KPIs in Easy Profit and Loss for PowerBI

Welcome to the last part of my Easy Profit & Loss series where I will cover KPIs in rows & columns:

1) KPIs in columns

Show all your figures as a percent of turnover for example: Nice & easy: Divide current figure by the total sum of turnover:

Turnover% =
ABS (
    DIVIDE (
[ActSign],
        CALCULATE (
[ActSign],
            FILTER (
                ALL ( IndividualAccountsLayout ),
IndividualAccountsLayout[Description in Report] = “Income”
            )
        )
    )
)
DAX Formatter by SQLBI

We need to leave the current row context to retrieve the turnover-value in each row, therefore the ALL.

2) KPIs in rows

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Guide for switching Signs in Power BI and Power Pivot (bypassing Unary Operators in DAX)

In finance & accounting, you very rarely report the figures with the signs of their source systems, but switch (certain) signs according to different needs. Instead of using unary operators for it, I’ll present an easy and dynamic way for it in Power BI and Power Pivot using DAX. It will cover the following 3 main scenarios:

  • 1_SwitchAll: All signs are switched (red)
  • 2_SwitchExpLiab: Expenses and liabilities are switched back to their original values (green)
  • 3_BWT_Indiv: Only the main figure for expenses (or liabilities) carries a minus, all following positions specifying the expenses are (principally) reported as positives (blue)

 

Switching signs in Power BI and Power Pivot without unary operators

I’m using the sample data from this article but changed the source-data to a double-bookkeeping structure. There signs are used and the transaction entries in your ledger table always add up to zero. This is a method that prevents errors when posting and can also be used to prevent errors in reporting. If you keep the signs in your reporting system, all you have to do is add up the relevant figures and the returned (absolute) figures will always be correct. If you have read my previous articles on Easy P&L, you have seen this method in action: No minus-operation there, just a simple stupid adding of all accounts who fall into several (sub-) total categories via the bridge-table.

The Account-table also contains of (sub-) totals and the column “AccountType” shows if the positions are regarded as Turnover (Revenue) or Expenses:

Table “Accounts”

1_SwitchAll

My values on “1_SwitchAll” corresponds to “FinalValue” in the article above. The revenues come from consultancy and coursed provided. But the revenue for courses don’t just consist of attendee rates, but the costs for catering and paid instructors shall be deducted (highlighted in yellow). So the “good” numbers that contribute to cash in your pocket shall be reported without a sign and the “bad” numbers that result in an outflow of cash shall be reported with a minus. Within the expenses category, the costs carry a minus and the travel refunds (highlighted in orange), which are cash positive, are reported as positives.

2_SwitchExpensesLiabilities

Another requirement that is often used for balance-sheet-reporting or reports that only report on cost-situations, require that the costs or liabilities are reported without signs. … Principally, because the reimbursements/cost deductions shall be reported with an opposite sign (to show the adverse effect to the cashflow). This is what “2_SwitchExpLiab” shows (not covered in the article).

3_BWT (“BossWantsThat”)

Last but not least comes a typical “BossWantsThat”-requirement: Basically some strange stuff that you just have to deliver. Here the main categories “Revenues” and “Expenses” shall be shown with the signs that reflect the cash-direction, but all specifications that follow below shall be reported without signs (again: Principally, because positions with opposite cash-effects than the main category shall carry inverted signs).

Reporting techniques covered with this approach

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Dynamically flatten Parent-Child Hierarchies in DAX and PowerBI

If you use DAX to flatten Parent-Child hierarchies you will end up with a table that has a static number of columns (like described here). If you need a dynamic solution instead, which creates just as many level-columns as there are needed for the current data, you can use DAX’s helper-tool Power Query (or Get Data in Excel) or the query-editor in PowerBI, which uses the language M.

Another advantage of this solution is that you can script the table creation in one step (only flaw: You still need to manually adjust your hierarchy though): But it saves time in creating the table, especially if you have many levels.

2 simple steps

  1. copy the following function,
  2. add a new step to your current table where you call this function, filling in the following parameters:
    • table name (which is the name of the previous step in your M-query)
    • name of the column with the child-key
    • name of the column with the parent-key
    • name of the column who’s values shall be shown in the levels (can also be child-key)

 

Call fnFlattenPCHierarchyFunction

 

And this is the code, which you can also download below:

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Dynamic duration calculation using DAX in Power BI and Power Pivot

While it is fairly easy to calculate the difference between 2 dates in DAX using DATEDIFF, it is a bit more demanding if you want to exclude weekends and holidays or filter the duration on certain date-intervals, so only get a part of it. Also if you want to return on date-time-level instead of only counting net-workdays.This is where this new technique for dynamic duration calculation can come in handy.

