A Technique for Analysing Large Tables of Data

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Once you start using Excel to develop systems, budget, forecast and large tables of data you may come across the dilemma of “How do I know this is right” or “How do I truth check this”.

This post, Huis second, will add a tool to your arsenal to help you out.

The technique below allows for the rapid visual evaluation of 12 or more days/months/years of data via a chart of 2 variables and the ratio between them, utilising 2 sliders to rapidly change input variables.

DATA

Typically all businesses deal in 3 types of numbers, ie: Dates or Times, Physicals and Dollars.

Dates may include Times, Days, Weeks, Months, Years or any periods in between

Physicals directly relate to the business you are in but may include inputs and or outputs: eg: metal, tyres and cars, sugar, flour and cakes or whatever your business makes, strangely Physicals may also include Dollars, if you’re in the financial services sector. People are a Physical.

And Dollars which could be revenue, costs, cashflows or profit types of numbers.

I have found one of the best methods of looking at large tables of data is to look at a key input or output physical and then interactively scroll through the cost or income and calculate a ratio between the two.

I am going to use as an example a budget which has 40 rows of data including Physicals and Costs. But you will see that the techniques here can easily be extended to hundreds of rows. You can download this file here: Bobs Homes

The technique below allows rapid visual evaluation of 12 or more months data a chart of 2 variables and the ratio between them.

Using 2 sliders the user can rapidly move between variables and evaluate the variance over a given time frame against another variable.

The technique involves the charting of 3 ranges which in turn will be controlled by 2 sliders.

The first Range and slider will allow the selection of a Physical.

The second Range and slider will allow the selection of the Cost/Income component.

The third range will be the ratio of these, but specifically cost or income per physical.

I have attached a workbook, Bobs Homes, which contains 2 models, an example model for you to practice the following techniques on and a completed model which you can examine and pull apart to see how it works.

Bobs Homes

Load the model and scroll around and see what data is available. You will notice a time scale across the top with Physicals and Dollars down the left side. The Physicals and Dollars are grouped into common areas like inputs, outputs and costs, income and profit.

You will also note that there are 10 blank rows at the top of the worksheet. I do this so that I can perform simple calculations, charts or other workings without upsetting the data and other calculations below and for macro’s which automatically find the bottom of the data I know there is nothing below my data to upset the calculations.

Let’s jump in

SETUP

We’re going to add the following components

Headings

A2: Physical

A3: Cost/Revenue

A4: Ratio

E1: =E12

and copy across to Q1

Data

C2: 1

C3: 1

D2: =CONCATENATE(OFFSET(B$13,$C$2,0),OFFSET(C$13,$C$2,0))

D3: =CONCATENATE(OFFSET(B$22,$C$3,0),OFFSET(C$22,$C$3,0))

D4: =CONCATENATE(D3,”/”,D2)

E2: =OFFSET(E$13,$C$2,0)

E3: =OFFSET(E$22,$C$3,0)/1000

Copy E2:E4 across to Q2:Q4

Chart

Select Area D1:Q4

Insert Chart, Line Chart with or without markers to your liking

Suggestion – Place the Chart between the Data and the new Headings and formulas you have just added

Adjust the Legend to be at the Bottom of the chart

Sliders

Insert 2 Sliders

Developer Tab, Insert Scroll Bar (Form Control)

If you don’t have the Developer Tab, Have a read of: http://chandoo.org/wp/2009/05/26/excel-2007-productivity-tips/

Position the scroll bars so they are vertically next to the Chart, Use Alt whilst dragging to snap to Cell corners or edges

Link the sliders to the lookup cells

Slider 1
Current value: 1
Minimum: 1
Maximum: 7 (This is the number of Rows of Physicals data)
Incremental Change: 1
Page Change: 0
Cell Link: $C$2

Slider 2
Current value: 1
Minimum: 1
Maximum: 19  (This is the number of Rows of Cost/Revenue data)
Incremental Change: 1
Page Change: 0 (set this to maybe 10 if you have more than 30/40 rows)
Cell Link: $C$3

FINAL MODEL

You can now select a Physical by dragging the Left Scroll bar

You can now select a Revenue/Cost by dragging the Right Scroll bar

The Ratio of Cost/Revenue to the Physical is calculated and the 3 are all charted

Examine the model and see what variances in inputs/outputs can be seen.

HOW DOES THIS WORK?

