM) for start and end time or any other idea.
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Jul 1, 2012
I have a problem here:
Eg.
A B C D E F G H I
1 8 pm 9 pm 10 pm 11 pm 12 am 1 am 2 am
2 8 pm 11 pm
3 8 pm 2 am
I typed a formula : =if(and(c$1>=$a2,d$1
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Jun 19, 2014
I have a userform that time stamps on my userform as soon as i open the form, is there a way that when I submit, that the amount of time that I was on the call to be put in my column on my worksheet as minutes?
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May 17, 2014
I found this formula similar to other formula
NETWORKDAYS(D1,F1)-1)*"18:00"-"9:00")+IF(NETWORKDAYS(F1,F1),MEDIAN(G1,"9:00","18:00"),"18:00")-MEDIAN(NETWORKDAYS(D1,D1)*E1,"9:00","18:00")
By the way ....D1 = start Date
F1 = End Date
E1 = start Time
G1 = End Time
It's GREAT! But now I need include time from 6:00 a. m. to 10:00 p. m. (I already modified your formula:
(NETWORKDAYS(D1,F1)-1)*("22:00"-"6:00")+IF(NETWORKDAYS(F1,F1),MEDIAN(G1,"6:00","22:00"),"22:00")-MEDIAN(NETWORKDAYS(D1,D1)*E1,"6:00","22:00")) because are regular working hours in Colombia but:
1. All the days (Monday to Saturday) are working days
2. I just want to calculate the time in shifts, I don't specify the start date and end date. Example: 8:00 p.m. to 11:00 p.m. Result: 2 hours, because 1 hour is after 10:00 p.m.
This are two different options, so I need two separate formulas.
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May 3, 2008
This may be a bit vague but here goes.
I have to calculate the difference between the start time and end time of a job. The only catch is, how can I avoid calculating "out of hours" time. So, if a job goes from 9am to 9am the next day, I want it to avoid calculating between the hours of 23:30 and 03:30.
Another example is if a job goes from 02:00 to 04:00, I want it to avoid the tim between 02:00 and 03:00.
If there is a difference in days, so the job goes overnight, how do I take that into consideration also.
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Aug 16, 2008
I've got a time difference from 8:00AM - 12:30PM as 4.30 I'm trying to get the minutes, .30, converted into a 6 minute increment, .5. Is it possible to do this and if so how would it be done? Below is a chart of how the time is converted from 6 minutes increments into decimal form.
6 = 0.1 36 = 0.6
12 = 0.2 42 = 0.7
18 = 0.3 48 = 0.8
24 = 0.4 54 = 0.9
30 = 0.5 60 = 1.0
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Aug 11, 2006
I'm trying to devise a formula to produce "days in inventory" based on the following data:
Date In
Date Out (which may be blank if cargo still here)
Todays Date
Days in Whse (which is the formula I can't figure out!)
It needs to work like this, date out - date in, unless date out is null. If date out is null, the result should be calculated based off of todays date - date in.
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Jun 27, 2008
I've got a report that I churn out every month that calculates total spend, average daily spend, median, number of people etc and as well as that I have to calculate formulas based on the top 20% and bottom 80% of the data. The attached sheet shows the number of people under different business areas, and costs in descending order.
At the moment I do it manually so I filter for each business area and work out the top 20% of people in range and then work out the number of employees, mean, median and SUM of the top 20% and bottom 80%. Below I have 20 people and I take the top 20% which is 4 and then I work out the Total number of people, SUM and median of the top 20 and I do the same for the bottom 80.
EXAMPLE:
TOP 20%
£1,330.00
£1,070.36
£997.50
£840.00
Employees - 4
SUM - £4,237.86
Median - £1,033.93............................
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Feb 15, 2007
To start, have 1 sheet with approx 25 columns of data and i need one column to check 3 others + another sheet to complete its fields.
In column M i need to enter some prices from another worksheet (tag name 'prices') but these prices depend on whats completed in the fields in columns L, T & V.
Column L has fields completed with eg. Houses, Offices, Warehouses
Column T has some fields completed with eg. B1, D, E (these are just zonal refs)
Column V has some fields completed with numbers 1,2,3
Prices worksheet has 4 columns
A = Property (same heading and fields completed as Column L on first worksheet)
B = Standard Price (this has prices in fields that correspond to the properties in A above)
C = Cresta Price (same description as above)
D = Wind Price (same description as above)
I need column M (blank fields) to look at L (heading 'property') then add in Standard Price from B (worksheet prices) then check to see if any fields are completed in Columns T & V and if they are then it needs to addon the prices from either columns C or D from Prices worksheet.
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Dec 28, 2007
I am a little lost on this, and have tried to remedy my issue by searches to no avail. I have a cell formula that references another cell:
Cell A1 (=A3) where Cell A3 = 1
Cell A1 displays the text "=A3" and not the value of 1. Autocalc is on, and the worsheet and workbook is unprotected.
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Feb 7, 2014
the vendor has a 21 hr working window; start from 7am and goes until 4am; Mon to Fri.
Here is a scenario:
- i request for a product information from a vendor on 3-Feb-14 8:00am (Monday)
- he replies with all of the product info on 6-Feb-14 12:00pm (Thursday)
can you find the time in above scenario consideration the working window?