We can use the basic technique that I’ve described here and modify it by adding 2 columns to the calculated table:

  1. Duration per day on a Date-Time-level
  2. Marker-column if weekday or not (this assumes that you have a column in your date-table which indicates if the day shall be considered as weekday or not)

1_duration_calculation

The duration-calculation needs to handle the cases where only parts of the day are to be counted: If the event starts and ends at the same day, the difference between those figures has to be taken. If on the other hand, the event spans multiple days, for the start-day the time until the end of the day has to be calculated while for the end-days the time from the beginning of the day is the right one. The other days count as full days with 1. Hence these 4 cases.

Let’s have a final look at our simple measures:

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Analyzing events with a duration in DAX – further simplification

Alberto Ferrari has recently published a very smart concept how to analyze events with a duration in DAX, which you should read here, if you haven’t done yet. It simplifies the necessary DAX-syntax and speeds up the calculations as well. My following approach simplifies the DAX-syntax even more, but it comes with a (very tiny) premium for performance and will also increase the file size a bit. So you have the choice 🙂

I’m transforming the calculated table into a “real” fact-table which enables me to use simple 1:n-relations to the other (now) dimension-tables:

T1datamodel

The formula starts from Alberto’s first version, but uses the Date instead of the DateKey (yellow). Then there will be some columns added which we need for following calculations (green). Then you see that the DailyProductionValue is calculated at a different place and also has a much simpler syntax. At last there are some other columns for further calculations: “Shipped” and “Ordered” will create the bridge for the “missing” connections to the date-table:

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Easy Profit and Loss and other (account) scheme reports in Power BI and Power Pivot using DAX

This is about an easy way to create typical finance reports like Profit and Loss using DAX that (unlike all other solutions I’ve come across so far) can be handled with very basic knowledge of this language like this:

Image1

The trick

The trick that makes my solution so easy lies in the fact that it requires no aggregation functions of the output-mediums like:

  • pivot-tables: who struggle with asymetric logic and are not available in Power BI so far
  • cubefunctions: who are not available in PowerBI so far

So we have to build the details as well as all aggregations into the solution as it is and don’t rely on/use any aggregation functions (This means for Excel: We have to turn off subtotals as well as totals in our pivot tables. It means for Power BI: Hurray! Finally a solution where the lack of pivot-tables doesn’t matter).

How to

The aim is to create a table/matrix with (account) details and aggregations into the rows and different slices of time-Intervalls or comparisons into the column sections. As for the columns, this will be covered by measures like [Actuals], [Budget], [PreviousPeriods], [Differences in all shapes…]. And – as the values in the columns should be the same – I’d prefer to use only one measure per column – that is fully sliceable and works on all (sub-) totals of course. … Ok – so some dreams later I found it:

MyMagicMeasure := CALCULATE([StandardMeasure], AccountsAllocation)

So you just wrap simple measures like Act=SUM(Fact[Amount]), Plan=SUM(Plan[Amount]), DiffPlan_Act=[Plan]-[Act] … into the CALCULATE together with the bridge-table as the filter-argument:

This is the many2many-technique in it’s simplest form (PostFromMarcoRusso). It all goes via simple aggregation on all accounts found in the filter context:

Image4

Our  bridge-table “AccountsAllocation” consists of one account number per simple account and has multiple rows for the (sub-)totals – being all accounts that belong to them:

Image5

The ConsKey stands for the row in our report (1) and the AccountKey_ holds the account numbers that are going to be aggregated (many (for the sub-totals) and 1 for the account-rows). So all we need is this unique and simple aggregation on AccountKey for every row in the report – with a filter from the Reports-table via our bridge table to the DimAccounts, who then filters our FactTables: 1 -> many -> 1 -> many.

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Visualize dependencies between your DAX measures: DAX-VizArt-Wizard

This DAX-VizArt-Wizard vizualizes dependencies between your DAX measures, shows the definition of all related measures and shows differences between the measures of 2 models/versions. This works for Power Pivot, Power BI and for Analysis Services Tabular (SSAS).

In the Power BI-Version you’ll see them in the Sankey-chart like this:

VizArt1

If select measures/nodes, all direct connections will be highlighted:

VizArt2Direct

In the second version, all indirect connections will be highlighted as well & the selected measure definitions will be shown.

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