The Formula in E2:Q3, are extracting the physicals and Cost/revenue data from the main body of the report by simply using an Offset function from the top of the Physicals and Cost/Revenue area.

The Distance they offset is retrieved from the control Cells C2:C3

The labels for the Physicals and Costs/Revenues are also retrieved using 2 Offsets inside a Concatenate. This is done to allow Heading Rows and Sub Headings to be displayed and joined if available from 2 separate columns.

The Chart is a simple Line Chart which is charting the 3 Data Rows (E2:Q4) against the Time Period (E1:Q1) at the top of the work area.

You can customise the chart to your content.

The 2 sliders control the control Cells C2:C3, and allow for interactive selection of Physicals and costs.

In use often you will find that one of the Physicals, Costs/Revenue or Ratio is generally much smaller in scale than the other 2 measures. Generally it is a good idea to plot the odd scale against a secondary Y axis.

Select the series line, Right Click and select Format Data Series

FUNCTIONS USED:

Offset: http://chandoo.org/wp/2008/11/19/vlookup-match-and-offset-explained-in-plain-english-spreadcheats/

Concatenate: http://chandoo.org/excel-formulas/concatenate.html

How do you truth check your data? Let us all know in the comments below:

How are you finding the content level of my posts? Let me know in the comments below:

Next Thursday – Selecting Individual Data Points in Charts and More Sliders

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27 Responses to “Sum of Values Between 2 Dates [Excel Formulas]”

  1. dexter says:

    I would apply a filter and use function subtotal, with option 9. This way you can see multiple views based on the filter.

  2. Michael Azer says:

    hey Chandoo, the solutions you proposed are very efficient, but if I wanted to be fancy I would do it this way .. the references are as your example workbook.
    =SUM(INDIRECT("C"&(MATCH(F5,B5:B95)+4)):INDIRECT("C"&(MATCH(F6,B5:B95)+4)))

  3. Luke M says:

    I like things simple:
    =SUMIF(B5:B95,">="&F5,C5:C95)-SUMIF(B5:B95,">"&F6,C5:C95)

  4. Matt S says:

    use something like: =SUM(OFFSET(B1,0,0,DATEDIF(A1,D1,"d")))
    and have D1 be the date that I want to sum to.

  5. Tom J says:

    In Excel 2003 (and earlier) I'd use an array formula to calculate either with nested if statements (as shown here) or with AND.

    {=SUM(IF(B5:B95>F5,IF(B5:B95<F6,C5:C95,0),0))}

    Note that I truly made this for BETWEEN the dates, not including the dates

  6. Andrew says:

    I turned the data set into a table named Dailies.
    I named the two limits StartDate and EndDate.

    And used an array formula:

    {=SUM((Dailies[Date]>=StartDate)*(Dailies[Date]<=EndDate)*Dailies[Sales])}

  7. Frank Linssen says:

    If I would still be using the old Excel I would do it as follows:

    SUMIF($B$5:$B$95,"<="&H6,$C$5:$C$95)-SUMIF($B$5:$B$95,"<"&H5,$C$5:$C$95)

    Works as simple as it is.

    Regards

  8. ikkeman says:

    =sum(index(c:c,match(startdate,c:c,1)+1):index(c:c,match(enddate,c:c,1))

  9. ikkeman says:

    =sum(index(c:c,match(startdate,b:b,1)+1):index(c:c,match(enddate,b:b,1))

  10. ram says:

    Great examples and thanks to Chandoo. You have simplified my work.

  11. Rony says:

    Hi! great tips I have found in your page, have you seen this
    http://runakay.blogspot.com/2011/10/searching-in-multiple-excel-tabs.html

  12. [...] I'm not sure I understand your question fully, but have a look at this: Sum of Values Between 2 Dates [Excel Formulas] | Chandoo.org - Learn Microsoft Excel Online [...]

  13. Amanda says:

    Thank you! Thank you! Thank you!

  14. abdalurhman says:

    =SUMIF(A2:A11;">="&B13;B2:B11)-SUMIF(A2:A11;"<"&A11;B2:B11)

  15. Eliza says:

    awesome... thank yoo Chandoo!

  16. dockhem says:

    which is most efficient and fast, if all are efficient ?

  17. jmassiah says:

    Thank you for this formula, I've just spent ages trying to find something to work on my data, I knew it would be possible! Don't care if others think there are easier/other ways to do it, you explained it so I understood it and could apply it to what I was doing so I'm happy!