Here is another scenario:
- i request for a product information from a vendor on 6-Feb-14 8:00am (Thursday)
- he replies with all of the product info on 11-Feb-14 12:00pm (Tuesday)
- Sat & Sun are days off but keep in mind that my Friday shift ends on sat at 4am so the networdays formula wont work.
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Dec 10, 2013
I am having trouble with formula to calculate daily results.I can only calculate results base on daily plan.
please follow this link [URL] .....
Part A
2/12
3/12
4/12
5/12
6/12
plan
0
0
50
50
0
[Code] .....
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Mar 11, 2009
I am thinking that I must have something set up wrong some place, but have not done anything that should have changed my formulas
Its not that they are gone but just are not auto calculating.
I tried just a basic sample invoice and the figures do not calculate without manual calclation
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Sep 28, 2011
I need to calculate the amount of time my daughter will be in daycare which varies each week. I have to give the same sheet that I have hidden calculations on to the center. I have to have the time she arrives at 7:15 AM (Cell A1) however they don't start to bill until 7:45 AM (Cell A2) and continues until 11:30 AM (Cell B1) and need C1 to be total hours between A2 and B1
I need a formula that will calculate the hours between 7:45 AM to 11:30 ONLY if cell A1 has a time entered in it. If A1 is blank then it should calculate 0 hours.
Example (WITH something entered in A1)
Arrive Time End Billable Time Total Billable Time
A1 - 7:15 am to B1 - 11:30 am C1 - 3.75 Hours
Start Billable Time
A2 7:45 am
Example (WITHOUT something entered in A1)
Arrive Time End Billable Time Total Billable Time
A1 - to B1 - 11:30 am C1 - 0.00 Hours
Start Billable Time
A2 7:45 am
If it has to be in 24 hour time is there a formula that I can enter in another cell to convert 12 hour time to 24 hour time again ONLY if A1 has something entered in it?
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Apr 2, 2008
I am using =COUNTIF formulas to calculate different conditions. such as, calculating how much of one product do we have and how much is is received under 30 days. i want to combine those formulas in one cell to calculate two conditions in different columns.
1-So first i found out the date difference. I used =DATEDIF(Sheet1!C10,Sheet1!E10,"d")
2-Then I found out how many of one type do we carry, using the =COUNTIF.
=COUNTIF(Sheet1!J2:J3810,"DAZ")
3-That was easy, But now i have to sepereate them into 30 or less, 60 days or less, 90 days or less.
Then i used =COUNTIF(D2:D3810,"
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Jun 7, 2006
I would like to ask the formulas for this... for example:
$35 .. discount 10% + 25%
instead of having so many cells to calculate $40 x (100%-10%) = $36
$36 x (100% - 25%) = $27
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Sep 9, 2009
This is so hard to explain so see my example and my attachment. example: If "314A" is in column A and "4031" is in column B then return the value in column G.
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Nov 20, 2006
I have a list that I have validated as a list with a blank on top to enable data override.
I have a formula that uses the content of this cell, c7 say, to perform so vlookup function and return a result. However, when the cell c7 is blank( meaning the blank cell in the list is selected), the result is #N/A.
I am trying to have that result be a blank.
The formula is as follows, assuming c7 is the data containing cell:
=IF(OR(LEFT($C7,1)="W",VLOOKUP($C7,Table2B_1,7)>9,ISBLANK(C7))," ",VLOOKUP($C7,Table2B_1,2))
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Aug 9, 2008
I would like to sum results, all but #NA results. For example,
=Sum(I8:I10)
How do you manipulate the sum formula so it ignores the #NA 's? zip attached.
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Aug 6, 2014
I am trying to do a spreadsheet that calculates the monthly rent from 9/1/14 through 1/1/15, then rent gets reduced from 2/15/14 through 1/1/16, then after that there will be an increase of 3% per year for each year until 8/2019.
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Oct 21, 2011
I got a workbook that is linked to many external workbooks and it is very slow to calculate, so I work it with manual calculation and only calculate the sheet (SHIFT+F9) when necessary. To work with this workbook I need to be able to make faster manual calculations. I have tried many solutions and the only one that seems to work, is to work without the links to the other files (by breaking the links and turning the formulas to values). The problem with this solution is that I can't lose the formulas. I think that must be a way to calculate the sheet without calculating the cells that got a reference to the external files. Only the formulas in the current sheet.
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Feb 22, 2008
I have the same question as described in Graphs Not Updating When Source Data Updated; however, the poster did not reply to the request-for-clarification questions.
My chart does not always update when my source data changes. My Calculations setting is Automatic (not Manual). There is no macro code working to produce the source data or the chart. My chart is on the same worksheet as my source data. The source data is simple links to other cells in the same workbook that update as the underlying data is updated. Saving doesn't work. Manually calculating (F9) doesn't work. The only way I have found to get the correct data to display in the charts is to open the Source Data and re-enter the Series range. Obviously, that gets old.
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Jan 12, 2009
Here's my formula that gives me an answer of zero.
=IF(IF(L14="L",(LOOKUP(B14,data!Y1:Y14831,data!AO1:AO14831)),0),IF(L14="L+R",(LOOKUP(B14,data!Y1:Y14 831,data!AQ1:AQ14831)),0),0)
L14 is a dropdown box, selection is L or L+R
The L true result is 30 and L+R result is 60
It should be possible to combine these should it not?
I would do a screen shot but it's quite huge.
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