  18. Nagaraju says:

    The above said example is awesome for calculating values between dates,

    can you pls let know how to calculate sale values if we have 10 sales boys for
    ex: 1,rama
    2,krishna
    3,ashwin
    4,naga
    5,suresh

    how much rama sale value between 1/jan/2015 to 10/jun/15
    how much krishna sale value between 10/jan/2015 to 15/july/2015
    i think you understood can you pls let me know the formula for how to calculate the sale between diffrent sale man sale value from master data file

    Thanks,
    Nagaraju

  19. Viv says:

    Hi

    I have a list of people's names in column A, I have a list of dates in column B which records the dates they have been off sick, in column C I have either 1 if it is a full sick day or 0.5 if it is a half day.

    What I would like to do is to add up the number of dates a specific person has been off within two dates.

    For example, I want to look at my list of names and to find Joe Bloggs (column A), then add up all his sick days (column C). The start date will be in cell E1 and the end date will be in F1.

    If this possible using SUMIFS?

    List of names are in range A2:A100

    List of dates in B2:B100

    List of sick days (either 0.5 or 1 in C2:C100

    The start date is in cell E2

    The end date is in cell F2

    Your help would be greatly appreciated.

    • Loknathan says:

      Yes, with the help of SUMIFS you can have the solution.
      Note: you need have an extra col. D2 where you will input Name of the person.
      =SUMIFS(C2:C100,A2:A100,D2,C2:C100,">="&E2,C2:C100,"<"&F2)

      Col. A Col. B Col. C Col.D Col. E Col. F
      Name Date Sales
      ABC 28-Jun-11 1 MNO 28-Jun-11 25-Sep-11
      XYZ 29-Jun-11 0.5
      MNO 30-Jun-11 1
      PQR 1-Jul-11 1

      • Loknathan says:

        Typo ERROR / Correction in formula:
        Yes, with the help of SUMIFS you can have the solution.
        Note: you need have an extra col. D2 where you will input Name of the person.
        =SUMIFS(C2:C100,A2:A100,D2,B2:B100,">="&E2,B2:B100,"<"&F2)

  20. Viv says:

    Hi

    I have a list of people's names in column A, I have a list of dates in column B which records the dates they have been off sick, in column C I have either 1 if it is a full sick day or 0.5 if it is a half day.

    What I would like to do is to add up the number of dates a specific person has been off within two dates.

    For example, I want to look at my list of names and to find Joe Bloggs (column A), then add up all his sick days (column C). The start date will be in cell E1 and the end date will be in F1.

    If this possible using SUMIFS?

    List of names are in range A2:A100

    List of dates in B2:B100

    List of sick days (either 0.5 or 1 in C2:C100

    The start date is in cell E2

    The end date is in cell F2

    Your help would be greatly appreciated.

    Viv

  21. AC says:

    Thanks for this - it solved the problem that I was having. However can someone please explain to me why the "" needs to be around >= and <= as well as why we need to add & in order for the formula to work? Thanks in advance!

  22. Ufoo says:

    This formula works perfectly as well. Any ideas?: =SUM(INDEX(C5:C95,MATCH(H5,B5:B95,1)):INDEX(C5:C95,MATCH(H6,B5:B95,1)))

  23. Ufoo says:

    ikkeman had posted the same thing.

  24. murray says:

    I am trying to sum total a range of cells between date ranges ie column n has $ amounts column d has the transaction dates ie 1/3/2015 or 25/3/2015 or 25/4/2015 column b has the text saying drp or distribution - reinv

    In another cell I am trying to sum or total (in column n) with the value of a range of different dates (column d) that contain different text (column b) ie cell n48 is 50, n65 is 85, n165 is 36

    with the dates ie cell d48 is 1/3/2015, d65 is 25/3/2015 and d165 is 25/4/2015

    with different text that says drp or distribution - reinv ie cell b48 is drp, b65 is distribution - reinv, b165 is drp

    If I wanted to sum the amounts between 1/3/2015 to 31/3/2015 with drp then the total would be 50. Also if I wanted to sum the amounts between 1/4/2015 to 30/4/2015 with drp the sum total would be 36 If I wanted to sum the amounts between 1/3/2015 to 31/3/2015 with drp and distribution - reinv the sum would be 115

    What would the formula be for these different questions

    hope you can help, it has been driving me nuts and cant work it out

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